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-rw-r--r--0000_README4
-rw-r--r--1038_linux-4.9.39.patch2585
2 files changed, 2589 insertions, 0 deletions
diff --git a/0000_README b/0000_README
index f33f1cff..bb2a23c3 100644
--- a/0000_README
+++ b/0000_README
@@ -195,6 +195,10 @@ Patch: 1037_linux-4.9.38.patch
From: http://www.kernel.org
Desc: Linux 4.9.38
+Patch: 1038_linux-4.9.39.patch
+From: http://www.kernel.org
+Desc: Linux 4.9.39
+
Patch: 1500_XATTR_USER_PREFIX.patch
From: https://bugs.gentoo.org/show_bug.cgi?id=470644
Desc: Support for namespace user.pax.* on tmpfs.
diff --git a/1038_linux-4.9.39.patch b/1038_linux-4.9.39.patch
new file mode 100644
index 00000000..1435cccf
--- /dev/null
+++ b/1038_linux-4.9.39.patch
@@ -0,0 +1,2585 @@
+diff --git a/Makefile b/Makefile
+index ad0c045d36cd..a872ece51ee5 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 4
+ PATCHLEVEL = 9
+-SUBLEVEL = 38
++SUBLEVEL = 39
+ EXTRAVERSION =
+ NAME = Roaring Lionus
+
+diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
+index d2315ffd8f12..f13ae153fb24 100644
+--- a/arch/arm/include/asm/elf.h
++++ b/arch/arm/include/asm/elf.h
+@@ -112,12 +112,8 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
+ #define CORE_DUMP_USE_REGSET
+ #define ELF_EXEC_PAGESIZE 4096
+
+-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+- use of this is to invoke "./ld.so someprog" to test out a new version of
+- the loader. We need to make sure that it is out of the way of the program
+- that it will "exec", and that there is sufficient room for the brk. */
+-
+-#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
++/* This is the base location for PIE (ET_DYN with INTERP) loads. */
++#define ELF_ET_DYN_BASE 0x400000UL
+
+ /* When the program starts, a1 contains a pointer to a function to be
+ registered with atexit, as per the SVR4 ABI. A value of 0 means we
+diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+index e9bd58793464..49a5d8ccae27 100644
+--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
++++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+@@ -75,14 +75,10 @@
+
+ timer {
+ compatible = "arm,armv8-timer";
+- interrupts = <GIC_PPI 13
+- (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
+- <GIC_PPI 14
+- (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
+- <GIC_PPI 11
+- (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
+- <GIC_PPI 10
+- (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
++ interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>,
++ <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>,
++ <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>,
++ <GIC_PPI 10 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ soc {
+diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
+index a55384f4a5d7..afa23b057def 100644
+--- a/arch/arm64/include/asm/elf.h
++++ b/arch/arm64/include/asm/elf.h
+@@ -113,12 +113,11 @@
+ #define ELF_EXEC_PAGESIZE PAGE_SIZE
+
+ /*
+- * This is the location that an ET_DYN program is loaded if exec'ed. Typical
+- * use of this is to invoke "./ld.so someprog" to test out a new version of
+- * the loader. We need to make sure that it is out of the way of the program
+- * that it will "exec", and that there is sufficient room for the brk.
++ * This is the base location for PIE (ET_DYN with INTERP) loads. On
++ * 64-bit, this is raised to 4GB to leave the entire 32-bit address
++ * space open for things that want to use the area for 32-bit pointers.
+ */
+-#define ELF_ET_DYN_BASE (2 * TASK_SIZE_64 / 3)
++#define ELF_ET_DYN_BASE 0x100000000UL
+
+ #ifndef __ASSEMBLY__
+
+@@ -169,7 +168,8 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+
+ #ifdef CONFIG_COMPAT
+
+-#define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3)
++/* PIE load location for compat arm. Must match ARM ELF_ET_DYN_BASE. */
++#define COMPAT_ELF_ET_DYN_BASE 0x000400000UL
+
+ /* AArch32 registers. */
+ #define COMPAT_ELF_NGREG 18
+diff --git a/arch/parisc/include/asm/dma-mapping.h b/arch/parisc/include/asm/dma-mapping.h
+index 16e024602737..cb7697dec294 100644
+--- a/arch/parisc/include/asm/dma-mapping.h
++++ b/arch/parisc/include/asm/dma-mapping.h
+@@ -20,6 +20,8 @@
+ ** flush/purge and allocate "regular" cacheable pages for everything.
+ */
+
++#define DMA_ERROR_CODE (~(dma_addr_t)0)
++
+ #ifdef CONFIG_PA11
+ extern struct dma_map_ops pcxl_dma_ops;
+ extern struct dma_map_ops pcx_dma_ops;
+@@ -54,12 +56,13 @@ parisc_walk_tree(struct device *dev)
+ break;
+ }
+ }
+- BUG_ON(!dev->platform_data);
+ return dev->platform_data;
+ }
+-
+-#define GET_IOC(dev) (HBA_DATA(parisc_walk_tree(dev))->iommu)
+-
++
++#define GET_IOC(dev) ({ \
++ void *__pdata = parisc_walk_tree(dev); \
++ __pdata ? HBA_DATA(__pdata)->iommu : NULL; \
++})
+
+ #ifdef CONFIG_IOMMU_CCIO
+ struct parisc_device;
+diff --git a/arch/parisc/include/asm/mmu_context.h b/arch/parisc/include/asm/mmu_context.h
+index 59be25764433..a81226257878 100644
+--- a/arch/parisc/include/asm/mmu_context.h
++++ b/arch/parisc/include/asm/mmu_context.h
+@@ -49,15 +49,26 @@ static inline void load_context(mm_context_t context)
+ mtctl(__space_to_prot(context), 8);
+ }
+
+-static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, struct task_struct *tsk)
++static inline void switch_mm_irqs_off(struct mm_struct *prev,
++ struct mm_struct *next, struct task_struct *tsk)
+ {
+-
+ if (prev != next) {
+ mtctl(__pa(next->pgd), 25);
+ load_context(next->context);
+ }
+ }
+
++static inline void switch_mm(struct mm_struct *prev,
++ struct mm_struct *next, struct task_struct *tsk)
++{
++ unsigned long flags;
++
++ local_irq_save(flags);
++ switch_mm_irqs_off(prev, next, tsk);
++ local_irq_restore(flags);
++}
++#define switch_mm_irqs_off switch_mm_irqs_off
++
+ #define deactivate_mm(tsk,mm) do { } while (0)
+
+ static inline void activate_mm(struct mm_struct *prev, struct mm_struct *next)
+diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
+index 3cfef1de8061..8ec2ff8fae0d 100644
+--- a/arch/parisc/kernel/syscall_table.S
++++ b/arch/parisc/kernel/syscall_table.S
+@@ -361,7 +361,7 @@
+ ENTRY_SAME(ni_syscall) /* 263: reserved for vserver */
+ ENTRY_SAME(add_key)
+ ENTRY_SAME(request_key) /* 265 */
+- ENTRY_SAME(keyctl)
++ ENTRY_COMP(keyctl)
+ ENTRY_SAME(ioprio_set)
+ ENTRY_SAME(ioprio_get)
+ ENTRY_SAME(inotify_init)
+diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
+index 040c48fc5391..b6f3b5e98810 100644
+--- a/arch/parisc/mm/fault.c
++++ b/arch/parisc/mm/fault.c
+@@ -366,7 +366,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
+ case 15: /* Data TLB miss fault/Data page fault */
+ /* send SIGSEGV when outside of vma */
+ if (!vma ||
+- address < vma->vm_start || address > vma->vm_end) {
++ address < vma->vm_start || address >= vma->vm_end) {
+ si.si_signo = SIGSEGV;
+ si.si_code = SEGV_MAPERR;
+ break;
+diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
+index ee46ffef608e..743ad7a400d6 100644
+--- a/arch/powerpc/include/asm/elf.h
++++ b/arch/powerpc/include/asm/elf.h
+@@ -23,12 +23,13 @@
+ #define CORE_DUMP_USE_REGSET
+ #define ELF_EXEC_PAGESIZE PAGE_SIZE
+
+-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+- use of this is to invoke "./ld.so someprog" to test out a new version of
+- the loader. We need to make sure that it is out of the way of the program
+- that it will "exec", and that there is sufficient room for the brk. */
+-
+-#define ELF_ET_DYN_BASE 0x20000000
++/*
++ * This is the base location for PIE (ET_DYN with INTERP) loads. On
++ * 64-bit, this is raised to 4GB to leave the entire 32-bit address
++ * space open for things that want to use the area for 32-bit pointers.
