diff --git linux-libre-4.19.193-gnu/Makefile linux-libre-4.19.194-gnu/Makefile
index 2699894fa236..48027452f3f7 100644
--- linux-libre-4.19.193-gnu/Makefile
+++ linux-libre-4.19.194-gnu/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 193
+SUBLEVEL = 194
 EXTRAVERSION = -gnu
 NAME = "People's Front"
 
diff --git linux-libre-4.19.193-gnu/arch/arm64/kvm/sys_regs.c linux-libre-4.19.194-gnu/arch/arm64/kvm/sys_regs.c
index fe97b2ad82b9..98e8bc919583 100644
--- linux-libre-4.19.193-gnu/arch/arm64/kvm/sys_regs.c
+++ linux-libre-4.19.194-gnu/arch/arm64/kvm/sys_regs.c
@@ -426,14 +426,14 @@ static bool trap_bvr(struct kvm_vcpu *vcpu,
 		     struct sys_reg_params *p,
 		     const struct sys_reg_desc *rd)
 {
-	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
+	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
 
 	if (p->is_write)
 		reg_to_dbg(vcpu, p, dbg_reg);
 	else
 		dbg_to_reg(vcpu, p, dbg_reg);
 
-	trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
+	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
 	return true;
 }
@@ -441,7 +441,7 @@ static bool trap_bvr(struct kvm_vcpu *vcpu,
 static int set_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
 
 	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -451,7 +451,7 @@ static int set_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static int get_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 	const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
 
 	if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -461,21 +461,21 @@ static int get_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static void reset_bvr(struct kvm_vcpu *vcpu,
 		      const struct sys_reg_desc *rd)
 {
-	vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg] = rd->val;
+	vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm] = rd->val;
 }
 
 static bool trap_bcr(struct kvm_vcpu *vcpu,
 		     struct sys_reg_params *p,
 		     const struct sys_reg_desc *rd)
 {
-	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
+	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
 
 	if (p->is_write)
 		reg_to_dbg(vcpu, p, dbg_reg);
 	else
 		dbg_to_reg(vcpu, p, dbg_reg);
 
-	trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
+	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
 	return true;
 }
@@ -483,7 +483,7 @@ static bool trap_bcr(struct kvm_vcpu *vcpu,
 static int set_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
 
 	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -494,7 +494,7 @@ static int set_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static int get_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 	const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
 
 	if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -504,22 +504,22 @@ static int get_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static void reset_bcr(struct kvm_vcpu *vcpu,
 		      const struct sys_reg_desc *rd)
 {
-	vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg] = rd->val;
+	vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm] = rd->val;
 }
 
 static bool trap_wvr(struct kvm_vcpu *vcpu,
 		     struct sys_reg_params *p,
 		     const struct sys_reg_desc *rd)
 {
-	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
+	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
 
 	if (p->is_write)
 		reg_to_dbg(vcpu, p, dbg_reg);
 	else
 		dbg_to_reg(vcpu, p, dbg_reg);
 
-	trace_trap_reg(__func__, rd->reg, p->is_write,
-		vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg]);
+	trace_trap_reg(__func__, rd->CRm, p->is_write,
+		vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm]);
 
 	return true;
 }
@@ -527,7 +527,7 @@ static bool trap_wvr(struct kvm_vcpu *vcpu,
 static int set_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
 
 	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -537,7 +537,7 @@ static int set_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static int get_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 	const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
 
 	if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -547,21 +547,21 @@ static int get_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static void reset_wvr(struct kvm_vcpu *vcpu,
 		      const struct sys_reg_desc *rd)
 {
-	vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg] = rd->val;
+	vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm] = rd->val;
 }
 
 static bool trap_wcr(struct kvm_vcpu *vcpu,
 		     struct sys_reg_params *p,
 		     const struct sys_reg_desc *rd)
 {
-	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
+	u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
 
 	if (p->is_write)
 		reg_to_dbg(vcpu, p, dbg_reg);
 	else
 		dbg_to_reg(vcpu, p, dbg_reg);
 
-	trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
+	trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
 
 	return true;
 }
@@ -569,7 +569,7 @@ static bool trap_wcr(struct kvm_vcpu *vcpu,
 static int set_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 		const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
 
 	if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -579,7 +579,7 @@ static int set_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static int get_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 	const struct kvm_one_reg *reg, void __user *uaddr)
 {
-	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
+	__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
 
 	if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
 		return -EFAULT;
@@ -589,7 +589,7 @@ static int get_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
 static void reset_wcr(struct kvm_vcpu *vcpu,
 		      const struct sys_reg_desc *rd)
 {
-	vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg] = rd->val;
+	vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm] = rd->val;
 }
 
 static void reset_amair_el1(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)
diff --git linux-libre-4.19.193-gnu/arch/x86/include/asm/apic.h linux-libre-4.19.194-gnu/arch/x86/include/asm/apic.h
index b5354e216b07..163c2af44a44 100644
--- linux-libre-4.19.193-gnu/arch/x86/include/asm/apic.h
+++ linux-libre-4.19.194-gnu/arch/x86/include/asm/apic.h
@@ -172,6 +172,7 @@ static inline int apic_is_clustered_box(void)
 extern int setup_APIC_eilvt(u8 lvt_off, u8 vector, u8 msg_type, u8 mask);
 extern void lapic_assign_system_vectors(void);
 extern void lapic_assign_legacy_vector(unsigned int isairq, bool replace);
+extern void lapic_update_legacy_vectors(void);
 extern void lapic_online(void);
 extern void lapic_offline(void);
 
diff --git linux-libre-4.19.193-gnu/arch/x86/kernel/apic/apic.c linux-libre-4.19.194-gnu/arch/x86/kernel/apic/apic.c
index 256b68c0f393..c3d0cfc716da 100644
--- linux-libre-4.19.193-gnu/arch/x86/kernel/apic/apic.c
+++ linux-libre-4.19.194-gnu/arch/x86/kernel/apic/apic.c
@@ -2507,6 +2507,7 @@ void __init apic_bsp_setup(bool upmode)
 	end_local_APIC_setup();
 	irq_remap_enable_fault_handling();
 	setup_IO_APIC();
+	lapic_update_legacy_vectors();
 }
 
 #ifdef CONFIG_UP_LATE_INIT
diff --git linux-libre-4.19.193-gnu/arch/x86/kernel/apic/vector.c linux-libre-4.19.194-gnu/arch/x86/kernel/apic/vector.c
index f0d0535e8f34..dc7c759442f1 100644
--- linux-libre-4.19.193-gnu/arch/x86/kernel/apic/vector.c
+++ linux-libre-4.19.194-gnu/arch/x86/kernel/apic/vector.c
@@ -682,6 +682,26 @@ void lapic_assign_legacy_vector(unsigned int irq, bool replace)
 	irq_matrix_assign_system(vector_matrix, ISA_IRQ_VECTOR(irq), replace);
 }
 
+void __init lapic_update_legacy_vectors(void)
+{
+	unsigned int i;
+
+	if (IS_ENABLED(CONFIG_X86_IO_APIC) && nr_ioapics > 0)
+		return;
+
+	/*
+	 * If the IO/APIC is disabled via config, kernel command line or
+	 * lack of enumeration then all legacy interrupts are routed
+	 * through the PIC. Make sure that they are marked as legacy
+	 * vectors. PIC_CASCADE_IRQ has already been marked in
+	 * lapic_assign_system_vectors().
+	 */
+	for (i = 0; i < nr_legacy_irqs(); i++) {
+		if (i != PIC_CASCADE_IR)
+			lapic_assign_legacy_vector(i, true);
+	}
+}
+
 void __init lapic_assign_system_vectors(void)
 {
 	unsigned int i, vector = 0;
diff --git linux-libre-4.19.193-gnu/arch/x86/kvm/svm.c linux-libre-4.19.194-gnu/arch/x86/kvm/svm.c
index 8cb9277aa6ff..ad24e6777277 100644
--- linux-libre-4.19.193-gnu/arch/x86/kvm/svm.c
+++ linux-libre-4.19.194-gnu/arch/x86/kvm/svm.c
@@ -4033,7 +4033,7 @@ static int cr_interception(struct vcpu_svm *svm)
 	err = 0;
 	if (cr >= 16) { /* mov to cr */
 		cr -= 16;
-		val = kvm_register_read(&svm->vcpu, reg);
+		val = kvm_register_readl(&svm->vcpu, reg);
 		switch (cr) {
 		case 0:
 			if (!check_selective_cr0_intercepted(svm, val))
@@ -4078,7 +4078,7 @@ static int cr_interception(struct vcpu_svm *svm)
 			kvm_queue_exception(&svm->vcpu, UD_VECTOR);
 			return 1;
 		}
-		kvm_register_write(&svm->vcpu, reg, val);
+		kvm_register_writel(&svm->vcpu, reg, val);
 	}
 	return kvm_complete_insn_gp(&svm->vcpu, err);
 }
@@ -4108,13 +4108,13 @@ static int dr_interception(struct vcpu_svm *svm)
 	if (dr >= 16) { /* mov to DRn */
 		if (!kvm_require_dr(&svm->vcpu, dr - 16))
 			return 1;
-		val = kvm_register_read(&svm->vcpu, reg);
+		val = kvm_register_readl(&svm->vcpu, reg);
 		kvm_set_dr(&svm->vcpu, dr - 16, val);
 	} else {
 		if (!kvm_require_dr(&svm->vcpu, dr))
 			return 1;
 		kvm_get_dr(&svm->vcpu, dr, &val);
-		kvm_register_write(&svm->vcpu, reg, val);
+		kvm_register_writel(&svm->vcpu, reg, val);
 	}
 
 	return kvm_skip_emulated_instruction(&svm->vcpu);
diff --git linux-libre-4.19.193-gnu/drivers/acpi/bus.c linux-libre-4.19.194-gnu/drivers/acpi/bus.c
index 92a146861086..d60e57d14c85 100644
--- linux-libre-4.19.193-gnu/drivers/acpi/bus.c
+++ linux-libre-4.19.194-gnu/drivers/acpi/bus.c
@@ -1054,16 +1054,6 @@ void __init acpi_early_init(void)
 		goto error0;
 	}
 
-	if (!acpi_gbl_execute_tables_as_methods &&
-	    acpi_gbl_group_module_level_code) {
-		status = acpi_load_tables();
-		if (ACPI_FAILURE(status)) {
-			printk(KERN_ERR PREFIX
-			       "Unable to load the System Description Tables\n");
-			goto error0;
-		}
-	}
-
 #ifdef CONFIG_X86
 	if (!acpi_ioapic) {
 		/* compatible (0) means level (3) */
@@ -1133,26 +1123,24 @@ static int __init acpi_bus_init(void)
 
 	acpi_os_initialize1();
 
+	status = acpi_load_tables();
+	if (ACPI_FAILURE(status)) {
+		printk(KERN_ERR PREFIX
+		       "Unable to load the System Description Tables\n");
+		goto error1;
+	}
+
 	/*
-	 * ACPI 2.0 requires the EC driver to be loaded and work before
-	 * the EC device is found in the namespace (i.e. before
-	 * acpi_load_tables() is called).
+	 * ACPI 2.0 requires the EC driver to be loaded and work before the EC
+	 * device is found in the namespace.
+	 *
+	 * This is accomplished by looking for the ECDT table and getting the EC
+	 * parameters out of that.
 	 *
-	 * This is accomplished by looking for the ECDT table, and getting
-	 * the EC parameters out of that.
+	 * Do that before calling acpi_initialize_objects() which may trigger EC
+	 * address space accesses.
 	 */
-	status = acpi_ec_ecdt_probe();
-	/* Ignore result. Not having an ECDT is not fatal. */
-
-	if (acpi_gbl_execute_tables_as_methods ||
-	    !acpi_gbl_group_module_level_code) {
-		status = acpi_load_tables();
-		if (ACPI_FAILURE(status)) {
-			printk(KERN_ERR PREFIX
-			       "Unable to load the System Description Tables\n");
-			goto error1;
-		}
-	}
+	acpi_ec_ecdt_probe();
 
 	status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE);
 	if (ACPI_FAILURE(status)) {
diff --git linux-libre-4.19.193-gnu/drivers/firmware/efi/cper.c linux-libre-4.19.194-gnu/drivers/firmware/efi/cper.c
index 116989cf3d45..97da083afd32 100644
--- linux-libre-4.19.193-gnu/drivers/firmware/efi/cper.c
+++ linux-libre-4.19.194-gnu/drivers/firmware/efi/cper.c
@@ -275,8 +275,7 @@ static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg)
 	if (!msg || !(mem->validation_bits & CPER_MEM_VALID_MODULE_HANDLE))
 		return 0;
 
-	n = 0;
-	len = CPER_REC_LEN - 1;
+	len = CPER_REC_LEN;
 	dmi_memdev_name(mem->mem_dev_handle, &bank, &device);
 	if (bank && device)
 		n = snprintf(msg, len, "DIMM location: %s %s ", bank, device);
@@ -285,7 +284,6 @@ static int cper_dimm_err_location(struct cper_mem_err_compact *mem, char *msg)
 			     "DIMM location: not present. DMI handle: 0x%.4x ",
 			     mem->mem_dev_handle);
 
-	msg[n] = '\0';
 	return n;
 }
 
diff --git linux-libre-4.19.193-gnu/drivers/firmware/efi/memattr.c linux-libre-4.19.194-gnu/drivers/firmware/efi/memattr.c
index aac972b056d9..e0889922cc6d 100644
--- linux-libre-4.19.193-gnu/drivers/firmware/efi/memattr.c
+++ linux-libre-4.19.194-gnu/drivers/firmware/efi/memattr.c
@@ -69,11 +69,6 @@ static bool entry_is_valid(const efi_memory_desc_t *in, efi_memory_desc_t *out)
 		return false;
 	}
 