++ */
++#define ELF_ET_DYN_BASE (is_32bit_task() ? 0x000400000UL : \
++ 0x100000000UL)
+
+ #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0)
+
+diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
+index 1736c7d3c94c..8d665f1b29f8 100644
+--- a/arch/s390/include/asm/elf.h
++++ b/arch/s390/include/asm/elf.h
+@@ -158,14 +158,13 @@ extern unsigned int vdso_enabled;
+ #define CORE_DUMP_USE_REGSET
+ #define ELF_EXEC_PAGESIZE 4096
+
+-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+- use of this is to invoke "./ld.so someprog" to test out a new version of
+- the loader. We need to make sure that it is out of the way of the program
+- that it will "exec", and that there is sufficient room for the brk. 64-bit
+- tasks are aligned to 4GB. */
+-#define ELF_ET_DYN_BASE (is_compat_task() ? \
+- (STACK_TOP / 3 * 2) : \
+- (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1))
++/*
++ * This is the base location for PIE (ET_DYN with INTERP) loads. On
++ * 64-bit, this is raised to 4GB to leave the entire 32-bit address
++ * space open for things that want to use the area for 32-bit pointers.
++ */
++#define ELF_ET_DYN_BASE (is_compat_task() ? 0x000400000UL : \
++ 0x100000000UL)
+
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. */
+diff --git a/arch/x86/crypto/sha1_ssse3_glue.c b/arch/x86/crypto/sha1_ssse3_glue.c
+index fc61739150e7..f960a043cdeb 100644
+--- a/arch/x86/crypto/sha1_ssse3_glue.c
++++ b/arch/x86/crypto/sha1_ssse3_glue.c
+@@ -201,7 +201,7 @@ asmlinkage void sha1_transform_avx2(u32 *digest, const char *data,
+
+ static bool avx2_usable(void)
+ {
+- if (avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
++ if (false && avx_usable() && boot_cpu_has(X86_FEATURE_AVX2)
+ && boot_cpu_has(X86_FEATURE_BMI1)
+ && boot_cpu_has(X86_FEATURE_BMI2))
+ return true;
+diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
+index 94aad6364b47..c152db2ab687 100644
+--- a/arch/x86/include/asm/elf.h
++++ b/arch/x86/include/asm/elf.h
+@@ -245,12 +245,13 @@ extern int force_personality32;
+ #define CORE_DUMP_USE_REGSET
+ #define ELF_EXEC_PAGESIZE 4096
+
+-/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
+- use of this is to invoke "./ld.so someprog" to test out a new version of
+- the loader. We need to make sure that it is out of the way of the program
+- that it will "exec", and that there is sufficient room for the brk. */
+-
+-#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2)
++/*
++ * This is the base location for PIE (ET_DYN with INTERP) loads. On
++ * 64-bit, this is raised to 4GB to leave the entire 32-bit address
++ * space open for things that want to use the area for 32-bit pointers.
++ */
++#define ELF_ET_DYN_BASE (mmap_is_ia32() ? 0x000400000UL : \
++ 0x100000000UL)
+
+ /* This yields a mask that user programs can use to figure out what
+ instruction set this CPU supports. This could be done in user space,
+diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
+index 78f3760ca1f2..b601ddac5719 100644
+--- a/arch/x86/include/asm/msr-index.h
++++ b/arch/x86/include/asm/msr-index.h
+@@ -405,6 +405,8 @@
+ #define MSR_IA32_TSC_ADJUST 0x0000003b
+ #define MSR_IA32_BNDCFGS 0x00000d90
+
++#define MSR_IA32_BNDCFGS_RSVD 0x00000ffc
++
+ #define MSR_IA32_XSS 0x00000da0
+
+ #define FEATURE_CONTROL_LOCKED (1<<0)
+diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
+index 35058c2c0eea..9368fecca3ee 100644
+--- a/arch/x86/kvm/cpuid.h
++++ b/arch/x86/kvm/cpuid.h
+@@ -144,6 +144,14 @@ static inline bool guest_cpuid_has_rtm(struct kvm_vcpu *vcpu)
+ return best && (best->ebx & bit(X86_FEATURE_RTM));
+ }
+
++static inline bool guest_cpuid_has_mpx(struct kvm_vcpu *vcpu)
++{
++ struct kvm_cpuid_entry2 *best;
++
++ best = kvm_find_cpuid_entry(vcpu, 7, 0);
++ return best && (best->ebx & bit(X86_FEATURE_MPX));
++}
++
+ static inline bool guest_cpuid_has_rdtscp(struct kvm_vcpu *vcpu)
+ {
+ struct kvm_cpuid_entry2 *best;
+diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
+index 04e6bbbd8736..3dc6d8017ce9 100644
+--- a/arch/x86/kvm/vmx.c
++++ b/arch/x86/kvm/vmx.c
+@@ -2987,7 +2987,8 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ msr_info->data = vmcs_readl(GUEST_SYSENTER_ESP);
+ break;
+ case MSR_IA32_BNDCFGS:
+- if (!kvm_mpx_supported())
++ if (!kvm_mpx_supported() ||
++ (!msr_info->host_initiated && !guest_cpuid_has_mpx(vcpu)))
+ return 1;
+ msr_info->data = vmcs_read64(GUEST_BNDCFGS);
+ break;
+@@ -3069,7 +3070,11 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
+ vmcs_writel(GUEST_SYSENTER_ESP, data);
+ break;
+ case MSR_IA32_BNDCFGS:
+- if (!kvm_mpx_supported())
++ if (!kvm_mpx_supported() ||
++ (!msr_info->host_initiated && !guest_cpuid_has_mpx(vcpu)))
++ return 1;
++ if (is_noncanonical_address(data & PAGE_MASK) ||
++ (data & MSR_IA32_BNDCFGS_RSVD))
+ return 1;
+ vmcs_write64(GUEST_BNDCFGS, data);
+ break;
+@@ -6474,7 +6479,6 @@ static __init int hardware_setup(void)
+ vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_CS, false);
+ vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_ESP, false);
+ vmx_disable_intercept_for_msr(MSR_IA32_SYSENTER_EIP, false);
+- vmx_disable_intercept_for_msr(MSR_IA32_BNDCFGS, true);
+
+ memcpy(vmx_msr_bitmap_legacy_x2apic,
+ vmx_msr_bitmap_legacy, PAGE_SIZE);
+diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
+index a7b46798c81d..39efa7e6c0c0 100644
+--- a/drivers/base/power/sysfs.c
++++ b/drivers/base/power/sysfs.c
+@@ -268,6 +268,8 @@ static ssize_t pm_qos_latency_tolerance_store(struct device *dev,
+ value = PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT;
+ else if (!strcmp(buf, "any") || !strcmp(buf, "any\n"))
+ value = PM_QOS_LATENCY_ANY;
++ else
++ return -EINVAL;
+ }
+ ret = dev_pm_qos_update_user_latency_tolerance(dev, value);
+ return ret < 0 ? ret : n;
+diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
+index 62e4de2aa8d1..f98121f11f7c 100644
+--- a/drivers/base/power/wakeup.c
++++ b/drivers/base/power/wakeup.c
+@@ -60,6 +60,8 @@ static LIST_HEAD(wakeup_sources);
+
+ static DECLARE_WAIT_QUEUE_HEAD(wakeup_count_wait_queue);
+
++DEFINE_STATIC_SRCU(wakeup_srcu);
++
+ static struct wakeup_source deleted_ws = {
+ .name = "deleted",
+ .lock = __SPIN_LOCK_UNLOCKED(deleted_ws.lock),
+@@ -198,7 +200,7 @@ void wakeup_source_remove(struct wakeup_source *ws)
+ spin_lock_irqsave(&events_lock, flags);
+ list_del_rcu(&ws->entry);
+ spin_unlock_irqrestore(&events_lock, flags);
+- synchronize_rcu();
++ synchronize_srcu(&wakeup_srcu);
+ }
+ EXPORT_SYMBOL_GPL(wakeup_source_remove);
+
+@@ -332,12 +334,12 @@ void device_wakeup_detach_irq(struct device *dev)
+ void device_wakeup_arm_wake_irqs(void)
+ {
+ struct wakeup_source *ws;
++ int srcuidx;
+
+- rcu_read_lock();
++ srcuidx = srcu_read_lock(&wakeup_srcu);
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry)
+ dev_pm_arm_wake_irq(ws->wakeirq);
+-
+- rcu_read_unlock();
++ srcu_read_unlock(&wakeup_srcu, srcuidx);
+ }
+
+ /**
+@@ -348,12 +350,12 @@ void device_wakeup_arm_wake_irqs(void)
+ void device_wakeup_disarm_wake_irqs(void)
+ {
+ struct wakeup_source *ws;
++ int srcuidx;
+
+- rcu_read_lock();
++ srcuidx = srcu_read_lock(&wakeup_srcu);
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry)
+ dev_pm_disarm_wake_irq(ws->wakeirq);
+-
+- rcu_read_unlock();
++ srcu_read_unlock(&wakeup_srcu, srcuidx);
+ }
+
+ /**
+@@ -805,10 +807,10 @@ EXPORT_SYMBOL_GPL(pm_wakeup_event);
+ void pm_print_active_wakeup_sources(void)
+ {
+ struct wakeup_source *ws;
+- int active = 0;
++ int srcuidx, active = 0;
+ struct wakeup_source *last_activity_ws = NULL;
+
+- rcu_read_lock();
++ srcuidx = srcu_read_lock(&wakeup_srcu);
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry) {
+ if (ws->active) {
+ pr_info("active wakeup source: %s\n", ws->name);
+@@ -824,7 +826,7 @@ void pm_print_active_wakeup_sources(void)
+ if (!active && last_activity_ws)
+ pr_info("last active wakeup source: %s\n",
+ last_activity_ws->name);
+- rcu_read_unlock();
++ srcu_read_unlock(&wakeup_srcu, srcuidx);
+ }
+ EXPORT_SYMBOL_GPL(pm_print_active_wakeup_sources);
+
+@@ -951,8 +953,9 @@ void pm_wakep_autosleep_enabled(bool set)
+ {
+ struct wakeup_source *ws;
+ ktime_t now = ktime_get();
++ int srcuidx;
+
+- rcu_read_lock();
++ srcuidx = srcu_read_lock(&wakeup_srcu);
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry) {
+ spin_lock_irq(&ws->lock);
+ if (ws->autosleep_enabled != set) {
+@@ -966,7 +969,7 @@ void pm_wakep_autosleep_enabled(bool set)
+ }
+ spin_unlock_irq(&ws->lock);
+ }
+- rcu_read_unlock();
++ srcu_read_unlock(&wakeup_srcu, srcuidx);
+ }
+ #endif /* CONFIG_PM_AUTOSLEEP */
+
+@@ -1027,15 +1030,16 @@ static int print_wakeup_source_stats(struct seq_file *m,
+ static int wakeup_sources_stats_show(struct seq_file *m, void *unused)
+ {
+ struct wakeup_source *ws;
++ int srcuidx;
+
+ seq_puts(m, "name\t\tactive_count\tevent_count\twakeup_count\t"
+ "expire_count\tactive_since\ttotal_time\tmax_time\t"
+ "last_change\tprevent_suspend_time\n");
+
+- rcu_read_lock();
++ srcuidx = srcu_read_lock(&wakeup_srcu);
+ list_for_each_entry_rcu(ws, &wakeup_sources, entry)
+ print_wakeup_source_stats(m, ws);
+- rcu_read_unlock();
++ srcu_read_unlock(&wakeup_srcu, srcuidx);
+
+ print_wakeup_source_stats(m, &deleted_ws);
+
+diff --git a/drivers/crypto/atmel-sha.c b/drivers/crypto/atmel-sha.c
+index 97e34799e077..6fcf25f795d4 100644
+--- a/drivers/crypto/atmel-sha.c
++++ b/drivers/crypto/atmel-sha.c
+@@ -1000,7 +1000,9 @@ static int atmel_sha_finup(struct ahash_request *req)
+ ctx->flags |= SHA_FLAGS_FINUP;
+
+ err1 = atmel_sha_update(req);
+- if (err1 == -EINPROGRESS || err1 == -EBUSY)
++ if (err1 == -EINPROGRESS ||
++ (err1 == -EBUSY && (ahash_request_flags(req) &
++ CRYPTO_TFM_REQ_MAY_BACKLOG)))
+ return err1;
+
+ /*
+diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
+index 3bda6e5e2a45..0d743c634f25 100644
+--- a/drivers/crypto/caam/caamalg.c
++++ b/drivers/crypto/caam/caamalg.c
+@@ -2014,10 +2014,10 @@ static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
+ {
+ struct ablkcipher_request *req = context;
+ struct ablkcipher_edesc *edesc;
+-#ifdef DEBUG
+ struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+ int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
++#ifdef DEBUG
+ dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+ #endif
+
+@@ -2037,6 +2037,14 @@ static void ablkcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
+ #endif
+
+ ablkcipher_unmap(jrdev, edesc, req);
++
++ /*
++ * The crypto API expects us to set the IV (req->info) to the last
++ * ciphertext block. This is used e.g. by the CTS mode.