-	if (!(in->attribute & (EFI_MEMORY_RO | EFI_MEMORY_XP))) {
-		pr_warn("Entry attributes invalid: RO and XP bits both cleared\n");
-		return false;
-	}
-
 	if (PAGE_SIZE > EFI_PAGE_SIZE &&
 	    (!PAGE_ALIGNED(in->phys_addr) ||
 	     !PAGE_ALIGNED(in->num_pages << EFI_PAGE_SHIFT))) {
diff --git linux-libre-4.19.193-gnu/drivers/hid/hid-multitouch.c linux-libre-4.19.194-gnu/drivers/hid/hid-multitouch.c
index ccda72f748ee..c20945ed1dc1 100644
--- linux-libre-4.19.193-gnu/drivers/hid/hid-multitouch.c
+++ linux-libre-4.19.194-gnu/drivers/hid/hid-multitouch.c
@@ -588,9 +588,13 @@ static struct mt_report_data *mt_allocate_report_data(struct mt_device *td,
 		if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
 			continue;
 
-		for (n = 0; n < field->report_count; n++) {
-			if (field->usage[n].hid == HID_DG_CONTACTID)
-				rdata->is_mt_collection = true;
+		if (field->logical == HID_DG_FINGER || td->hdev->group != HID_GROUP_MULTITOUCH_WIN_8) {
+			for (n = 0; n < field->report_count; n++) {
+				if (field->usage[n].hid == HID_DG_CONTACTID) {
+					rdata->is_mt_collection = true;
+					break;
+				}
+			}
 		}
 	}
 
diff --git linux-libre-4.19.193-gnu/drivers/hid/i2c-hid/i2c-hid-core.c linux-libre-4.19.194-gnu/drivers/hid/i2c-hid/i2c-hid-core.c
index 1f8d403d3db4..19f4b807a5d1 100644
--- linux-libre-4.19.193-gnu/drivers/hid/i2c-hid/i2c-hid-core.c
+++ linux-libre-4.19.194-gnu/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -1160,8 +1160,8 @@ static int i2c_hid_probe(struct i2c_client *client,
 	hid->vendor = le16_to_cpu(ihid->hdesc.wVendorID);
 	hid->product = le16_to_cpu(ihid->hdesc.wProductID);
 
-	snprintf(hid->name, sizeof(hid->name), "%s %04hX:%04hX",
-		 client->name, hid->vendor, hid->product);
+	snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X",
+		 client->name, (u16)hid->vendor, (u16)hid->product);
 	strlcpy(hid->phys, dev_name(&client->dev), sizeof(hid->phys));
 
 	ihid->quirks = i2c_hid_lookup_quirk(hid->vendor, hid->product);
diff --git linux-libre-4.19.193-gnu/drivers/hid/usbhid/hid-pidff.c linux-libre-4.19.194-gnu/drivers/hid/usbhid/hid-pidff.c
index 08174d341f4a..bc75f1efa0f4 100644
--- linux-libre-4.19.193-gnu/drivers/hid/usbhid/hid-pidff.c
+++ linux-libre-4.19.194-gnu/drivers/hid/usbhid/hid-pidff.c
@@ -1304,6 +1304,7 @@ int hid_pidff_init(struct hid_device *hid)
 
 	if (pidff->pool[PID_DEVICE_MANAGED_POOL].value &&
 	    pidff->pool[PID_DEVICE_MANAGED_POOL].value[0] == 0) {
+		error = -EPERM;
 		hid_notice(hid,
 			   "device does not support device managed pool\n");
 		goto fail;
diff --git linux-libre-4.19.193-gnu/drivers/net/ethernet/broadcom/bnxt/bnxt.c linux-libre-4.19.194-gnu/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 6033970fb667..ebcf4ea66385 100644
--- linux-libre-4.19.193-gnu/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ linux-libre-4.19.194-gnu/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -5252,7 +5252,6 @@ static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
 
 		pf->fw_fid = le16_to_cpu(resp->fid);
 		pf->port_id = le16_to_cpu(resp->port_id);
-		bp->dev->dev_port = pf->port_id;
 		memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN);
 		pf->first_vf_id = le16_to_cpu(resp->first_vf_id);
 		pf->max_vfs = le16_to_cpu(resp->max_vfs);
diff --git linux-libre-4.19.193-gnu/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c linux-libre-4.19.194-gnu/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index a10756f0b0d8..7f94b445595c 100644
--- linux-libre-4.19.193-gnu/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ linux-libre-4.19.194-gnu/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1071,11 +1071,14 @@ static struct sk_buff *ixgbevf_run_xdp(struct ixgbevf_adapter *adapter,
 	case XDP_TX:
 		xdp_ring = adapter->xdp_ring[rx_ring->queue_index];
 		result = ixgbevf_xmit_xdp_ring(xdp_ring, xdp);
+		if (result == IXGBEVF_XDP_CONSUMED)
+			goto out_failure;
 		break;
 	default:
 		bpf_warn_invalid_xdp_action(act);
 		/* fallthrough */
 	case XDP_ABORTED:
+out_failure:
 		trace_xdp_exception(rx_ring->netdev, xdp_prog, act);
 		/* fallthrough -- handle aborts by dropping packet */
 	case XDP_DROP:
diff --git linux-libre-4.19.193-gnu/drivers/net/usb/cdc_ncm.c linux-libre-4.19.194-gnu/drivers/net/usb/cdc_ncm.c
index faca70c3647d..82ec00a7370d 100644
--- linux-libre-4.19.193-gnu/drivers/net/usb/cdc_ncm.c
+++ linux-libre-4.19.194-gnu/drivers/net/usb/cdc_ncm.c
@@ -1590,6 +1590,15 @@ cdc_ncm_speed_change(struct usbnet *dev,
 	uint32_t rx_speed = le32_to_cpu(data->DLBitRRate);
 	uint32_t tx_speed = le32_to_cpu(data->ULBitRate);
 
+	/* if the speed hasn't changed, don't report it.
+	 * RTL8156 shipped before 2021 sends notification about every 32ms.
+	 */
+	if (dev->rx_speed == rx_speed && dev->tx_speed == tx_speed)
+		return;
+
+	dev->rx_speed = rx_speed;
+	dev->tx_speed = tx_speed;
+
 	/*
 	 * Currently the USB-NET API does not support reporting the actual
 	 * device speed. Do print it instead.
@@ -1633,7 +1642,8 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb)
 		 * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
 		 * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
 		 */
-		usbnet_link_change(dev, !!event->wValue, 0);
+		if (netif_carrier_ok(dev->net) != !!event->wValue)
+			usbnet_link_change(dev, !!event->wValue, 0);
 		break;
 
 	case USB_CDC_NOTIFY_SPEED_CHANGE:
diff --git linux-libre-4.19.193-gnu/drivers/usb/dwc2/core_intr.c linux-libre-4.19.194-gnu/drivers/usb/dwc2/core_intr.c
index af26a8a20e0b..5919ecb7d4b7 100644
--- linux-libre-4.19.193-gnu/drivers/usb/dwc2/core_intr.c
+++ linux-libre-4.19.194-gnu/drivers/usb/dwc2/core_intr.c
@@ -700,7 +700,11 @@ static inline void dwc_handle_gpwrdn_disc_det(struct dwc2_hsotg *hsotg,
 	dwc2_writel(hsotg, gpwrdn_tmp, GPWRDN);
 
 	hsotg->hibernated = 0;
+
+#if IS_ENABLED(CONFIG_USB_DWC2_HOST) ||	\
+	IS_ENABLED(CONFIG_USB_DWC2_DUAL_ROLE)
 	hsotg->bus_suspended = 0;
+#endif
 
 	if (gpwrdn & GPWRDN_IDSTS) {
 		hsotg->op_state = OTG_STATE_B_PERIPHERAL;
diff --git linux-libre-4.19.193-gnu/drivers/vfio/pci/Kconfig linux-libre-4.19.194-gnu/drivers/vfio/pci/Kconfig
index 42dc1d3d71cf..fcbfd0aacebc 100644
--- linux-libre-4.19.193-gnu/drivers/vfio/pci/Kconfig
+++ linux-libre-4.19.194-gnu/drivers/vfio/pci/Kconfig
@@ -1,6 +1,7 @@
 config VFIO_PCI
 	tristate "VFIO support for PCI devices"
 	depends on VFIO && PCI && EVENTFD
+	depends on MMU
 	select VFIO_VIRQFD
 	select IRQ_BYPASS_MANAGER
 	help
diff --git linux-libre-4.19.193-gnu/drivers/vfio/pci/vfio_pci_config.c linux-libre-4.19.194-gnu/drivers/vfio/pci/vfio_pci_config.c
index a1a26465d224..86e917f1cc21 100644
--- linux-libre-4.19.193-gnu/drivers/vfio/pci/vfio_pci_config.c
+++ linux-libre-4.19.194-gnu/drivers/vfio/pci/vfio_pci_config.c
@@ -1579,7 +1579,7 @@ static int vfio_ecap_init(struct vfio_pci_device *vdev)
 			if (len == 0xFF) {
 				len = vfio_ext_cap_len(vdev, ecap, epos);
 				if (len < 0)
-					return ret;
+					return len;
 			}
 		}
 
diff --git linux-libre-4.19.193-gnu/drivers/vfio/platform/vfio_platform_common.c linux-libre-4.19.194-gnu/drivers/vfio/platform/vfio_platform_common.c
index 460760d0becf..c29fc6844f84 100644
--- linux-libre-4.19.193-gnu/drivers/vfio/platform/vfio_platform_common.c
+++ linux-libre-4.19.194-gnu/drivers/vfio/platform/vfio_platform_common.c
@@ -295,7 +295,7 @@ err_irq:
 	vfio_platform_regions_cleanup(vdev);
 err_reg:
 	mutex_unlock(&driver_lock);
-	module_put(THIS_MODULE);
+	module_put(vdev->parent_module);
 	return ret;
 }
 
diff --git linux-libre-4.19.193-gnu/drivers/xen/xen-pciback/vpci.c linux-libre-4.19.194-gnu/drivers/xen/xen-pciback/vpci.c
index f6ba18191c0f..30313084f06c 100644
--- linux-libre-4.19.193-gnu/drivers/xen/xen-pciback/vpci.c
+++ linux-libre-4.19.194-gnu/drivers/xen/xen-pciback/vpci.c
@@ -69,7 +69,7 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 				   struct pci_dev *dev, int devid,
 				   publish_pci_dev_cb publish_cb)
 {
-	int err = 0, slot, func = -1;
+	int err = 0, slot, func = PCI_FUNC(dev->devfn);
 	struct pci_dev_entry *t, *dev_entry;
 	struct vpci_dev_data *vpci_dev = pdev->pci_dev_data;
 
@@ -94,23 +94,26 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 
 	/*
 	 * Keep multi-function devices together on the virtual PCI bus, except
-	 * virtual functions.
+	 * that we want to keep virtual functions at func 0 on their own. They
+	 * aren't multi-function devices and hence their presence at func 0
+	 * may cause guests to not scan the other functions.
 	 */
-	if (!dev->is_virtfn) {
+	if (!dev->is_virtfn || func) {
 		for (slot = 0; slot < PCI_SLOT_MAX; slot++) {
 			if (list_empty(&vpci_dev->dev_list[slot]))
 				continue;
 
 			t = list_entry(list_first(&vpci_dev->dev_list[slot]),
 				       struct pci_dev_entry, list);
+			if (t->dev->is_virtfn && !PCI_FUNC(t->dev->devfn))
+				continue;
 
 			if (match_slot(dev, t->dev)) {
 				pr_info("vpci: %s: assign to virtual slot %d func %d\n",
 					pci_name(dev), slot,
-					PCI_FUNC(dev->devfn));
+					func);
 				list_add_tail(&dev_entry->list,
 					      &vpci_dev->dev_list[slot]);
-				func = PCI_FUNC(dev->devfn);
 				goto unlock;
 			}
 		}
@@ -123,7 +126,6 @@ static int __xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev,
 				pci_name(dev), slot);
 			list_add_tail(&dev_entry->list,
 				      &vpci_dev->dev_list[slot]);
-			func = dev->is_virtfn ? 0 : PCI_FUNC(dev->devfn);
 			goto unlock;
 		}
 	}
diff --git linux-libre-4.19.193-gnu/fs/btrfs/extent-tree.c linux-libre-4.19.194-gnu/fs/btrfs/extent-tree.c
index ce5e0f6c6af4..bf46ed74eae6 100644
--- linux-libre-4.19.193-gnu/fs/btrfs/extent-tree.c
+++ linux-libre-4.19.194-gnu/fs/btrfs/extent-tree.c
@@ -1984,16 +1984,20 @@ int btrfs_discard_extent(struct btrfs_fs_info *fs_info, u64 bytenr,
 		for (i = 0; i < bbio->num_stripes; i++, stripe++) {
 			u64 bytes;
 			struct request_queue *req_q;
+			struct btrfs_device *device = stripe->dev;
 
-			if (!stripe->dev->bdev) {
+			if (!device->bdev) {
 				ASSERT(btrfs_test_opt(fs_info, DEGRADED));
 				continue;
 			}
-			req_q = bdev_get_queue(stripe->dev->bdev);
+			req_q = bdev_get_queue(device->bdev);
 			if (!blk_queue_discard(req_q))
 				continue;
 