++ */
++ scatterwalk_map_and_copy(req->info, req->dst, req->nbytes - ivsize,
++ ivsize, 0);
++
+ kfree(edesc);
+
+ ablkcipher_request_complete(req, err);
+@@ -2047,10 +2055,10 @@ static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
+ {
+ struct ablkcipher_request *req = context;
+ struct ablkcipher_edesc *edesc;
+-#ifdef DEBUG
+ struct crypto_ablkcipher *ablkcipher = crypto_ablkcipher_reqtfm(req);
+ int ivsize = crypto_ablkcipher_ivsize(ablkcipher);
+
++#ifdef DEBUG
+ dev_err(jrdev, "%s %d: err 0x%x\n", __func__, __LINE__, err);
+ #endif
+
+@@ -2069,6 +2077,14 @@ static void ablkcipher_decrypt_done(struct device *jrdev, u32 *desc, u32 err,
+ #endif
+
+ ablkcipher_unmap(jrdev, edesc, req);
++
++ /*
++ * The crypto API expects us to set the IV (req->info) to the last
++ * ciphertext block.
++ */
++ scatterwalk_map_and_copy(req->info, req->src, req->nbytes - ivsize,
++ ivsize, 0);
++
+ kfree(edesc);
+
+ ablkcipher_request_complete(req, err);
+diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
+index 2474f1494955..631337c2e4a7 100644
+--- a/drivers/crypto/caam/caamhash.c
++++ b/drivers/crypto/caam/caamhash.c
+@@ -491,7 +491,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, const u8 *key_in,
+ ret = caam_jr_enqueue(jrdev, desc, split_key_done, &result);
+ if (!ret) {
+ /* in progress */
+- wait_for_completion_interruptible(&result.completion);
++ wait_for_completion(&result.completion);
+ ret = result.err;
+ #ifdef DEBUG
+ print_hex_dump(KERN_ERR,
+diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c
+index e1eaf4ff9762..3ce1d5cdcbd2 100644
+--- a/drivers/crypto/caam/key_gen.c
++++ b/drivers/crypto/caam/key_gen.c
+@@ -103,7 +103,7 @@ int gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len,
+ ret = caam_jr_enqueue(jrdev, desc, split_key_done, &result);
+ if (!ret) {
+ /* in progress */
+- wait_for_completion_interruptible(&result.completion);
++ wait_for_completion(&result.completion);
+ ret = result.err;
+ #ifdef DEBUG
+ print_hex_dump(KERN_ERR, "ctx.key@"__stringify(__LINE__)": ",
+diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
+index 0418a2f41dc0..571de2f284cf 100644
+--- a/drivers/crypto/talitos.c
++++ b/drivers/crypto/talitos.c
+@@ -816,7 +816,7 @@ static void talitos_unregister_rng(struct device *dev)
+ * HMAC_SNOOP_NO_AFEA (HSNA) instead of type IPSEC_ESP
+ */
+ #define TALITOS_CRA_PRIORITY_AEAD_HSNA (TALITOS_CRA_PRIORITY - 1)
+-#define TALITOS_MAX_KEY_SIZE 96
++#define TALITOS_MAX_KEY_SIZE (AES_MAX_KEY_SIZE + SHA512_BLOCK_SIZE)
+ #define TALITOS_MAX_IV_LENGTH 16 /* max of AES_BLOCK_SIZE, DES3_EDE_BLOCK_SIZE */
+
+ struct talitos_ctx {
+@@ -1495,6 +1495,11 @@ static int ablkcipher_setkey(struct crypto_ablkcipher *cipher,
+ {
+ struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
+
++ if (keylen > TALITOS_MAX_KEY_SIZE) {
++ crypto_ablkcipher_set_flags(cipher, CRYPTO_TFM_RES_BAD_KEY_LEN);
++ return -EINVAL;
++ }
++
+ memcpy(&ctx->key, key, keylen);
+ ctx->keylen = keylen;
+
+diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
+index 19d642eae096..24d388d74011 100644
+--- a/drivers/irqchip/irq-gic-v3.c
++++ b/drivers/irqchip/irq-gic-v3.c
+@@ -646,6 +646,9 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val,
+ int enabled;
+ u64 val;
+
++ if (cpu >= nr_cpu_ids)
++ return -EINVAL;
++
+ if (gic_irq_in_rdist(d))
+ return -EINVAL;
+
+diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+index 380a64115a98..258bc8deae3b 100644
+--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
++++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+@@ -230,7 +230,7 @@ static int cn23xx_pf_soft_reset(struct octeon_device *oct)
+ /* Wait for 100ms as Octeon resets. */
+ mdelay(100);
+
+- if (octeon_read_csr64(oct, CN23XX_SLI_SCRATCH1) == 0x1234ULL) {
++ if (octeon_read_csr64(oct, CN23XX_SLI_SCRATCH1)) {
+ dev_err(&oct->pci_dev->dev, "OCTEON[%d]: Soft reset failed\n",
+ oct->octeon_id);
+ return 1;
+diff --git a/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c b/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c
+index e779af88621b..cda32d5b9977 100644
+--- a/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c
++++ b/drivers/net/ethernet/cavium/liquidio/cn66xx_device.c
+@@ -48,7 +48,7 @@ int lio_cn6xxx_soft_reset(struct octeon_device *oct)
+ /* Wait for 10ms as Octeon resets. */
+ mdelay(100);
+
+- if (octeon_read_csr64(oct, CN6XXX_SLI_SCRATCH1) == 0x1234ULL) {
++ if (octeon_read_csr64(oct, CN6XXX_SLI_SCRATCH1)) {
+ dev_err(&oct->pci_dev->dev, "Soft reset failed\n");
+ return 1;
+ }
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+index ea582342dd8f..9d3722930c95 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+@@ -2671,8 +2671,6 @@ mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
+ PPORT_802_3_GET(pstats, a_frame_check_sequence_errors);
+ stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors);
+ stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards);
+- stats->tx_carrier_errors =
+- PPORT_802_3_GET(pstats, a_symbol_error_during_carrier);
+ stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors +
+ stats->rx_frame_errors;
+ stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors;
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
+index 2115c8aacc5b..8beecd615a21 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
+@@ -67,6 +67,7 @@ enum {
+
+ enum {
+ MLX5_DROP_NEW_HEALTH_WORK,
++ MLX5_DROP_NEW_RECOVERY_WORK,
+ };
+
+ static u8 get_nic_state(struct mlx5_core_dev *dev)
+@@ -193,7 +194,7 @@ static void health_care(struct work_struct *work)
+ mlx5_handle_bad_state(dev);
+
+ spin_lock(&health->wq_lock);
+- if (!test_bit(MLX5_DROP_NEW_HEALTH_WORK, &health->flags))
++ if (!test_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags))
+ schedule_delayed_work(&health->recover_work, recover_delay);
+ else
+ dev_err(&dev->pdev->dev,
+@@ -328,6 +329,7 @@ void mlx5_start_health_poll(struct mlx5_core_dev *dev)
+ init_timer(&health->timer);
+ health->sick = 0;
+ clear_bit(MLX5_DROP_NEW_HEALTH_WORK, &health->flags);
++ clear_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags);
+ health->health = &dev->iseg->health;
+ health->health_counter = &dev->iseg->health_counter;
+
+@@ -350,11 +352,22 @@ void mlx5_drain_health_wq(struct mlx5_core_dev *dev)
+
+ spin_lock(&health->wq_lock);
+ set_bit(MLX5_DROP_NEW_HEALTH_WORK, &health->flags);
++ set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags);
+ spin_unlock(&health->wq_lock);
+ cancel_delayed_work_sync(&health->recover_work);
+ cancel_work_sync(&health->work);
+ }
+
++void mlx5_drain_health_recovery(struct mlx5_core_dev *dev)
++{
++ struct mlx5_core_health *health = &dev->priv.health;
++
++ spin_lock(&health->wq_lock);
++ set_bit(MLX5_DROP_NEW_RECOVERY_WORK, &health->flags);
++ spin_unlock(&health->wq_lock);
++ cancel_delayed_work_sync(&dev->priv.health.recover_work);
++}
++
+ void mlx5_health_cleanup(struct mlx5_core_dev *dev)
+ {
+ struct mlx5_core_health *health = &dev->priv.health;
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
+index 5bea0bf2b484..b3309f2ed7dc 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
+@@ -1169,7 +1169,7 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv,
+ int err = 0;
+
+ if (cleanup)
+- mlx5_drain_health_wq(dev);
++ mlx5_drain_health_recovery(dev);
+
+ mutex_lock(&dev->intf_state_mutex);
+ if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) {
+diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c
+index 4ca461322d60..b1af7cd190a0 100644
+--- a/drivers/net/ethernet/rocker/rocker_ofdpa.c
++++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c
+@@ -1505,8 +1505,8 @@ static int ofdpa_port_ipv4_nh(struct ofdpa_port *ofdpa_port,
+ *index = entry->index;
+ resolved = false;
+ } else if (removing) {
+- ofdpa_neigh_del(trans, found);
+ *index = found->index;
++ ofdpa_neigh_del(trans, found);
+ } else if (updating) {
+ ofdpa_neigh_update(found, trans, NULL, false);
+ resolved = !is_zero_ether_addr(found->eth_dst);
+diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
+index 00279da6a1e8..c4ada7227f40 100644
+--- a/drivers/net/ethernet/sfc/ef10.c
++++ b/drivers/net/ethernet/sfc/ef10.c
+@@ -4399,12 +4399,9 @@ static void efx_ef10_filter_uc_addr_list(struct efx_nic *efx)
+ struct efx_ef10_filter_table *table = efx->filter_state;
+ struct net_device *net_dev = efx->net_dev;
+ struct netdev_hw_addr *uc;
+- int addr_count;
+ unsigned int i;
+
+- addr_count = netdev_uc_count(net_dev);
+ table->uc_promisc = !!(net_dev->flags & IFF_PROMISC);
+- table->dev_uc_count = 1 + addr_count;
+ ether_addr_copy(table->dev_uc_list[0].addr, net_dev->dev_addr);
+ i = 1;
+ netdev_for_each_uc_addr(uc, net_dev) {
+@@ -4415,6 +4412,8 @@ static void efx_ef10_filter_uc_addr_list(struct efx_nic *efx)
+ ether_addr_copy(table->dev_uc_list[i].addr, uc->addr);
+ i++;
+ }
++
++ table->dev_uc_count = i;
+ }
+
+ static void efx_ef10_filter_mc_addr_list(struct efx_nic *efx)
+@@ -4422,11 +4421,10 @@ static void efx_ef10_filter_mc_addr_list(struct efx_nic *efx)
+ struct efx_ef10_filter_table *table = efx->filter_state;
+ struct net_device *net_dev = efx->net_dev;
+ struct netdev_hw_addr *mc;
+- unsigned int i, addr_count;
++ unsigned int i;
+
+ table->mc_promisc = !!(net_dev->flags & (IFF_PROMISC | IFF_ALLMULTI));
+
+- addr_count = netdev_mc_count(net_dev);
+ i = 0;
+ netdev_for_each_mc_addr(mc, net_dev) {
+ if (i >= EFX_EF10_FILTER_DEV_MC_MAX) {
+diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c
+index 4865221aa9ac..b88f7d65953d 100644
+--- a/drivers/net/phy/dp83640.c
++++ b/drivers/net/phy/dp83640.c
+@@ -908,7 +908,7 @@ static void decode_txts(struct dp83640_private *dp83640,
+ if (overflow) {
+ pr_debug("tx timestamp queue overflow, count %d\n", overflow);
+ while (skb) {
+- skb_complete_tx_timestamp(skb, NULL);
++ kfree_skb(skb);
+ skb = skb_dequeue(&dp83640->tx_queue);
+ }
+ return;
+diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
+index fab56c9350cf..222918828655 100644
+--- a/drivers/net/phy/micrel.c
++++ b/drivers/net/phy/micrel.c
+@@ -622,6 +622,8 @@ static int ksz9031_read_status(struct phy_device *phydev)
+ if ((regval & 0xFF) == 0xFF) {
+ phy_init_hw(phydev);
+ phydev->link = 0;
++ if (phydev->drv->config_intr && phy_interrupt_is_valid(phydev))
++ phydev->drv->config_intr(phydev);
+ }
+
+ return 0;
+diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
+index 642df9391193..578bd5001d93 100644
+--- a/drivers/net/vrf.c
++++ b/drivers/net/vrf.c
+@@ -787,15 +787,10 @@ static int vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
+ static void vrf_dev_uninit(struct net_device *dev)
+ {
+ struct net_vrf *vrf = netdev_priv(dev);
+- struct net_device *port_dev;
+- struct list_head *iter;
+
+ vrf_rtable_release(dev, vrf);
+ vrf_rt6_release(dev, vrf);
+
+- netdev_for_each_lower_dev(dev, port_dev, iter)
+- vrf_del_slave(dev, port_dev);
+-
+ free_percpu(dev->dstats);
+ dev->dstats = NULL;
+ }
+@@ -1232,6 +1227,12 @@ static int vrf_validate(struct nlattr *tb[], struct nlattr *data[])
+
+ static void vrf_dellink(struct net_device *dev, struct list_head *head)
+ {
++ struct net_device *port_dev;
++ struct list_head *iter;
++
++ netdev_for_each_lower_dev(dev, port_dev, iter)
++ vrf_del_slave(dev, port_dev);