-			ret = btrfs_issue_discard(stripe->dev->bdev,
+			if (!test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state))
+				continue;
+
+			ret = btrfs_issue_discard(device->bdev,
 						  stripe->physical,
 						  stripe->length,
 						  &bytes);
@@ -2501,7 +2505,7 @@ static int cleanup_ref_head(struct btrfs_trans_handle *trans,
 				      head->qgroup_reserved);
 	btrfs_delayed_ref_unlock(head);
 	btrfs_put_delayed_ref_head(head);
-	return 0;
+	return ret;
 }
 
 /*
diff --git linux-libre-4.19.193-gnu/fs/btrfs/file-item.c linux-libre-4.19.194-gnu/fs/btrfs/file-item.c
index 1b8a04b767ff..40db31b69ef7 100644
--- linux-libre-4.19.193-gnu/fs/btrfs/file-item.c
+++ linux-libre-4.19.194-gnu/fs/btrfs/file-item.c
@@ -586,7 +586,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 	u64 end_byte = bytenr + len;
 	u64 csum_end;
 	struct extent_buffer *leaf;
-	int ret;
+	int ret = 0;
 	u16 csum_size = btrfs_super_csum_size(fs_info->super_copy);
 	int blocksize_bits = fs_info->sb->s_blocksize_bits;
 
@@ -605,6 +605,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 		path->leave_spinning = 1;
 		ret = btrfs_search_slot(trans, root, &key, path, -1, 1);
 		if (ret > 0) {
+			ret = 0;
 			if (path->slots[0] == 0)
 				break;
 			path->slots[0]--;
@@ -661,7 +662,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 			ret = btrfs_del_items(trans, root, path,
 					      path->slots[0], del_nr);
 			if (ret)
-				goto out;
+				break;
 			if (key.offset == bytenr)
 				break;
 		} else if (key.offset < bytenr && csum_end > end_byte) {
@@ -705,8 +706,9 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 			ret = btrfs_split_item(trans, root, path, &key, offset);
 			if (ret && ret != -EAGAIN) {
 				btrfs_abort_transaction(trans, ret);
-				goto out;
+				break;
 			}
+			ret = 0;
 
 			key.offset = end_byte - 1;
 		} else {
@@ -716,8 +718,6 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans,
 		}
 		btrfs_release_path(path);
 	}
-	ret = 0;
-out:
 	btrfs_free_path(path);
 	return ret;
 }
diff --git linux-libre-4.19.193-gnu/fs/btrfs/inode.c linux-libre-4.19.194-gnu/fs/btrfs/inode.c
index 8c6f619c9ee6..bf0e0e3e09c5 100644
--- linux-libre-4.19.193-gnu/fs/btrfs/inode.c
+++ linux-libre-4.19.194-gnu/fs/btrfs/inode.c
@@ -3162,6 +3162,18 @@ out:
 	if (ret || truncated) {
 		u64 start, end;
 
+		/*
+		 * If we failed to finish this ordered extent for any reason we
+		 * need to make sure BTRFS_ORDERED_IOERR is set on the ordered
+		 * extent, and mark the inode with the error if it wasn't
+		 * already set.  Any error during writeback would have already
+		 * set the mapping error, so we need to set it if we're the ones
+		 * marking this ordered extent as failed.
+		 */
+		if (ret && !test_and_set_bit(BTRFS_ORDERED_IOERR,
+					     &ordered_extent->flags))
+			mapping_set_error(ordered_extent->inode->i_mapping, -EIO);
+
 		if (truncated)
 			start = ordered_extent->file_offset + logical_len;
 		else
diff --git linux-libre-4.19.193-gnu/fs/btrfs/tree-log.c linux-libre-4.19.194-gnu/fs/btrfs/tree-log.c
index 1cd610ddbb24..93e59ce00174 100644
--- linux-libre-4.19.193-gnu/fs/btrfs/tree-log.c
+++ linux-libre-4.19.194-gnu/fs/btrfs/tree-log.c
@@ -1699,6 +1699,7 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
 			break;
 
 		if (ret == 1) {
+			ret = 0;
 			if (path->slots[0] == 0)
 				break;
 			path->slots[0]--;
@@ -1711,17 +1712,19 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
 
 		ret = btrfs_del_item(trans, root, path);
 		if (ret)
-			goto out;
+			break;
 
 		btrfs_release_path(path);
 		inode = read_one_inode(root, key.offset);
-		if (!inode)
-			return -EIO;
+		if (!inode) {
+			ret = -EIO;
+			break;
+		}
 
 		ret = fixup_inode_link_count(trans, root, inode);
 		iput(inode);
 		if (ret)
-			goto out;
+			break;
 
 		/*
 		 * fixup on a directory may create new entries,
@@ -1730,8 +1733,6 @@ static noinline int fixup_inode_link_counts(struct btrfs_trans_handle *trans,
 		 */
 		key.offset = (u64)-1;
 	}
-	ret = 0;
-out:
 	btrfs_release_path(path);
 	return ret;
 }
diff --git linux-libre-4.19.193-gnu/fs/ext4/extents.c linux-libre-4.19.194-gnu/fs/ext4/extents.c
index 36708d9d71cb..093cb675841b 100644
--- linux-libre-4.19.193-gnu/fs/ext4/extents.c
+++ linux-libre-4.19.194-gnu/fs/ext4/extents.c
@@ -3263,7 +3263,10 @@ static int ext4_split_extent_at(handle_t *handle,
 		ext4_ext_mark_unwritten(ex2);
 
 	err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags);
-	if (err == -ENOSPC && (EXT4_EXT_MAY_ZEROOUT & split_flag)) {
+	if (err != -ENOSPC && err != -EDQUOT)
+		goto out;
+
+	if (EXT4_EXT_MAY_ZEROOUT & split_flag) {
 		if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) {
 			if (split_flag & EXT4_EXT_DATA_VALID1) {
 				err = ext4_ext_zeroout(inode, ex2);
@@ -3289,30 +3292,30 @@ static int ext4_split_extent_at(handle_t *handle,
 					      ext4_ext_pblock(&orig_ex));
 		}
 
-		if (err)
-			goto fix_extent_len;
-		/* update the extent length and mark as initialized */
-		ex->ee_len = cpu_to_le16(ee_len);
-		ext4_ext_try_to_merge(handle, inode, path, ex);
-		err = ext4_ext_dirty(handle, inode, path + path->p_depth);
-		if (err)
-			goto fix_extent_len;
-
-		/* update extent status tree */
-		err = ext4_zeroout_es(inode, &zero_ex);
-
-		goto out;
-	} else if (err)
-		goto fix_extent_len;
-
-out:
-	ext4_ext_show_leaf(inode, path);
-	return err;
+		if (!err) {
+			/* update the extent length and mark as initialized */
+			ex->ee_len = cpu_to_le16(ee_len);
+			ext4_ext_try_to_merge(handle, inode, path, ex);
+			err = ext4_ext_dirty(handle, inode, path + path->p_depth);
+			if (!err)
+				/* update extent status tree */
+				err = ext4_zeroout_es(inode, &zero_ex);
+			/* If we failed at this point, we don't know in which
+			 * state the extent tree exactly is so don't try to fix
+			 * length of the original extent as it may do even more
+			 * damage.
+			 */
+			goto out;
+		}
+	}
 
 fix_extent_len:
 	ex->ee_len = orig_ex.ee_len;
 	ext4_ext_dirty(handle, inode, path + path->p_depth);
 	return err;
+out:
+	ext4_ext_show_leaf(inode, path);
+	return err;
 }
 
 /*
diff --git linux-libre-4.19.193-gnu/fs/ocfs2/file.c linux-libre-4.19.194-gnu/fs/ocfs2/file.c
index 5c507569ef70..94df697e2638 100644
--- linux-libre-4.19.193-gnu/fs/ocfs2/file.c
+++ linux-libre-4.19.194-gnu/fs/ocfs2/file.c
@@ -1863,6 +1863,45 @@ out:
 	return ret;
 }
 
+/*
+ * zero out partial blocks of one cluster.
+ *
+ * start: file offset where zero starts, will be made upper block aligned.
+ * len: it will be trimmed to the end of current cluster if "start + len"
+ *      is bigger than it.
+ */
+static int ocfs2_zeroout_partial_cluster(struct inode *inode,
+					u64 start, u64 len)
+{
+	int ret;
+	u64 start_block, end_block, nr_blocks;
+	u64 p_block, offset;
+	u32 cluster, p_cluster, nr_clusters;
+	struct super_block *sb = inode->i_sb;
+	u64 end = ocfs2_align_bytes_to_clusters(sb, start);
+
+	if (start + len < end)
+		end = start + len;
+
+	start_block = ocfs2_blocks_for_bytes(sb, start);
+	end_block = ocfs2_blocks_for_bytes(sb, end);
+	nr_blocks = end_block - start_block;
+	if (!nr_blocks)
+		return 0;
+
+	cluster = ocfs2_bytes_to_clusters(sb, start);
+	ret = ocfs2_get_clusters(inode, cluster, &p_cluster,
+				&nr_clusters, NULL);
+	if (ret)
+		return ret;
+	if (!p_cluster)
+		return 0;
+
+	offset = start_block - ocfs2_clusters_to_blocks(sb, cluster);
+	p_block = ocfs2_clusters_to_blocks(sb, p_cluster) + offset;
+	return sb_issue_zeroout(sb, p_block, nr_blocks, GFP_NOFS);
+}
+
 /*
  * Parts of this function taken from xfs_change_file_space()
  */
@@ -1873,7 +1912,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 {
 	int ret;
 	s64 llen;
-	loff_t size;
+	loff_t size, orig_isize;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct buffer_head *di_bh = NULL;
 	handle_t *handle;
@@ -1904,6 +1943,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 		goto out_inode_unlock;
 	}
 
+	orig_isize = i_size_read(inode);
 	switch (sr->l_whence) {
 	case 0: /*SEEK_SET*/
 		break;
@@ -1911,7 +1951,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 		sr->l_start += f_pos;
 		break;
 	case 2: /*SEEK_END*/
-		sr->l_start += i_size_read(inode);
+		sr->l_start += orig_isize;
 		break;
 	default:
 		ret = -EINVAL;
@@ -1965,6 +2005,14 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 	default:
 		ret = -EINVAL;
 	}
+
+	/* zeroout eof blocks in the cluster. */
+	if (!ret && change_size && orig_isize < size) {
+		ret = ocfs2_zeroout_partial_cluster(inode, orig_isize,
+					size - orig_isize);
+		if (!ret)
+			i_size_write(inode, size);
+	}
 	up_write(&OCFS2_I(inode)->ip_alloc_sem);
 	if (ret) {
 		mlog_errno(ret);
@@ -1981,9 +2029,6 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
 		goto out_inode_unlock;
 	}
 
-	if (change_size && i_size_read(inode) < size)
-		i_size_write(inode, size);
-
 	inode->i_ctime = inode->i_mtime = current_time(inode);
 	ret = ocfs2_mark_inode_dirty(handle, inode, di_bh);
 	if (ret < 0)
diff --git linux-libre-4.19.193-gnu/include/linux/perf_event.h linux-libre-4.19.194-gnu/include/linux/perf_event.h
index d8b4d31acd18..efe30b9b1190 100644
--- linux-libre-4.19.193-gnu/include/linux/perf_event.h
+++ linux-libre-4.19.194-gnu/include/linux/perf_event.h
@@ -747,6 +747,11 @@ struct perf_event_context {
 	int				nr_stat;
 	int				nr_freq;
 	int				rotate_disable;
+	/*
+	 * Set when nr_events != nr_active, except tolerant to events not
+	 * necessary to be active due to scheduling constraints, such as cgroups.
+	 */
+	int				rotate_necessary;
 	atomic_t			refcount;
 	struct task_struct		*task;
 
diff --git linux-libre-4.19.193-gnu/include/linux/usb/usbnet.h linux-libre-4.19.194-gnu/include/linux/usb/usbnet.h
index e2ec3582e549..452ca06ed253 100644
--- linux-libre-4.19.193-gnu/include/linux/usb/usbnet.h
+++ linux-libre-4.19.194-gnu/include/linux/usb/usbnet.h
@@ -83,6 +83,8 @@ struct usbnet {
 #		define EVENT_LINK_CHANGE	11
 #		define EVENT_SET_RX_MODE	12
 #		define EVENT_NO_IP_ALIGN	13
+	u32			rx_speed;	/* in bps - NOT Mbps */
+	u32			tx_speed;	/* in bps - NOT Mbps */
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)
diff --git linux-libre-4.19.193-gnu/include/net/caif/caif_dev.h linux-libre-4.19.194-gnu/include/net/caif/caif_dev.h
index 028b754ae9b1..0baf2e21a533 100644
--- linux-libre-4.19.193-gnu/include/net/caif/caif_dev.h
+++ linux-libre-4.19.194-gnu/include/net/caif/caif_dev.h
@@ -119,7 +119,7 @@ void caif_free_client(struct cflayer *adap_layer);
  * The link_support layer is used to add any Link Layer specific
  * framing.
  */
-void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
+int caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
 			struct cflayer *link_support, int head_room,
 			struct cflayer **layer, int (**rcv_func)(
 				struct sk_buff *, struct net_device *,
diff --git linux-libre-4.19.193-gnu/include/net/caif/cfcnfg.h linux-libre-4.19.194-gnu/include/net/caif/cfcnfg.h
index 70bfd017581f..219094ace893 100644
--- linux-libre-4.19.193-gnu/include/net/caif/cfcnfg.h
+++ linux-libre-4.19.194-gnu/include/net/caif/cfcnfg.h
@@ -62,7 +62,7 @@ void cfcnfg_remove(struct cfcnfg *cfg);
  * @fcs:	Specify if checksum is used in CAIF Framing Layer.
  * @head_room:	Head space needed by link specific protocol.
  */
-void
+int
 cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
 		     struct net_device *dev, struct cflayer *phy_layer,
 		     enum cfcnfg_phy_preference pref,
diff --git linux-libre-4.19.193-gnu/include/net/caif/cfserl.h linux-libre-4.19.194-gnu/include/net/caif/cfserl.h
index b5b020f3c72e..bc3fae07a25f 100644
--- linux-libre-4.19.193-gnu/include/net/caif/cfserl.h
+++ linux-libre-4.19.194-gnu/include/net/caif/cfserl.h
@@ -9,4 +9,5 @@
 #include <net/caif/caif_layer.h>
 
 struct cflayer *cfserl_create(int instance, bool use_stx);
+void cfserl_release(struct cflayer *layer);
 #endif
diff --git linux-libre-4.19.193-gnu/include/uapi/linux/bpf.h linux-libre-4.19.194-gnu/include/uapi/linux/bpf.h
index 71ca8c4dc290..8481fc7676c0 100644
--- linux-libre-4.19.193-gnu/include/uapi/linux/bpf.h
+++ linux-libre-4.19.194-gnu/include/uapi/linux/bpf.h
@@ -228,6 +228,20 @@ enum bpf_attach_type {
  */
 #define BPF_F_STRICT_ALIGNMENT	(1U << 0)
 