++
+ unregister_netdevice_queue(dev, head);
+ }
+
+diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
+index 963e5339a4d7..983e941bdf29 100644
+--- a/drivers/net/vxlan.c
++++ b/drivers/net/vxlan.c
+@@ -227,15 +227,15 @@ static struct vxlan_sock *vxlan_find_sock(struct net *net, sa_family_t family,
+
+ static struct vxlan_dev *vxlan_vs_find_vni(struct vxlan_sock *vs, __be32 vni)
+ {
+- struct vxlan_dev *vxlan;
++ struct vxlan_dev_node *node;
+
+ /* For flow based devices, map all packets to VNI 0 */
+ if (vs->flags & VXLAN_F_COLLECT_METADATA)
+ vni = 0;
+
+- hlist_for_each_entry_rcu(vxlan, vni_head(vs, vni), hlist) {
+- if (vxlan->default_dst.remote_vni == vni)
+- return vxlan;
++ hlist_for_each_entry_rcu(node, vni_head(vs, vni), hlist) {
++ if (node->vxlan->default_dst.remote_vni == vni)
++ return node->vxlan;
+ }
+
+ return NULL;
+@@ -2309,17 +2309,22 @@ static void vxlan_vs_del_dev(struct vxlan_dev *vxlan)
+ struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);
+
+ spin_lock(&vn->sock_lock);
+- hlist_del_init_rcu(&vxlan->hlist);
++ hlist_del_init_rcu(&vxlan->hlist4.hlist);
++#if IS_ENABLED(CONFIG_IPV6)
++ hlist_del_init_rcu(&vxlan->hlist6.hlist);
++#endif
+ spin_unlock(&vn->sock_lock);
+ }
+
+-static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan)
++static void vxlan_vs_add_dev(struct vxlan_sock *vs, struct vxlan_dev *vxlan,
++ struct vxlan_dev_node *node)
+ {
+ struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);
+ __be32 vni = vxlan->default_dst.remote_vni;
+
++ node->vxlan = vxlan;
+ spin_lock(&vn->sock_lock);
+- hlist_add_head_rcu(&vxlan->hlist, vni_head(vs, vni));
++ hlist_add_head_rcu(&node->hlist, vni_head(vs, vni));
+ spin_unlock(&vn->sock_lock);
+ }
+
+@@ -2778,6 +2783,7 @@ static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6)
+ {
+ struct vxlan_net *vn = net_generic(vxlan->net, vxlan_net_id);
+ struct vxlan_sock *vs = NULL;
++ struct vxlan_dev_node *node;
+
+ if (!vxlan->cfg.no_share) {
+ spin_lock(&vn->sock_lock);
+@@ -2795,12 +2801,16 @@ static int __vxlan_sock_add(struct vxlan_dev *vxlan, bool ipv6)
+ if (IS_ERR(vs))
+ return PTR_ERR(vs);
+ #if IS_ENABLED(CONFIG_IPV6)
+- if (ipv6)
++ if (ipv6) {
+ rcu_assign_pointer(vxlan->vn6_sock, vs);
+- else
++ node = &vxlan->hlist6;
++ } else
+ #endif
++ {
+ rcu_assign_pointer(vxlan->vn4_sock, vs);
+- vxlan_vs_add_dev(vs, vxlan);
++ node = &vxlan->hlist4;
++ }
++ vxlan_vs_add_dev(vs, vxlan, node);
+ return 0;
+ }
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+index 72139b579b18..746f8c9a891d 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c
+@@ -705,7 +705,7 @@ int brcmf_sdiod_recv_pkt(struct brcmf_sdio_dev *sdiodev, struct sk_buff *pkt)
+ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
+ struct sk_buff_head *pktq, uint totlen)
+ {
+- struct sk_buff *glom_skb;
++ struct sk_buff *glom_skb = NULL;
+ struct sk_buff *skb;
+ u32 addr = sdiodev->sbwad;
+ int err = 0;
+@@ -726,10 +726,8 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
+ return -ENOMEM;
+ err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, false, addr,
+ glom_skb);
+- if (err) {
+- brcmu_pkt_buf_free_skb(glom_skb);
++ if (err)
+ goto done;
+- }
+
+ skb_queue_walk(pktq, skb) {
+ memcpy(skb->data, glom_skb->data, skb->len);
+@@ -740,6 +738,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_sdio_dev *sdiodev,
+ pktq);
+
+ done:
++ brcmu_pkt_buf_free_skb(glom_skb);
+ return err;
+ }
+
+diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+index 0f5dde1f2248..1d4352e1ac81 100644
+--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+@@ -4928,6 +4928,11 @@ brcmf_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev,
+ cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true,
+ GFP_KERNEL);
+ } else if (ieee80211_is_action(mgmt->frame_control)) {
++ if (len > BRCMF_FIL_ACTION_FRAME_SIZE + DOT11_MGMT_HDR_LEN) {
++ brcmf_err("invalid action frame length\n");
++ err = -EINVAL;
++ goto exit;
++ }
+ af_params = kzalloc(sizeof(*af_params), GFP_KERNEL);
+ if (af_params == NULL) {
+ brcmf_err("unable to allocate frame\n");
+@@ -6871,7 +6876,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+ wiphy = wiphy_new(ops, sizeof(struct brcmf_cfg80211_info));
+ if (!wiphy) {
+ brcmf_err("Could not allocate wiphy device\n");
+- return NULL;
++ goto ops_out;
+ }
+ memcpy(wiphy->perm_addr, drvr->mac, ETH_ALEN);
+ set_wiphy_dev(wiphy, busdev);
+@@ -7005,6 +7010,7 @@ struct brcmf_cfg80211_info *brcmf_cfg80211_attach(struct brcmf_pub *drvr,
+ ifp->vif = NULL;
+ wiphy_out:
+ brcmf_free_wiphy(wiphy);
++ops_out:
+ kfree(ops);
+ return NULL;
+ }
+diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
+index 599cf5090030..cd442e46afb4 100644
+--- a/drivers/net/xen-netfront.c
++++ b/drivers/net/xen-netfront.c
+@@ -281,6 +281,7 @@ static void xennet_alloc_rx_buffers(struct netfront_queue *queue)
+ {
+ RING_IDX req_prod = queue->rx.req_prod_pvt;
+ int notify;
++ int err = 0;
+
+ if (unlikely(!netif_carrier_ok(queue->info->netdev)))
+ return;
+@@ -295,8 +296,10 @@ static void xennet_alloc_rx_buffers(struct netfront_queue *queue)
+ struct xen_netif_rx_request *req;
+
+ skb = xennet_alloc_one_rx_buffer(queue);
+- if (!skb)
++ if (!skb) {
++ err = -ENOMEM;
+ break;
++ }
+
+ id = xennet_rxidx(req_prod);
+
+@@ -320,8 +323,13 @@ static void xennet_alloc_rx_buffers(struct netfront_queue *queue)
+
+ queue->rx.req_prod_pvt = req_prod;
+
+- /* Not enough requests? Try again later. */
+- if (req_prod - queue->rx.sring->req_prod < NET_RX_SLOTS_MIN) {
++ /* Try again later if there are not enough requests or skb allocation
++ * failed.
++ * Enough requests is quantified as the sum of newly created slots and
++ * the unconsumed slots at the backend.
++ */
++ if (req_prod - queue->rx.rsp_cons < NET_RX_SLOTS_MIN ||
++ unlikely(err)) {
+ mod_timer(&queue->rx_refill_timer, jiffies + (HZ/10));
+ return;
+ }
+diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
+index 965911d9b36a..1b4d93e9157e 100644
+--- a/drivers/nvmem/core.c
++++ b/drivers/nvmem/core.c
+@@ -488,21 +488,24 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
+
+ rval = device_add(&nvmem->dev);
+ if (rval)
+- goto out;
++ goto err_put_device;
+
+ if (config->compat) {
+ rval = nvmem_setup_compat(nvmem, config);
+ if (rval)
+- goto out;
++ goto err_device_del;
+ }
+
+ if (config->cells)
+ nvmem_add_cells(nvmem, config);
+
+ return nvmem;
+-out:
+- ida_simple_remove(&nvmem_ida, nvmem->id);
+- kfree(nvmem);
++
++err_device_del:
++ device_del(&nvmem->dev);
++err_put_device:
++ put_device(&nvmem->dev);
++
+ return ERR_PTR(rval);
+ }
+ EXPORT_SYMBOL_GPL(nvmem_register);
+diff --git a/drivers/parisc/ccio-dma.c b/drivers/parisc/ccio-dma.c
+index 3ed6238f8f6e..c4953eca907d 100644
+--- a/drivers/parisc/ccio-dma.c
++++ b/drivers/parisc/ccio-dma.c
+@@ -741,6 +741,8 @@ ccio_map_single(struct device *dev, void *addr, size_t size,
+
+ BUG_ON(!dev);
+ ioc = GET_IOC(dev);
++ if (!ioc)
++ return DMA_ERROR_CODE;
+
+ BUG_ON(size <= 0);
+
+@@ -814,6 +816,10 @@ ccio_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
+
+ BUG_ON(!dev);
+ ioc = GET_IOC(dev);
++ if (!ioc) {
++ WARN_ON(!ioc);
++ return;
++ }
+
+ DBG_RUN("%s() iovp 0x%lx/%x\n",
+ __func__, (long)iova, size);
+@@ -918,6 +924,8 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
+
+ BUG_ON(!dev);
+ ioc = GET_IOC(dev);
++ if (!ioc)
++ return 0;
+
+ DBG_RUN_SG("%s() START %d entries\n", __func__, nents);
+
+@@ -990,6 +998,10 @@ ccio_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
+
+ BUG_ON(!dev);
+ ioc = GET_IOC(dev);
++ if (!ioc) {
++ WARN_ON(!ioc);
++ return;
++ }
+
+ DBG_RUN_SG("%s() START %d entries, %p,%x\n",
+ __func__, nents, sg_virt(sglist), sglist->length);
+diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
+index 1133b5cc88ca..5c63b920b471 100644
+--- a/drivers/parisc/dino.c
++++ b/drivers/parisc/dino.c
+@@ -154,7 +154,10 @@ struct dino_device
+ };
+
+ /* Looks nice and keeps the compiler happy */
+-#define DINO_DEV(d) ((struct dino_device *) d)
++#define DINO_DEV(d) ({ \
++ void *__pdata = d; \
++ BUG_ON(!__pdata); \
++ (struct dino_device *)__pdata; })
+
+
+ /*
+diff --git a/drivers/parisc/lba_pci.c b/drivers/parisc/lba_pci.c
+index 2ec2aef4d211..bc286cbbbc9b 100644
+--- a/drivers/parisc/lba_pci.c
++++ b/drivers/parisc/lba_pci.c
+@@ -111,8 +111,10 @@ static u32 lba_t32;
+
+
+ /* Looks nice and keeps the compiler happy */
+-#define LBA_DEV(d) ((struct lba_device *) (d))
+-
++#define LBA_DEV(d) ({ \
++ void *__pdata = d; \
++ BUG_ON(!__pdata); \
++ (struct lba_device *)__pdata; })
+
+ /*
+ ** Only allow 8 subsidiary busses per LBA
+diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
+index 151b86b6d2e2..56918d1c0ed3 100644
+--- a/drivers/parisc/sba_iommu.c
++++ b/drivers/parisc/sba_iommu.c
+@@ -691,6 +691,8 @@ static int sba_dma_supported( struct device *dev, u64 mask)
+ return 0;
+
+ ioc = GET_IOC(dev);
++ if (!ioc)
++ return 0;
+
+ /*
+ * check if mask is >= than the current max IO Virt Address
+@@ -722,6 +724,8 @@ sba_map_single(struct device *dev, void *addr, size_t size,
+ int pide;
+
+ ioc = GET_IOC(dev);
++ if (!ioc)
++ return DMA_ERROR_CODE;
+
+ /* save offset bits */
+ offset = ((dma_addr_t) (long) addr) & ~IOVP_MASK;
+@@ -813,6 +817,10 @@ sba_unmap_page(struct device *dev, dma_addr_t iova, size_t size,
+ DBG_RUN("%s() iovp 0x%lx/%x\n", __func__, (long) iova, size);
+
+ ioc = GET_IOC(dev);
++ if (!ioc) {
++ WARN_ON(!ioc);
++ return;
++ }
+ offset = iova & ~IOVP_MASK;
+ iova ^= offset; /* clear offset bits */
+ size += offset;
+@@ -952,6 +960,8 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
+ DBG_RUN_SG("%s() START %d entries\n", __func__, nents);
+
+ ioc = GET_IOC(dev);
++ if (!ioc)
++ return 0;
+
+ /* Fast path single entry scatterlists. */
+ if (nents == 1) {
+@@ -1037,6 +1047,10 @@ sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents,
+ __func__, nents, sg_virt(sglist), sglist->length);
+
+ ioc = GET_IOC(dev);
++ if (!ioc) {
++ WARN_ON(!ioc);
++ return;
++ }
+
+ #ifdef SBA_COLLECT_STATS
+ ioc->usg_calls++;
+diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
+index 8c3bf3d613c0..ce2c3c6349d4 100644
+--- a/drivers/tty/vt/vt.c
++++ b/drivers/tty/vt/vt.c
+@@ -2711,13 +2711,13 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
+ * related to the kernel should not use this.