+/* If BPF_F_ANY_ALIGNMENT is used in BPF_PROF_LOAD command, the
+ * verifier will allow any alignment whatsoever.  On platforms
+ * with strict alignment requirements for loads ands stores (such
+ * as sparc and mips) the verifier validates that all loads and
+ * stores provably follow this requirement.  This flag turns that
+ * checking and enforcement off.
+ *
+ * It is mostly used for testing when we want to validate the
+ * context and memory access aspects of the verifier, but because
+ * of an unaligned access the alignment check would trigger before
+ * the one we are interested in.
+ */
+#define BPF_F_ANY_ALIGNMENT	(1U << 1)
+
 /* when bpf_ldimm64->src_reg == BPF_PSEUDO_MAP_FD, bpf_ldimm64->imm == fd */
 #define BPF_PSEUDO_MAP_FD	1
 
diff --git linux-libre-4.19.193-gnu/init/main.c linux-libre-4.19.194-gnu/init/main.c
index fdfef08da0c4..7baad67c2e93 100644
--- linux-libre-4.19.193-gnu/init/main.c
+++ linux-libre-4.19.194-gnu/init/main.c
@@ -1124,7 +1124,7 @@ static noinline void __init kernel_init_freeable(void)
 	 */
 	set_mems_allowed(node_states[N_MEMORY]);
 
-	cad_pid = task_pid(current);
+	cad_pid = get_pid(task_pid(current));
 
 	smp_prepare_cpus(setup_max_cpus);
 
diff --git linux-libre-4.19.193-gnu/kernel/bpf/syscall.c linux-libre-4.19.194-gnu/kernel/bpf/syscall.c
index 21a366a661ac..353a8d672302 100644
--- linux-libre-4.19.193-gnu/kernel/bpf/syscall.c
+++ linux-libre-4.19.194-gnu/kernel/bpf/syscall.c
@@ -1367,9 +1367,14 @@ static int bpf_prog_load(union bpf_attr *attr)
 	if (CHECK_ATTR(BPF_PROG_LOAD))
 		return -EINVAL;
 
-	if (attr->prog_flags & ~BPF_F_STRICT_ALIGNMENT)
+	if (attr->prog_flags & ~(BPF_F_STRICT_ALIGNMENT | BPF_F_ANY_ALIGNMENT))
 		return -EINVAL;
 
+	if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) &&
+	    (attr->prog_flags & BPF_F_ANY_ALIGNMENT) &&
+	    !capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	/* copy eBPF program license from user space */
 	if (strncpy_from_user(license, u64_to_user_ptr(attr->license),
 			      sizeof(license) - 1) < 0)
diff --git linux-libre-4.19.193-gnu/kernel/bpf/verifier.c linux-libre-4.19.194-gnu/kernel/bpf/verifier.c
index 1f4c88ce58de..4ce032c4acd0 100644
--- linux-libre-4.19.193-gnu/kernel/bpf/verifier.c
+++ linux-libre-4.19.194-gnu/kernel/bpf/verifier.c
@@ -6440,6 +6440,9 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr)
 	if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS))
 		env->strict_alignment = true;
 
+	if (attr->prog_flags & BPF_F_ANY_ALIGNMENT)
+		env->strict_alignment = false;
+
 	ret = replace_map_fd_with_map_ptr(env);
 	if (ret < 0)
 		goto skip_full_check;
diff --git linux-libre-4.19.193-gnu/kernel/events/core.c linux-libre-4.19.194-gnu/kernel/events/core.c
index b8b74a4a524c..d3be2cd57af1 100644
--- linux-libre-4.19.193-gnu/kernel/events/core.c
+++ linux-libre-4.19.194-gnu/kernel/events/core.c
@@ -2952,6 +2952,12 @@ static void ctx_sched_out(struct perf_event_context *ctx,
 	if (!ctx->nr_active || !(is_active & EVENT_ALL))
 		return;
 
+	/*
+	 * If we had been multiplexing, no rotations are necessary, now no events
+	 * are active.
+	 */
+	ctx->rotate_necessary = 0;
+
 	perf_pmu_disable(ctx->pmu);
 	if (is_active & EVENT_PINNED) {
 		list_for_each_entry_safe(event, tmp, &ctx->pinned_active, active_list)
@@ -3319,10 +3325,13 @@ static int flexible_sched_in(struct perf_event *event, void *data)
 		return 0;
 
 	if (group_can_go_on(event, sid->cpuctx, sid->can_add_hw)) {
-		if (!group_sched_in(event, sid->cpuctx, sid->ctx))
-			list_add_tail(&event->active_list, &sid->ctx->flexible_active);
-		else
+		int ret = group_sched_in(event, sid->cpuctx, sid->ctx);
+		if (ret) {
 			sid->can_add_hw = 0;
+			sid->ctx->rotate_necessary = 1;
+			return 0;
+		}
+		list_add_tail(&event->active_list, &sid->ctx->flexible_active);
 	}
 
 	return 0;
@@ -3680,34 +3689,39 @@ static void rotate_ctx(struct perf_event_context *ctx, struct perf_event *event)
 	perf_event_groups_insert(&ctx->flexible_groups, event);
 }
 
+/* pick an event from the flexible_groups to rotate */
 static inline struct perf_event *
-ctx_first_active(struct perf_event_context *ctx)
+ctx_event_to_rotate(struct perf_event_context *ctx)
 {
-	return list_first_entry_or_null(&ctx->flexible_active,
-					struct perf_event, active_list);
+	struct perf_event *event;
+
+	/* pick the first active flexible event */
+	event = list_first_entry_or_null(&ctx->flexible_active,
+					 struct perf_event, active_list);
+
+	/* if no active flexible event, pick the first event */
+	if (!event) {
+		event = rb_entry_safe(rb_first(&ctx->flexible_groups.tree),
+				      typeof(*event), group_node);
+	}
+
+	return event;
 }
 
 static bool perf_rotate_context(struct perf_cpu_context *cpuctx)
 {
 	struct perf_event *cpu_event = NULL, *task_event = NULL;
-	bool cpu_rotate = false, task_rotate = false;
-	struct perf_event_context *ctx = NULL;
+	struct perf_event_context *task_ctx = NULL;
+	int cpu_rotate, task_rotate;
 
 	/*
 	 * Since we run this from IRQ context, nobody can install new
 	 * events, thus the event count values are stable.
 	 */
 
-	if (cpuctx->ctx.nr_events) {
-		if (cpuctx->ctx.nr_events != cpuctx->ctx.nr_active)
-			cpu_rotate = true;
-	}
-
-	ctx = cpuctx->task_ctx;
-	if (ctx && ctx->nr_events) {
-		if (ctx->nr_events != ctx->nr_active)
-			task_rotate = true;
-	}
+	cpu_rotate = cpuctx->ctx.rotate_necessary;
+	task_ctx = cpuctx->task_ctx;
+	task_rotate = task_ctx ? task_ctx->rotate_necessary : 0;
 
 	if (!(cpu_rotate || task_rotate))
 		return false;
@@ -3716,25 +3730,25 @@ static bool perf_rotate_context(struct perf_cpu_context *cpuctx)
 	perf_pmu_disable(cpuctx->ctx.pmu);
 
 	if (task_rotate)
-		task_event = ctx_first_active(ctx);
+		task_event = ctx_event_to_rotate(task_ctx);
 	if (cpu_rotate)
-		cpu_event = ctx_first_active(&cpuctx->ctx);
+		cpu_event = ctx_event_to_rotate(&cpuctx->ctx);
 
 	/*
 	 * As per the order given at ctx_resched() first 'pop' task flexible
 	 * and then, if needed CPU flexible.
 	 */
-	if (task_event || (ctx && cpu_event))
-		ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE);
+	if (task_event || (task_ctx && cpu_event))
+		ctx_sched_out(task_ctx, cpuctx, EVENT_FLEXIBLE);
 	if (cpu_event)
 		cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
 
 	if (task_event)
-		rotate_ctx(ctx, task_event);
+		rotate_ctx(task_ctx, task_event);
 	if (cpu_event)
 		rotate_ctx(&cpuctx->ctx, cpu_event);
 
-	perf_event_sched_in(cpuctx, ctx, current);
+	perf_event_sched_in(cpuctx, task_ctx, current);
 
 	perf_pmu_enable(cpuctx->ctx.pmu);
 	perf_ctx_unlock(cpuctx, cpuctx->task_ctx);
diff --git linux-libre-4.19.193-gnu/kernel/sched/fair.c linux-libre-4.19.194-gnu/kernel/sched/fair.c
index 80392cdd5f3b..f06687053f96 100644
--- linux-libre-4.19.193-gnu/kernel/sched/fair.c
+++ linux-libre-4.19.194-gnu/kernel/sched/fair.c
@@ -6154,6 +6154,7 @@ static inline int select_idle_smt(struct task_struct *p, struct sched_domain *sd
  */
 static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int target)
 {
+	struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
 	struct sched_domain *this_sd;
 	u64 avg_cost, avg_idle;
 	u64 time, cost;
@@ -6184,11 +6185,11 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t
 
 	time = local_clock();
 
-	for_each_cpu_wrap(cpu, sched_domain_span(sd), target) {
+	cpumask_and(cpus, sched_domain_span(sd), &p->cpus_allowed);
+
+	for_each_cpu_wrap(cpu, cpus, target) {
 		if (!--nr)
 			return -1;
-		if (!cpumask_test_cpu(cpu, &p->cpus_allowed))
-			continue;
 		if (available_idle_cpu(cpu))
 			break;
 	}
diff --git linux-libre-4.19.193-gnu/mm/hugetlb.c linux-libre-4.19.194-gnu/mm/hugetlb.c
index 2f769a661568..c69f12e4c149 100644
--- linux-libre-4.19.193-gnu/mm/hugetlb.c
+++ linux-libre-4.19.194-gnu/mm/hugetlb.c
@@ -4154,10 +4154,20 @@ int hugetlb_mcopy_atomic_pte(struct mm_struct *dst_mm,
 	struct page *page;
 
 	if (!*pagep) {
-		ret = -ENOMEM;
+		/* If a page already exists, then it's UFFDIO_COPY for
+		 * a non-missing case. Return -EEXIST.
+		 */
+		if (vm_shared &&
+		    hugetlbfs_pagecache_present(h, dst_vma, dst_addr)) {
+			ret = -EEXIST;
+			goto out;
+		}
+
 		page = alloc_huge_page(dst_vma, dst_addr, 0);
-		if (IS_ERR(page))
+		if (IS_ERR(page)) {
+			ret = -ENOMEM;
 			goto out;
+		}
 
 		ret = copy_huge_page_from_user(page,
 						(const void __user *) src_addr,
diff --git linux-libre-4.19.193-gnu/net/bluetooth/hci_core.c linux-libre-4.19.194-gnu/net/bluetooth/hci_core.c
index 04d6f50798c9..219cdbb476fb 100644
--- linux-libre-4.19.193-gnu/net/bluetooth/hci_core.c
+++ linux-libre-4.19.194-gnu/net/bluetooth/hci_core.c
@@ -1498,8 +1498,13 @@ static int hci_dev_do_open(struct hci_dev *hdev)
 	} else {
 		/* Init failed, cleanup */
 		flush_work(&hdev->tx_work);
-		flush_work(&hdev->cmd_work);
+
+		/* Since hci_rx_work() is possible to awake new cmd_work
+		 * it should be flushed first to avoid unexpected call of
+		 * hci_cmd_work()
+		 */
 		flush_work(&hdev->rx_work);
+		flush_work(&hdev->cmd_work);
 
 		skb_queue_purge(&hdev->cmd_q);
 		skb_queue_purge(&hdev->rx_q);
diff --git linux-libre-4.19.193-gnu/net/bluetooth/hci_sock.c linux-libre-4.19.194-gnu/net/bluetooth/hci_sock.c
index e506c51ff765..06156de24c50 100644
--- linux-libre-4.19.193-gnu/net/bluetooth/hci_sock.c
+++ linux-libre-4.19.194-gnu/net/bluetooth/hci_sock.c
@@ -755,7 +755,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event)
 		/* Detach sockets from device */
 		read_lock(&hci_sk_list.lock);
 		sk_for_each(sk, &hci_sk_list.head) {
-			bh_lock_sock_nested(sk);
+			lock_sock(sk);
 			if (hci_pi(sk)->hdev == hdev) {
 				hci_pi(sk)->hdev = NULL;
 				sk->sk_err = EPIPE;
@@ -764,7 +764,7 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event)
 
 				hci_dev_put(hdev);
 			}
-			bh_unlock_sock(sk);
+			release_sock(sk);
 		}
 		read_unlock(&hci_sk_list.lock);
 	}
diff --git linux-libre-4.19.193-gnu/net/caif/caif_dev.c linux-libre-4.19.194-gnu/net/caif/caif_dev.c
index 711d7156efd8..cc305d84168f 100644
--- linux-libre-4.19.193-gnu/net/caif/caif_dev.c
+++ linux-libre-4.19.194-gnu/net/caif/caif_dev.c
@@ -303,7 +303,7 @@ static void dev_flowctrl(struct net_device *dev, int on)
 	caifd_put(caifd);
 }
 
-void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
+int caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
 		     struct cflayer *link_support, int head_room,
 		     struct cflayer **layer,
 		     int (**rcv_func)(struct sk_buff *, struct net_device *,
@@ -314,11 +314,12 @@ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
 	enum cfcnfg_phy_preference pref;
 	struct cfcnfg *cfg = get_cfcnfg(dev_net(dev));
 	struct caif_device_entry_list *caifdevs;
+	int res;
 
 	caifdevs = caif_device_list(dev_net(dev));
 	caifd = caif_device_alloc(dev);
 	if (!caifd)
-		return;
+		return -ENOMEM;
 	*layer = &caifd->layer;
 	spin_lock_init(&caifd->flow_lock);
 
@@ -339,7 +340,7 @@ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
 	strlcpy(caifd->layer.name, dev->name,
 		sizeof(caifd->layer.name));
 	caifd->layer.transmit = transmit;
-	cfcnfg_add_phy_layer(cfg,
+	res = cfcnfg_add_phy_layer(cfg,
 				dev,
 				&caifd->layer,
 				pref,
@@ -349,6 +350,7 @@ void caif_enroll_dev(struct net_device *dev, struct caif_dev_common *caifdev,
 	mutex_unlock(&caifdevs->lock);
 	if (rcv_func)
 		*rcv_func = receive;
+	return res;
 }
 EXPORT_SYMBOL(caif_enroll_dev);
 
@@ -363,6 +365,7 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what,
 	struct cflayer *layer, *link_support;
 	int head_room = 0;
 	struct caif_device_entry_list *caifdevs;
+	int res;
 
 	cfg = get_cfcnfg(dev_net(dev));
 	caifdevs = caif_device_list(dev_net(dev));
@@ -388,8 +391,10 @@ static int caif_device_notify(struct notifier_block *me, unsigned long what,
 				break;
 			}
 		}
-		caif_enroll_dev(dev, caifdev, link_support, head_room,
+		res = caif_enroll_dev(dev, caifdev, link_support, head_room,
 				&layer, NULL);
+		if (res)
+			cfserl_release(link_support);
 		caifdev->flowctrl = dev_flowctrl;
 		break;
 
diff --git linux-libre-4.19.193-gnu/net/caif/caif_usb.c linux-libre-4.19.194-gnu/net/caif/caif_usb.c
index 1a082a946045..76d49a1bc6f6 100644
--- linux-libre-4.19.193-gnu/net/caif/caif_usb.c
+++ linux-libre-4.19.194-gnu/net/caif/caif_usb.c
@@ -116,6 +116,11 @@ static struct cflayer *cfusbl_create(int phyid, u8 ethaddr[ETH_ALEN],
 	return (struct cflayer *) this;
 }
 
+static void cfusbl_release(struct cflayer *layer)
+{
+	kfree(layer);
+}
+
 static struct packet_type caif_usb_type __read_mostly = {
 	.type = cpu_to_be16(ETH_P_802_EX1),
 };
@@ -128,6 +133,7 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
 	struct cflayer *layer, *link_support;
 	struct usbnet *usbnet;
 	struct usb_device *usbdev;
+	int res;
 
 	/* Check whether we have a NCM device, and find its VID/PID. */
 	if (!(dev->dev.parent && dev->dev.parent->driver &&
@@ -170,8 +176,11 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
 	if (dev->num_tx_queues > 1)
 		pr_warn("USB device uses more than one tx queue\n");
 
-	caif_enroll_dev(dev, &common, link_support, CFUSB_MAX_HEADLEN,
+	res = caif_enroll_dev(dev, &common, link_support, CFUSB_MAX_HEADLEN,
 			&layer, &caif_usb_type.func);
+	if (res)
+		goto err;
+
 	if (!pack_added)
 		dev_add_pack(&caif_usb_type);
 	pack_added = true;
@@ -179,6 +188,9 @@ static int cfusbl_device_notify(struct notifier_block *me, unsigned long what,
 	strlcpy(layer->name, dev->name, sizeof(layer->name));
 
 	return 0;
+err:
+	cfusbl_release(link_support);
+	return res;
 }
 
 static struct notifier_block caif_device_notifier = {
diff --git linux-libre-4.19.193-gnu/net/caif/cfcnfg.c linux-libre-4.19.194-gnu/net/caif/cfcnfg.c
index 8f00bea093b9..b456b79abd3b 100644
--- linux-libre-4.19.193-gnu/net/caif/cfcnfg.c
+++ linux-libre-4.19.194-gnu/net/caif/cfcnfg.c
@@ -450,7 +450,7 @@ unlock:
 	rcu_read_unlock();
 }
 
-void
+int
 cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
 		     struct net_device *dev, struct cflayer *phy_layer,
 		     enum cfcnfg_phy_preference pref,
@@ -459,7 +459,7 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
 {
 	struct cflayer *frml;
 	struct cfcnfg_phyinfo *phyinfo = NULL;
-	int i;
+	int i, res = 0;
 	u8 phyid;
 
 	mutex_lock(&cnfg->lock);
@@ -473,12 +473,15 @@ cfcnfg_add_phy_layer(struct cfcnfg *cnfg,
 			goto got_phyid;
 	}
 	pr_warn("Too many CAIF Link Layers (max 6)\n");
+	res = -EEXIST;
 	goto out;
 
 got_phyid:
 	phyinfo = kzalloc(sizeof(struct cfcnfg_phyinfo), GFP_ATOMIC);
-	if (!phyinfo)
+	if (!phyinfo) {
+		res = -ENOMEM;
 		goto out_err;
+	}
 
 	phy_layer->id = phyid;
 	phyinfo->pref = pref;
@@ -492,8 +495,10 @@ got_phyid:
 
 	frml = cffrml_create(phyid, fcs);
 
-	if (!frml)
+	if (!frml) {
+		res = -ENOMEM;
 		goto out_err;
+	}
 	phyinfo->frm_layer = frml;
 	layer_set_up(frml, cnfg->mux);
 
@@ -511,11 +516,12 @@ got_phyid:
 	list_add_rcu(&phyinfo->node, &cnfg->phys);
 out:
 	mutex_unlock(&cnfg->lock);
-	return;
+	return res;
 
 out_err:
 	kfree(phyinfo);
 	mutex_unlock(&cnfg->lock);
+	return res;
 }
 EXPORT_SYMBOL(cfcnfg_add_phy_layer);
 
diff --git linux-libre-4.19.193-gnu/net/caif/cfserl.c linux-libre-4.19.194-gnu/net/caif/cfserl.c
index ce60f06d76de..af1e1e36dc90 100644
--- linux-libre-4.19.193-gnu/net/caif/cfserl.c
+++ linux-libre-4.19.194-gnu/net/caif/cfserl.c
@@ -31,6 +31,11 @@ static int cfserl_transmit(struct cflayer *layr, struct cfpkt *pkt);
 static void cfserl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
 			   int phyid);
 
+void cfserl_release(struct cflayer *layer)
+{
+	kfree(layer);
+}
+
 struct cflayer *cfserl_create(int instance, bool use_stx)
 {
 	struct cfserl *this = kzalloc(sizeof(struct cfserl), GFP_ATOMIC);
diff --git linux-libre-4.19.193-gnu/net/ieee802154/nl-mac.c linux-libre-4.19.194-gnu/net/ieee802154/nl-mac.c
index c0930b9fe848..7531cb1665d2 100644
--- linux-libre-4.19.193-gnu/net/ieee802154/nl-mac.c
+++ linux-libre-4.19.194-gnu/net/ieee802154/nl-mac.c
@@ -688,8 +688,10 @@ int ieee802154_llsec_getparams(struct sk_buff *skb, struct genl_info *info)
 	    nla_put_u8(msg, IEEE802154_ATTR_LLSEC_SECLEVEL, params.out_level) ||
 	    nla_put_u32(msg, IEEE802154_ATTR_LLSEC_FRAME_COUNTER,
 			be32_to_cpu(params.frame_counter)) ||
-	    ieee802154_llsec_fill_key_id(msg, &params.out_key))
+	    ieee802154_llsec_fill_key_id(msg, &params.out_key)) {
+		rc = -ENOBUFS;
 		goto out_free;
+	}
 
 	dev_put(dev);
 
diff --git linux-libre-4.19.193-gnu/net/ieee802154/nl-phy.c linux-libre-4.19.194-gnu/net/ieee802154/nl-phy.c
index b231e40f006a..ca1dd9ff07ab 100644
--- linux-libre-4.19.193-gnu/net/ieee802154/nl-phy.c
+++ linux-libre-4.19.194-gnu/net/ieee802154/nl-phy.c
@@ -249,8 +249,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
-	    nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name))
+	    nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name)) {
+		rc = -EMSGSIZE;
 		goto nla_put_failure;
+	}
 	dev_put(dev);
 
 	wpan_phy_put(phy);
diff --git linux-libre-4.19.193-gnu/net/netfilter/ipvs/ip_vs_ctl.c linux-libre-4.19.194-gnu/net/netfilter/ipvs/ip_vs_ctl.c
index 3ad1de081e3c..6208fa09fe71 100644
--- linux-libre-4.19.193-gnu/net/netfilter/ipvs/ip_vs_ctl.c
+++ linux-libre-4.19.194-gnu/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1269,7 +1269,7 @@ ip_vs_add_service(struct netns_ipvs *ipvs, struct ip_vs_service_user_kern *u,
 	ip_vs_addr_copy(svc->af, &svc->addr, &u->addr);
 	svc->port = u->port;
 	svc->fwmark = u->fwmark;
-	svc->flags = u->flags;
+	svc->flags = u->flags & ~IP_VS_SVC_F_HASHED;
 	svc->timeout = u->timeout * HZ;
 	svc->netmask = u->netmask;
 	svc->ipvs = ipvs;
diff --git linux-libre-4.19.193-gnu/net/netfilter/nfnetlink_cthelper.c linux-libre-4.19.194-gnu/net/netfilter/nfnetlink_cthelper.c
index ddcb1b607474..c8b0f1122c44 100644
--- linux-libre-4.19.193-gnu/net/netfilter/nfnetlink_cthelper.c
+++ linux-libre-4.19.194-gnu/net/netfilter/nfnetlink_cthelper.c
@@ -381,10 +381,14 @@ static int
 nfnl_cthelper_update(const struct nlattr * const tb[],
 		     struct nf_conntrack_helper *helper)
 {
+	u32 size;
 	int ret;
 
-	if (tb[NFCTH_PRIV_DATA_LEN])
-		return -EBUSY;
+	if (tb[NFCTH_PRIV_DATA_LEN]) {
+		size = ntohl(nla_get_be32(tb[NFCTH_PRIV_DATA_LEN]));
+		if (size != helper->data_len)
+			return -EBUSY;
+	}
 
 	if (tb[NFCTH_POLICY]) {
 		ret = nfnl_cthelper_update_policy(helper, tb[NFCTH_POLICY]);
diff --git linux-libre-4.19.193-gnu/net/nfc/llcp_sock.c linux-libre-4.19.194-gnu/net/nfc/llcp_sock.c
index 59de4f54dd18..23f7116d122a 100644
--- linux-libre-4.19.193-gnu/net/nfc/llcp_sock.c
+++ linux-libre-4.19.194-gnu/net/nfc/llcp_sock.c
@@ -122,6 +122,7 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
 	if (!llcp_sock->service_name) {
 		nfc_llcp_local_put(llcp_sock->local);
 		llcp_sock->local = NULL;
+		llcp_sock->dev = NULL;
 		ret = -ENOMEM;
 		goto put_dev;
 	}
@@ -131,6 +132,7 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
 		llcp_sock->local = NULL;
 		kfree(llcp_sock->service_name);
 		llcp_sock->service_name = NULL;
+		llcp_sock->dev = NULL;
 		ret = -EADDRINUSE;
 		goto put_dev;
 	}
diff --git linux-libre-4.19.193-gnu/net/tipc/bearer.c linux-libre-4.19.194-gnu/net/tipc/bearer.c
index 2649a0a0d45e..e1006ed4d90a 100644
--- linux-libre-4.19.193-gnu/net/tipc/bearer.c
+++ linux-libre-4.19.194-gnu/net/tipc/bearer.c
@@ -231,7 +231,8 @@ void tipc_bearer_remove_dest(struct net *net, u32 bearer_id, u32 dest)
  */
 static int tipc_enable_bearer(struct net *net, const char *name,
 			      u32 disc_domain, u32 prio,
-			      struct nlattr *attr[])
+			      struct nlattr *attr[],
+			      struct netlink_ext_ack *extack)
 {
 	struct tipc_net *tn = tipc_net(net);
 	struct tipc_bearer_names b_names;
@@ -242,20 +243,24 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 	int bearer_id = 0;
 	int res = -EINVAL;
 	char *errstr = "";
+	u32 i;
 
 	if (!bearer_name_validate(name, &b_names)) {
 		errstr = "illegal name";
+		NL_SET_ERR_MSG(extack, "Illegal name");
 		goto rejected;
 	}
 
 	if (prio > TIPC_MAX_LINK_PRI && prio != TIPC_MEDIA_LINK_PRI) {
 		errstr = "illegal priority";
+		NL_SET_ERR_MSG(extack, "Illegal priority");
 		goto rejected;
 	}
 
 	m = tipc_media_find(b_names.media_name);
 	if (!m) {
 		errstr = "media not registered";
+		NL_SET_ERR_MSG(extack, "Media not registered");
 		goto rejected;
 	}
 
@@ -263,33 +268,43 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 		prio = m->priority;
 
 	/* Check new bearer vs existing ones and find free bearer id if any */
-	while (bearer_id < MAX_BEARERS) {
-		b = rtnl_dereference(tn->bearer_list[bearer_id]);
-		if (!b)
-			break;
+	bearer_id = MAX_BEARERS;
+	i = MAX_BEARERS;
+	while (i-- != 0) {
+		b = rtnl_dereference(tn->bearer_list[i]);
+		if (!b) {
+			bearer_id = i;
+			continue;
+		}
 		if (!strcmp(name, b->name)) {
 			errstr = "already enabled";
+			NL_SET_ERR_MSG(extack, "Already enabled");
 			goto rejected;
 		}
-		bearer_id++;
-		if (b->priority != prio)
-			continue;
-		if (++with_this_prio <= 2)
-			continue;
-		pr_warn("Bearer <%s>: already 2 bearers with priority %u\n",
-			name, prio);
-		if (prio == TIPC_MIN_LINK_PRI) {
-			errstr = "cannot adjust to lower";
-			goto rejected;
+
+		if (b->priority == prio &&
+		    (++with_this_prio > 2)) {
+			pr_warn("Bearer <%s>: already 2 bearers with priority %u\n",
+				name, prio);
+
+			if (prio == TIPC_MIN_LINK_PRI) {
+				errstr = "cannot adjust to lower";
+				NL_SET_ERR_MSG(extack, "Cannot adjust to lower");
+				goto rejected;
+			}
+
+			pr_warn("Bearer <%s>: trying with adjusted priority\n",
+				name);
+			prio--;
+			bearer_id = MAX_BEARERS;
+			i = MAX_BEARERS;
+			with_this_prio = 1;
 		}
-		pr_warn("Bearer <%s>: trying with adjusted priority\n", name);
-		prio--;
-		bearer_id = 0;
-		with_this_prio = 1;
 	}
 
 	if (bearer_id >= MAX_BEARERS) {
 		errstr = "max 3 bearers permitted";
+		NL_SET_ERR_MSG(extack, "Max 3 bearers permitted");
 		goto rejected;
 	}
 
@@ -303,6 +318,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 	if (res) {
 		kfree(b);
 		errstr = "failed to enable media";
+		NL_SET_ERR_MSG(extack, "Failed to enable media");
 		goto rejected;
 	}
 
@@ -318,6 +334,7 @@ static int tipc_enable_bearer(struct net *net, const char *name,
 	if (res) {
 		bearer_disable(net, b);
 		errstr = "failed to create discoverer";
+		NL_SET_ERR_MSG(extack, "Failed to create discoverer");
 		goto rejected;
 	}
 
@@ -795,6 +812,7 @@ int tipc_nl_bearer_get(struct sk_buff *skb, struct genl_info *info)
 	bearer = tipc_bearer_find(net, name);
 	if (!bearer) {
 		err = -EINVAL;
+		NL_SET_ERR_MSG(info->extack, "Bearer not found");
 		goto err_out;
 	}
 
@@ -834,8 +852,10 @@ int __tipc_nl_bearer_disable(struct sk_buff *skb, struct genl_info *info)
 	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
 
 	bearer = tipc_bearer_find(net, name);
-	if (!bearer)
+	if (!bearer) {
+		NL_SET_ERR_MSG(info->extack, "Bearer not found");
 		return -EINVAL;
+	}
 
 	bearer_disable(net, bearer);
 
@@ -893,7 +913,8 @@ int __tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
 			prio = nla_get_u32(props[TIPC_NLA_PROP_PRIO]);
 	}
 
-	return tipc_enable_bearer(net, bearer, domain, prio, attrs);
+	return tipc_enable_bearer(net, bearer, domain, prio, attrs,
+				  info->extack);
 }
 
 int tipc_nl_bearer_enable(struct sk_buff *skb, struct genl_info *info)
@@ -932,6 +953,7 @@ int tipc_nl_bearer_add(struct sk_buff *skb, struct genl_info *info)
 	b = tipc_bearer_find(net, name);
 	if (!b) {
 		rtnl_unlock();
+		NL_SET_ERR_MSG(info->extack, "Bearer not found");
 		return -EINVAL;
 	}
 
@@ -972,8 +994,10 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
 	name = nla_data(attrs[TIPC_NLA_BEARER_NAME]);
 
 	b = tipc_bearer_find(net, name);
-	if (!b)
+	if (!b) {
+		NL_SET_ERR_MSG(info->extack, "Bearer not found");
 		return -EINVAL;
+	}
 
 	if (attrs[TIPC_NLA_BEARER_PROP]) {
 		struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
@@ -992,12 +1016,18 @@ int __tipc_nl_bearer_set(struct sk_buff *skb, struct genl_info *info)
 		if (props[TIPC_NLA_PROP_WIN])
 			b->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
 		if (props[TIPC_NLA_PROP_MTU]) {
-			if (b->media->type_id != TIPC_MEDIA_TYPE_UDP)
+			if (b->media->type_id != TIPC_MEDIA_TYPE_UDP) {
+				NL_SET_ERR_MSG(info->extack,
+					       "MTU property is unsupported");
 				return -EINVAL;
+			}
 #ifdef CONFIG_TIPC_MEDIA_UDP
 			if (tipc_udp_mtu_bad(nla_get_u32
-					     (props[TIPC_NLA_PROP_MTU])))
+					     (props[TIPC_NLA_PROP_MTU]))) {
+				NL_SET_ERR_MSG(info->extack,
+					       "MTU value is out-of-range");
 				return -EINVAL;
+			}
 			b->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
 			tipc_node_apply_property(net, b, TIPC_NLA_PROP_MTU);
 #endif
@@ -1125,6 +1155,7 @@ int tipc_nl_media_get(struct sk_buff *skb, struct genl_info *info)
 	rtnl_lock();
 	media = tipc_media_find(name);
 	if (!media) {
+		NL_SET_ERR_MSG(info->extack, "Media not found");
 		err = -EINVAL;
 		goto err_out;
 	}
@@ -1161,9 +1192,10 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
 	name = nla_data(attrs[TIPC_NLA_MEDIA_NAME]);
 
 	m = tipc_media_find(name);
-	if (!m)
+	if (!m) {
+		NL_SET_ERR_MSG(info->extack, "Media not found");
 		return -EINVAL;
-
+	}
 	if (attrs[TIPC_NLA_MEDIA_PROP]) {
 		struct nlattr *props[TIPC_NLA_PROP_MAX + 1];
 
@@ -1179,12 +1211,18 @@ int __tipc_nl_media_set(struct sk_buff *skb, struct genl_info *info)
 		if (props[TIPC_NLA_PROP_WIN])
 			m->window = nla_get_u32(props[TIPC_NLA_PROP_WIN]);
 		if (props[TIPC_NLA_PROP_MTU]) {
-			if (m->type_id != TIPC_MEDIA_TYPE_UDP)
+			if (m->type_id != TIPC_MEDIA_TYPE_UDP) {
+				NL_SET_ERR_MSG(info->extack,
+					       "MTU property is unsupported");
 				return -EINVAL;
+			}
 #ifdef CONFIG_TIPC_MEDIA_UDP
 			if (tipc_udp_mtu_bad(nla_get_u32
-					     (props[TIPC_NLA_PROP_MTU])))
+					     (props[TIPC_NLA_PROP_MTU]))) {
+				NL_SET_ERR_MSG(info->extack,
+					       "MTU value is out-of-range");
 				return -EINVAL;
+			}
 			m->mtu = nla_get_u32(props[TIPC_NLA_PROP_MTU]);
 #endif
 		}
diff --git linux-libre-4.19.193-gnu/net/wireless/core.h linux-libre-4.19.194-gnu/net/wireless/core.h
index f5d58652108d..5f177dad2fa8 100644
--- linux-libre-4.19.193-gnu/net/wireless/core.h
+++ linux-libre-4.19.194-gnu/net/wireless/core.h
@@ -404,6 +404,8 @@ void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
 
 /* internal helpers */
 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
+bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
+			    int key_idx, bool pairwise);
 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 				   struct key_params *params, int key_idx,
 				   bool pairwise, const u8 *mac_addr);
diff --git linux-libre-4.19.193-gnu/net/wireless/nl80211.c linux-libre-4.19.194-gnu/net/wireless/nl80211.c
index 5f0605275fa3..04c4fd376e1d 100644
--- linux-libre-4.19.193-gnu/net/wireless/nl80211.c
+++ linux-libre-4.19.194-gnu/net/wireless/nl80211.c
@@ -3624,9 +3624,6 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 	if (err)
 		return err;
 
-	if (key.idx < 0)
-		return -EINVAL;
-
 	if (info->attrs[NL80211_ATTR_MAC])
 		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
 
@@ -3642,6 +3639,10 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
 	    key.type != NL80211_KEYTYPE_GROUP)
 		return -EINVAL;
 
+	if (!cfg80211_valid_key_idx(rdev, key.idx,
+				    key.type == NL80211_KEYTYPE_PAIRWISE))
+		return -EINVAL;
+
 	if (!rdev->ops->del_key)
 		return -EOPNOTSUPP;
 
diff --git linux-libre-4.19.193-gnu/net/wireless/util.c linux-libre-4.19.194-gnu/net/wireless/util.c
index 6f9cff2ee795..c4536468dfbe 100644
--- linux-libre-4.19.193-gnu/net/wireless/util.c
+++ linux-libre-4.19.194-gnu/net/wireless/util.c
@@ -214,11 +214,48 @@ bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher)
 	return false;
 }
 
+static bool
+cfg80211_igtk_cipher_supported(struct cfg80211_registered_device *rdev)
+{
+	struct wiphy *wiphy = &rdev->wiphy;
+	int i;
+
+	for (i = 0; i < wiphy->n_cipher_suites; i++) {
+		switch (wiphy->cipher_suites[i]) {
+		case WLAN_CIPHER_SUITE_AES_CMAC:
+		case WLAN_CIPHER_SUITE_BIP_CMAC_256:
+		case WLAN_CIPHER_SUITE_BIP_GMAC_128:
+		case WLAN_CIPHER_SUITE_BIP_GMAC_256:
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
+			    int key_idx, bool pairwise)
+{
+	int max_key_idx;
+
+	if (pairwise)
+		max_key_idx = 3;
+	else if (cfg80211_igtk_cipher_supported(rdev))
+		max_key_idx = 5;
+	else
+		max_key_idx = 3;
+
+	if (key_idx < 0 || key_idx > max_key_idx)
+		return false;
+
+	return true;
+}
+
 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
 				   struct key_params *params, int key_idx,
 				   bool pairwise, const u8 *mac_addr)
 {
-	if (key_idx < 0 || key_idx > 5)
+	if (!cfg80211_valid_key_idx(rdev, key_idx, pairwise))
 		return -EINVAL;
 
 	if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN))
diff --git linux-libre-4.19.193-gnu/samples/vfio-mdev/mdpy-fb.c linux-libre-4.19.194-gnu/samples/vfio-mdev/mdpy-fb.c
index 2719bb259653..a760e130bd0d 100644
--- linux-libre-4.19.193-gnu/samples/vfio-mdev/mdpy-fb.c
+++ linux-libre-4.19.194-gnu/samples/vfio-mdev/mdpy-fb.c
@@ -117,22 +117,27 @@ static int mdpy_fb_probe(struct pci_dev *pdev,
 	if (format != DRM_FORMAT_XRGB8888) {
 		pci_err(pdev, "format mismatch (0x%x != 0x%x)\n",
 			format, DRM_FORMAT_XRGB8888);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_release_regions;
 	}
 	if (width < 100	 || width > 10000) {
 		pci_err(pdev, "width (%d) out of range\n", width);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_release_regions;
 	}
 	if (height < 100 || height > 10000) {
 		pci_err(pdev, "height (%d) out of range\n", height);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto err_release_regions;
 	}
 	pci_info(pdev, "mdpy found: %dx%d framebuffer\n",
 		 width, height);
 
 	info = framebuffer_alloc(sizeof(struct mdpy_fb_par), &pdev->dev);
-	if (!info)
+	if (!info) {
+		ret = -ENOMEM;
 		goto err_release_regions;
+	}
 	pci_set_drvdata(pdev, info);
 	par = info->par;
 
diff --git linux-libre-4.19.193-gnu/sound/core/timer.c linux-libre-4.19.194-gnu/sound/core/timer.c
index b5dc51030316..b4fe1324b56c 100644
--- linux-libre-4.19.193-gnu/sound/core/timer.c
+++ linux-libre-4.19.194-gnu/sound/core/timer.c
@@ -500,9 +500,10 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
 		return;
 	if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
 		return;
+	event += 10; /* convert to SNDRV_TIMER_EVENT_MXXX */
 	list_for_each_entry(ts, &ti->slave_active_head, active_list)
 		if (ts->ccallback)
-			ts->ccallback(ts, event + 100, &tstamp, resolution);
+			ts->ccallback(ts, event, &tstamp, resolution);
 }
 
 /* start/continue a master timer */
diff --git linux-libre-4.19.193-gnu/sound/pci/hda/patch_realtek.c linux-libre-4.19.194-gnu/sound/pci/hda/patch_realtek.c
index f9ebbee3824b..42c30fba699f 100644
--- linux-libre-4.19.193-gnu/sound/pci/hda/patch_realtek.c
+++ linux-libre-4.19.194-gnu/sound/pci/hda/patch_realtek.c
@@ -7095,6 +7095,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x82bf, "HP G3 mini", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x103c, 0x82c0, "HP G3 mini premium", ALC221_FIXUP_HP_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x103c, 0x83b9, "HP Spectre x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
+	SND_PCI_QUIRK(0x103c, 0x841c, "HP Pavilion 15-CK0xx", ALC269_FIXUP_HP_MUTE_LED_MIC3),
 	SND_PCI_QUIRK(0x103c, 0x8497, "HP Envy x360", ALC269_FIXUP_HP_MUTE_LED_MIC3),
 	SND_PCI_QUIRK(0x103c, 0x84e7, "HP Pavilion 15", ALC269_FIXUP_HP_MUTE_LED_MIC3),
 	SND_PCI_QUIRK(0x103c, 0x8736, "HP", ALC285_FIXUP_HP_GPIO_LED),
diff --git linux-libre-4.19.193-gnu/sound/usb/mixer_quirks.c linux-libre-4.19.194-gnu/sound/usb/mixer_quirks.c
index 169679419b39..a74e07eff60c 100644
--- linux-libre-4.19.193-gnu/sound/usb/mixer_quirks.c
+++ linux-libre-4.19.194-gnu/sound/usb/mixer_quirks.c
@@ -1708,7 +1708,7 @@ static struct snd_kcontrol_new snd_microii_mixer_spdif[] = {
 static int snd_microii_controls_create(struct usb_mixer_interface *mixer)
 {
 	int err, i;
-	const static usb_mixer_elem_resume_func_t resume_funcs[] = {
+	static const usb_mixer_elem_resume_func_t resume_funcs[] = {
 		snd_microii_spdif_default_update,
 		NULL,
 		snd_microii_spdif_switch_update
diff --git linux-libre-4.19.193-gnu/tools/include/uapi/linux/bpf.h linux-libre-4.19.194-gnu/tools/include/uapi/linux/bpf.h
index 13944978ada5..9e060c6a01ac 100644
--- linux-libre-4.19.193-gnu/tools/include/uapi/linux/bpf.h
+++ linux-libre-4.19.194-gnu/tools/include/uapi/linux/bpf.h
@@ -226,6 +226,20 @@ enum bpf_attach_type {
  */
 #define BPF_F_STRICT_ALIGNMENT	(1U << 0)
 
+/* If BPF_F_ANY_ALIGNMENT is used in BPF_PROF_LOAD command, the
+ * verifier will allow any alignment whatsoever.  On platforms
+ * with strict alignment requirements for loads ands stores (such
+ * as sparc and mips) the verifier validates that all loads and
+ * stores provably follow this requirement.  This flag turns that
+ * checking and enforcement off.
+ *
+ * It is mostly used for testing when we want to validate the
+ * context and memory access aspects of the verifier, but because
+ * of an unaligned access the alignment check would trigger before
+ * the one we are interested in.
+ */
+#define BPF_F_ANY_ALIGNMENT	(1U << 1)
+
 /* when bpf_ldimm64->src_reg == BPF_PSEUDO_MAP_FD, bpf_ldimm64->imm == fd */
 #define BPF_PSEUDO_MAP_FD	1
 
diff --git linux-libre-4.19.193-gnu/tools/lib/bpf/bpf.c linux-libre-4.19.194-gnu/tools/lib/bpf/bpf.c
index 482025b72839..f28ae6a68697 100644
--- linux-libre-4.19.193-gnu/tools/lib/bpf/bpf.c
+++ linux-libre-4.19.194-gnu/tools/lib/bpf/bpf.c
@@ -261,9 +261,9 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
 }
 
 int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
-		       size_t insns_cnt, int strict_alignment,
-		       const char *license, __u32 kern_version,
-		       char *log_buf, size_t log_buf_sz, int log_level)
+		       size_t insns_cnt, __u32 prog_flags, const char *license,
+		       __u32 kern_version, char *log_buf, size_t log_buf_sz,
+		       int log_level)
 {
 	union bpf_attr attr;
 
@@ -277,7 +277,7 @@ int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
 	attr.log_level = log_level;
 	log_buf[0] = 0;
 	attr.kern_version = kern_version;
-	attr.prog_flags = strict_alignment ? BPF_F_STRICT_ALIGNMENT : 0;
+	attr.prog_flags = prog_flags;
 
 	return sys_bpf_prog_load(&attr, sizeof(attr));
 }
diff --git linux-libre-4.19.193-gnu/tools/lib/bpf/bpf.h linux-libre-4.19.194-gnu/tools/lib/bpf/bpf.h
index c3145ab3bdca..7f2e947d940c 100644
--- linux-libre-4.19.193-gnu/tools/lib/bpf/bpf.h
+++ linux-libre-4.19.194-gnu/tools/lib/bpf/bpf.h
@@ -79,7 +79,7 @@ int bpf_load_program(enum bpf_prog_type type, const struct bpf_insn *insns,
 		     __u32 kern_version, char *log_buf,
 		     size_t log_buf_sz);
 int bpf_verify_program(enum bpf_prog_type type, const struct bpf_insn *insns,
-		       size_t insns_cnt, int strict_alignment,
+		       size_t insns_cnt, __u32 prog_flags,
 		       const char *license, __u32 kern_version,
 		       char *log_buf, size_t log_buf_sz, int log_level);
 
diff --git linux-libre-4.19.193-gnu/tools/testing/selftests/bpf/test_align.c linux-libre-4.19.194-gnu/tools/testing/selftests/bpf/test_align.c
index 5f377ec53f2f..3c789d03b629 100644
--- linux-libre-4.19.193-gnu/tools/testing/selftests/bpf/test_align.c
+++ linux-libre-4.19.194-gnu/tools/testing/selftests/bpf/test_align.c
@@ -620,8 +620,8 @@ static int do_test_single(struct bpf_align_test *test)
 
 	prog_len = probe_filter_length(prog);
 	fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
-				     prog, prog_len, 1, "GPL", 0,
-				     bpf_vlog, sizeof(bpf_vlog), 2);
+				     prog, prog_len, BPF_F_STRICT_ALIGNMENT,
+				     "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 2);
 	if (fd_prog < 0 && test->result != REJECT) {
 		printf("Failed to load program.\n");
 		printf("%s", bpf_vlog);
diff --git linux-libre-4.19.193-gnu/tools/testing/selftests/bpf/test_verifier.c linux-libre-4.19.194-gnu/tools/testing/selftests/bpf/test_verifier.c
index e1e4b6ab83f7..b44324530948 100644
--- linux-libre-4.19.193-gnu/tools/testing/selftests/bpf/test_verifier.c
+++ linux-libre-4.19.194-gnu/tools/testing/selftests/bpf/test_verifier.c
@@ -70,7 +70,7 @@ struct bpf_test {
 	int fixup_cgroup_storage[MAX_FIXUPS];
 	const char *errstr;
 	const char *errstr_unpriv;
-	uint32_t retval;
+	uint32_t retval, retval_unpriv;
 	enum {
 		UNDEF,
 		ACCEPT,
@@ -963,6 +963,7 @@ static struct bpf_test tests[] = {
 		.errstr_unpriv = "attempt to corrupt spilled",
 		.errstr = "corrupted spill",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"invalid src register in STX",
@@ -1777,6 +1778,7 @@ static struct bpf_test tests[] = {
 		.errstr = "invalid bpf_context access",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_SK_MSG,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"invalid read past end of SK_MSG",
@@ -1799,6 +1801,7 @@ static struct bpf_test tests[] = {
 		.errstr = "invalid bpf_context access",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_SK_MSG,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet read for SK_MSG",
@@ -2175,6 +2178,7 @@ static struct bpf_test tests[] = {
 		},
 		.errstr = "invalid bpf_context access",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"check skb->hash half load not permitted, unaligned 3",
@@ -2191,6 +2195,7 @@ static struct bpf_test tests[] = {
 		},
 		.errstr = "invalid bpf_context access",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"check cb access: half, wrong type",
@@ -2986,6 +2991,8 @@ static struct bpf_test tests[] = {
 		.fixup_prog1 = { 2 },
 		.result = ACCEPT,
 		.retval = 42,
+		/* Verifier rewrite for unpriv skips tail call here. */
+		.retval_unpriv = 2,
 	},
 	{
 		"stack pointer arithmetic",
@@ -3149,6 +3156,7 @@ static struct bpf_test tests[] = {
 		.result = REJECT,
 		.errstr = "R0 invalid mem access 'inv'",
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"raw_stack: skb_load_bytes, spilled regs corruption 2",
@@ -3179,6 +3187,7 @@ static struct bpf_test tests[] = {
 		.result = REJECT,
 		.errstr = "R3 invalid mem access 'inv'",
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"raw_stack: skb_load_bytes, spilled regs + data",
@@ -3678,6 +3687,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R2 invalid mem access 'inv'",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test16 (arith on data_end)",
@@ -3780,6 +3790,7 @@ static struct bpf_test tests[] = {
 		},
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test21 (x += pkt_ptr, 2)",
@@ -3805,6 +3816,7 @@ static struct bpf_test tests[] = {
 		},
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test22 (x += pkt_ptr, 3)",
@@ -3835,6 +3847,7 @@ static struct bpf_test tests[] = {
 		},
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test23 (x += pkt_ptr, 4)",
@@ -3861,6 +3874,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = REJECT,
 		.errstr = "invalid access to packet, off=0 size=8, R5(id=1,off=0,r=0)",
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test24 (x += pkt_ptr, 5)",
@@ -3886,6 +3900,7 @@ static struct bpf_test tests[] = {
 		},
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"direct packet access: test25 (marking on <, good access)",
@@ -4765,6 +4780,7 @@ static struct bpf_test tests[] = {
 		.result = REJECT,
 		.errstr = "invalid access to map value, value_size=64 off=-2 size=4",
 		.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"invalid cgroup storage access 5",
@@ -4798,6 +4814,7 @@ static struct bpf_test tests[] = {
 		.fixup_cgroup_storage = { 1 },
 		.result = REJECT,
 		.errstr = "get_local_storage() doesn't support non-zero flags",
+		.errstr_unpriv = "R2 leaks addr into helper function",
 		.prog_type = BPF_PROG_TYPE_CGROUP_SKB,
 	},
 	{
@@ -6430,6 +6447,7 @@ static struct bpf_test tests[] = {
 		.errstr = "invalid mem access 'inv'",
 		.result = REJECT,
 		.result_unpriv = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"map element value illegal alu op, 5",
@@ -6452,6 +6470,7 @@ static struct bpf_test tests[] = {
 		.fixup_map2 = { 3 },
 		.errstr = "R0 invalid mem access 'inv'",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"map element value is preserved across register spilling",
@@ -6945,6 +6964,7 @@ static struct bpf_test tests[] = {
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.retval = 0 /* csum_diff of 64-byte packet */,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"helper access to variable memory: size = 0 not allowed on NULL (!ARG_PTR_TO_MEM_OR_NULL)",
@@ -8911,6 +8931,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' > pkt_end, bad access 1",
@@ -8948,6 +8969,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end > pkt_data', good access",
@@ -8986,6 +9008,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end > pkt_data', bad access 2",
@@ -9004,6 +9027,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' < pkt_end, good access",
@@ -9042,6 +9066,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' < pkt_end, bad access 2",
@@ -9060,6 +9085,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end < pkt_data', good access",
@@ -9077,6 +9103,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end < pkt_data', bad access 1",
@@ -9114,6 +9141,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' >= pkt_end, good access",
@@ -9150,6 +9178,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' >= pkt_end, bad access 2",
@@ -9187,6 +9216,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end >= pkt_data', bad access 1",
@@ -9225,6 +9255,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' <= pkt_end, good access",
@@ -9243,6 +9274,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data' <= pkt_end, bad access 1",
@@ -9281,6 +9313,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end <= pkt_data', good access",
@@ -9317,6 +9350,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_end <= pkt_data', bad access 2",
@@ -9353,6 +9387,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' > pkt_data, bad access 1",
@@ -9390,6 +9425,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data > pkt_meta', good access",
@@ -9428,6 +9464,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data > pkt_meta', bad access 2",
@@ -9446,6 +9483,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' < pkt_data, good access",
@@ -9484,6 +9522,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' < pkt_data, bad access 2",
@@ -9502,6 +9541,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data < pkt_meta', good access",
@@ -9519,6 +9559,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data < pkt_meta', bad access 1",
@@ -9556,6 +9597,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' >= pkt_data, good access",
@@ -9592,6 +9634,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' >= pkt_data, bad access 2",
@@ -9629,6 +9672,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data >= pkt_meta', bad access 1",
@@ -9667,6 +9711,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' <= pkt_data, good access",
@@ -9685,6 +9730,7 @@ static struct bpf_test tests[] = {
 		},
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_meta' <= pkt_data, bad access 1",
@@ -9723,6 +9769,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data <= pkt_meta', good access",
@@ -9759,6 +9806,7 @@ static struct bpf_test tests[] = {
 		.errstr = "R1 offset is outside of the packet",
 		.result = REJECT,
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"XDP pkt read, pkt_data <= pkt_meta', bad access 2",
@@ -9873,6 +9921,7 @@ static struct bpf_test tests[] = {
 		.errstr_unpriv = "R1 has pointer with unsupported alu operation",
 		.errstr = "dereference of modified ctx ptr",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"check deducing bounds from const, 8",
@@ -9887,6 +9936,7 @@ static struct bpf_test tests[] = {
 		.errstr_unpriv = "R1 has pointer with unsupported alu operation",
 		.errstr = "dereference of modified ctx ptr",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"check deducing bounds from const, 9",
@@ -10362,6 +10412,7 @@ static struct bpf_test tests[] = {
 		.result = REJECT,
 		.errstr = "R6 invalid mem access 'inv'",
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: two calls with args",
@@ -11227,6 +11278,7 @@ static struct bpf_test tests[] = {
 		.fixup_map1 = { 12, 22 },
 		.result = REJECT,
 		.errstr = "invalid access to map value, value_size=8 off=2 size=8",
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: two calls that receive map_value via arg=ptr_stack_of_caller. test2",
@@ -11370,6 +11422,7 @@ static struct bpf_test tests[] = {
 		.fixup_map1 = { 12, 22 },
 		.result = REJECT,
 		.errstr = "invalid access to map value, value_size=8 off=2 size=8",
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: two calls that receive map_value_ptr_or_null via arg. test1",
@@ -11541,6 +11594,7 @@ static struct bpf_test tests[] = {
 		.result = ACCEPT,
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.retval = POINTER_VALUE,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 2",
@@ -11572,6 +11626,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.errstr = "invalid access to packet",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 3",
@@ -11607,6 +11662,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
 		.retval = 1,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 4",
@@ -11641,6 +11697,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
 		.retval = 1,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 5",
@@ -11674,6 +11731,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.errstr = "same insn cannot be used with different",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 6",
@@ -11709,6 +11767,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.errstr = "R4 invalid mem access",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 7",
@@ -11743,6 +11802,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.errstr = "R4 invalid mem access",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 8",
@@ -11783,6 +11843,7 @@ static struct bpf_test tests[] = {
 		},
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.result = ACCEPT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: pkt_ptr spill into caller stack 9",
@@ -11824,6 +11885,7 @@ static struct bpf_test tests[] = {
 		.prog_type = BPF_PROG_TYPE_SCHED_CLS,
 		.errstr = "invalid access to packet",
 		.result = REJECT,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"calls: caller stack init to zero or map_value_or_null",
@@ -12189,6 +12251,7 @@ static struct bpf_test tests[] = {
 		.result = REJECT,
 		.errstr = "BPF_XADD stores into R2 packet",
 		.prog_type = BPF_PROG_TYPE_XDP,
+		.flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS,
 	},
 	{
 		"xadd/w check whether src/dst got mangled, 1",
@@ -12628,18 +12691,18 @@ static int create_map(uint32_t type, uint32_t size_key,
 	return fd;
 }
 
-static int create_prog_dummy1(void)
+static int create_prog_dummy1(enum bpf_map_type prog_type)
 {
 	struct bpf_insn prog[] = {
 		BPF_MOV64_IMM(BPF_REG_0, 42),
 		BPF_EXIT_INSN(),
 	};
 
-	return bpf_load_program(BPF_PROG_TYPE_SOCKET_FILTER, prog,
+	return bpf_load_program(prog_type, prog,
 				ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
 }
 
-static int create_prog_dummy2(int mfd, int idx)
+static int create_prog_dummy2(enum bpf_map_type prog_type, int mfd, int idx)
 {
 	struct bpf_insn prog[] = {
 		BPF_MOV64_IMM(BPF_REG_3, idx),
@@ -12650,11 +12713,12 @@ static int create_prog_dummy2(int mfd, int idx)
 		BPF_EXIT_INSN(),
 	};
 
-	return bpf_load_program(BPF_PROG_TYPE_SOCKET_FILTER, prog,
+	return bpf_load_program(prog_type, prog,
 				ARRAY_SIZE(prog), "GPL", 0, NULL, 0);
 }
 
-static int create_prog_array(uint32_t max_elem, int p1key)
+static int create_prog_array(enum bpf_map_type prog_type, uint32_t max_elem,
+			     int p1key)
 {
 	int p2key = 1;
 	int mfd, p1fd, p2fd;
@@ -12666,8 +12730,8 @@ static int create_prog_array(uint32_t max_elem, int p1key)
 		return -1;
 	}
 
-	p1fd = create_prog_dummy1();
-	p2fd = create_prog_dummy2(mfd, p2key);
+	p1fd = create_prog_dummy1(prog_type);
+	p2fd = create_prog_dummy2(prog_type, mfd, p2key);
 	if (p1fd < 0 || p2fd < 0)
 		goto out;
 	if (bpf_map_update_elem(mfd, &p1key, &p1fd, BPF_ANY) < 0)
@@ -12722,8 +12786,8 @@ static int create_cgroup_storage(void)
 
 static char bpf_vlog[UINT_MAX >> 8];
 
-static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog,
-			  int *map_fds)
+static void do_test_fixup(struct bpf_test *test, enum bpf_map_type prog_type,
+			  struct bpf_insn *prog, int *map_fds)
 {
 	int *fixup_map1 = test->fixup_map1;
 	int *fixup_map2 = test->fixup_map2;
@@ -12778,7 +12842,7 @@ static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog,
 	}
 
 	if (*fixup_prog1) {
-		map_fds[4] = create_prog_array(4, 0);
+		map_fds[4] = create_prog_array(prog_type, 4, 0);
 		do {
 			prog[*fixup_prog1].imm = map_fds[4];
 			fixup_prog1++;
@@ -12786,7 +12850,7 @@ static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog,
 	}
 
 	if (*fixup_prog2) {
-		map_fds[5] = create_prog_array(8, 7);
+		map_fds[5] = create_prog_array(prog_type, 8, 7);
 		do {
 			prog[*fixup_prog2].imm = map_fds[5];
 			fixup_prog2++;
@@ -12810,54 +12874,90 @@ static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog,
 	}
 }
 
+static int set_admin(bool admin)
+{
+	cap_t caps;
+	const cap_value_t cap_val = CAP_SYS_ADMIN;
+	int ret = -1;
+
+	caps = cap_get_proc();
+	if (!caps) {
+		perror("cap_get_proc");
+		return -1;
+	}
+	if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_val,
+				admin ? CAP_SET : CAP_CLEAR)) {
+		perror("cap_set_flag");
+		goto out;
+	}
+	if (cap_set_proc(caps)) {
+		perror("cap_set_proc");
+		goto out;
+	}
+	ret = 0;
+out:
+	if (cap_free(caps))
+		perror("cap_free");
+	return ret;
+}
+
 static void do_test_single(struct bpf_test *test, bool unpriv,
 			   int *passes, int *errors)
 {
-	int fd_prog, expected_ret, reject_from_alignment;
+	int fd_prog, expected_ret, alignment_prevented_execution;
 	int prog_len, prog_type = test->prog_type;
 	struct bpf_insn *prog = test->insns;
 	int map_fds[MAX_NR_MAPS];
 	const char *expected_err;
+	uint32_t expected_val;
 	uint32_t retval;
+	__u32 pflags;
 	int i, err;
 
 	for (i = 0; i < MAX_NR_MAPS; i++)
 		map_fds[i] = -1;
 
-	do_test_fixup(test, prog, map_fds);
+	if (!prog_type)
+		prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+	do_test_fixup(test, prog_type, prog, map_fds);
 	prog_len = probe_filter_length(prog);
 
-	fd_prog = bpf_verify_program(prog_type ? : BPF_PROG_TYPE_SOCKET_FILTER,
-				     prog, prog_len, test->flags & F_LOAD_WITH_STRICT_ALIGNMENT,
+	pflags = 0;
+	if (test->flags & F_LOAD_WITH_STRICT_ALIGNMENT)
+		pflags |= BPF_F_STRICT_ALIGNMENT;
+	if (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)
+		pflags |= BPF_F_ANY_ALIGNMENT;
+	fd_prog = bpf_verify_program(prog_type, prog, prog_len, pflags,
 				     "GPL", 0, bpf_vlog, sizeof(bpf_vlog), 1);
 
 	expected_ret = unpriv && test->result_unpriv != UNDEF ?
 		       test->result_unpriv : test->result;
 	expected_err = unpriv && test->errstr_unpriv ?
 		       test->errstr_unpriv : test->errstr;
+	expected_val = unpriv && test->retval_unpriv ?
+		       test->retval_unpriv : test->retval;
+
+	alignment_prevented_execution = 0;
 
-	reject_from_alignment = fd_prog < 0 &&
-				(test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS) &&
-				strstr(bpf_vlog, "misaligned");
-#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-	if (reject_from_alignment) {
-		printf("FAIL\nFailed due to alignment despite having efficient unaligned access: '%s'!\n",
-		       strerror(errno));
-		goto fail_log;
-	}
-#endif
 	if (expected_ret == ACCEPT) {
-		if (fd_prog < 0 && !reject_from_alignment) {
+		if (fd_prog < 0) {
 			printf("FAIL\nFailed to load prog '%s'!\n",
 			       strerror(errno));
 			goto fail_log;
 		}
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+		if (fd_prog >= 0 &&
+		    (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)) {
+			alignment_prevented_execution = 1;
+			goto test_ok;
+		}
+#endif
 	} else {
 		if (fd_prog >= 0) {
 			printf("FAIL\nUnexpected success to load!\n");
 			goto fail_log;
 		}
-		if (!strstr(bpf_vlog, expected_err) && !reject_from_alignment) {
+		if (!strstr(bpf_vlog, expected_err)) {
 			printf("FAIL\nUnexpected error message!\n\tEXP: %s\n\tRES: %s\n",
 			      expected_err, bpf_vlog);
 			goto fail_log;
@@ -12868,22 +12968,29 @@ static void do_test_single(struct bpf_test *test, bool unpriv,
 		__u8 tmp[TEST_DATA_LEN << 2];
 		__u32 size_tmp = sizeof(tmp);
 
+		if (unpriv)
+			set_admin(true);
 		err = bpf_prog_test_run(fd_prog, 1, test->data,
 					sizeof(test->data), tmp, &size_tmp,
 					&retval, NULL);
+		if (unpriv)
+			set_admin(false);
 		if (err && errno != 524/*ENOTSUPP*/ && errno != EPERM) {
 			printf("Unexpected bpf_prog_test_run error\n");
 			goto fail_log;
 		}
-		if (!err && retval != test->retval &&
-		    test->retval != POINTER_VALUE) {
-			printf("FAIL retval %d != %d\n", retval, test->retval);
+		if (!err && retval != expected_val &&
+		    expected_val != POINTER_VALUE) {
+			printf("FAIL retval %d != %d\n", retval, expected_val);
 			goto fail_log;
 		}
 	}
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+test_ok:
+#endif
 	(*passes)++;
-	printf("OK%s\n", reject_from_alignment ?
-	       " (NOTE: reject due to unknown alignment)" : "");
+	printf("OK%s\n", alignment_prevented_execution ?
+	       " (NOTE: not executed due to unknown alignment)" : "");
 close_fds:
 	close(fd_prog);
 	for (i = 0; i < MAX_NR_MAPS; i++)
@@ -12920,33 +13027,6 @@ static bool is_admin(void)
 	return (sysadmin == CAP_SET);
 }
 
-static int set_admin(bool admin)
-{
-	cap_t caps;
-	const cap_value_t cap_val = CAP_SYS_ADMIN;
-	int ret = -1;
-
-	caps = cap_get_proc();
-	if (!caps) {
-		perror("cap_get_proc");
-		return -1;
-	}
-	if (cap_set_flag(caps, CAP_EFFECTIVE, 1, &cap_val,
-				admin ? CAP_SET : CAP_CLEAR)) {
-		perror("cap_set_flag");
-		goto out;
-	}
-	if (cap_set_proc(caps)) {
-		perror("cap_set_proc");
-		goto out;
-	}
-	ret = 0;
-out:
-	if (cap_free(caps))
-		perror("cap_free");
-	return ret;
-}
-
 static void get_unpriv_disabled()
 {
 	char buf[2];
@@ -12963,6 +13043,26 @@ static void get_unpriv_disabled()
 	fclose(fd);
 }
 
+static bool test_as_unpriv(struct bpf_test *test)
+{
+#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	/* Some architectures have strict alignment requirements. In
+	 * that case, the BPF verifier detects if a program has
+	 * unaligned accesses and rejects them. A user can pass
+	 * BPF_F_ANY_ALIGNMENT to a program to override this
+	 * check. That, however, will only work when a privileged user
+	 * loads a program. An unprivileged user loading a program
+	 * with this flag will be rejected prior entering the
+	 * verifier.
+	 */
+	if (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS)
+		return false;
+#endif
+	return !test->prog_type ||
+	       test->prog_type == BPF_PROG_TYPE_SOCKET_FILTER ||
+	       test->prog_type == BPF_PROG_TYPE_CGROUP_SKB;
+}
+
 static int do_test(bool unpriv, unsigned int from, unsigned int to)
 {
 	int i, passes = 0, errors = 0, skips = 0;
@@ -12973,10 +13073,10 @@ static int do_test(bool unpriv, unsigned int from, unsigned int to)
 		/* Program types that are not supported by non-root we
 		 * skip right away.
 		 */
-		if (!test->prog_type && unpriv_disabled) {
+		if (test_as_unpriv(test) && unpriv_disabled) {
 			printf("#%d/u %s SKIP\n", i, test->descr);
 			skips++;
-		} else if (!test->prog_type) {
+		} else if (test_as_unpriv(test)) {
 			if (!unpriv)
 				set_admin(false);
 			printf("#%d/u %s ", i, test->descr);