+ */
+ data = vt_get_shift_state();
+- ret = __put_user(data, p);
++ ret = put_user(data, p);
+ break;
+ case TIOCL_GETMOUSEREPORTING:
+ console_lock(); /* May be overkill */
+ data = mouse_reporting();
+ console_unlock();
+- ret = __put_user(data, p);
++ ret = put_user(data, p);
+ break;
+ case TIOCL_SETVESABLANK:
+ console_lock();
+@@ -2726,7 +2726,7 @@ int tioclinux(struct tty_struct *tty, unsigned long arg)
+ break;
+ case TIOCL_GETKMSGREDIRECT:
+ data = vt_get_kmsg_redirect();
+- ret = __put_user(data, p);
++ ret = put_user(data, p);
+ break;
+ case TIOCL_SETKMSGREDIRECT:
+ if (!capable(CAP_SYS_ADMIN)) {
+diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
+index cfd724f98332..1fdf4e5bf8c6 100644
+--- a/fs/binfmt_elf.c
++++ b/fs/binfmt_elf.c
+@@ -911,17 +911,60 @@ static int load_elf_binary(struct linux_binprm *bprm)
+ elf_flags = MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE;
+
+ vaddr = elf_ppnt->p_vaddr;
++ /*
++ * If we are loading ET_EXEC or we have already performed
++ * the ET_DYN load_addr calculations, proceed normally.
++ */
+ if (loc->elf_ex.e_type == ET_EXEC || load_addr_set) {
+ elf_flags |= MAP_FIXED;
+ } else if (loc->elf_ex.e_type == ET_DYN) {
+- /* Try and get dynamic programs out of the way of the
+- * default mmap base, as well as whatever program they
+- * might try to exec. This is because the brk will
+- * follow the loader, and is not movable. */
+- load_bias = ELF_ET_DYN_BASE - vaddr;
+- if (current->flags & PF_RANDOMIZE)
+- load_bias += arch_mmap_rnd();
+- load_bias = ELF_PAGESTART(load_bias);
++ /*
++ * This logic is run once for the first LOAD Program
++ * Header for ET_DYN binaries to calculate the
++ * randomization (load_bias) for all the LOAD
++ * Program Headers, and to calculate the entire
++ * size of the ELF mapping (total_size). (Note that
++ * load_addr_set is set to true later once the
++ * initial mapping is performed.)
++ *
++ * There are effectively two types of ET_DYN
++ * binaries: programs (i.e. PIE: ET_DYN with INTERP)
++ * and loaders (ET_DYN without INTERP, since they
++ * _are_ the ELF interpreter). The loaders must
++ * be loaded away from programs since the program
++ * may otherwise collide with the loader (especially
++ * for ET_EXEC which does not have a randomized
++ * position). For example to handle invocations of
++ * "./ld.so someprog" to test out a new version of
++ * the loader, the subsequent program that the
++ * loader loads must avoid the loader itself, so
++ * they cannot share the same load range. Sufficient
++ * room for the brk must be allocated with the
++ * loader as well, since brk must be available with
++ * the loader.
++ *
++ * Therefore, programs are loaded offset from
++ * ELF_ET_DYN_BASE and loaders are loaded into the
++ * independently randomized mmap region (0 load_bias
++ * without MAP_FIXED).
++ */
++ if (elf_interpreter) {
++ load_bias = ELF_ET_DYN_BASE;
++ if (current->flags & PF_RANDOMIZE)
++ load_bias += arch_mmap_rnd();
++ elf_flags |= MAP_FIXED;
++ } else
++ load_bias = 0;
++
++ /*
++ * Since load_bias is used for all subsequent loading
++ * calculations, we must lower it by the first vaddr
++ * so that the remaining calculations based on the
++ * ELF vaddrs will be correctly offset. The result
++ * is then page aligned.
++ */
++ load_bias = ELF_PAGESTART(load_bias - vaddr);
++
+ total_size = total_mapping_size(elf_phdata,
+ loc->elf_ex.e_phnum);
+ if (!total_size) {
+diff --git a/fs/dcache.c b/fs/dcache.c
+index 4485a48f4091..1dbc6b560fef 100644
+--- a/fs/dcache.c
++++ b/fs/dcache.c
+@@ -1133,11 +1133,12 @@ void shrink_dcache_sb(struct super_block *sb)
+ LIST_HEAD(dispose);
+
+ freed = list_lru_walk(&sb->s_dentry_lru,
+- dentry_lru_isolate_shrink, &dispose, UINT_MAX);
++ dentry_lru_isolate_shrink, &dispose, 1024);
+
+ this_cpu_sub(nr_dentry_unused, freed);
+ shrink_dentry_list(&dispose);
+- } while (freed > 0);
++ cond_resched();
++ } while (list_lru_count(&sb->s_dentry_lru) > 0);
+ }
+ EXPORT_SYMBOL(shrink_dcache_sb);
+
+diff --git a/fs/exec.c b/fs/exec.c
+index 91441402d706..b8c43be24751 100644
+--- a/fs/exec.c
++++ b/fs/exec.c
+@@ -215,8 +215,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+
+ if (write) {
+ unsigned long size = bprm->vma->vm_end - bprm->vma->vm_start;
+- unsigned long ptr_size;
+- struct rlimit *rlim;
++ unsigned long ptr_size, limit;
+
+ /*
+ * Since the stack will hold pointers to the strings, we
+@@ -245,14 +244,16 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
+ return page;
+
+ /*
+- * Limit to 1/4-th the stack size for the argv+env strings.
++ * Limit to 1/4 of the max stack size or 3/4 of _STK_LIM
++ * (whichever is smaller) for the argv+env strings.
+ * This ensures that:
+ * - the remaining binfmt code will not run out of stack space,
+ * - the program will have a reasonable amount of stack left
+ * to work from.
+ */
+- rlim = current->signal->rlim;
+- if (size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4)
++ limit = _STK_LIM / 4 * 3;
++ limit = min(limit, rlimit(RLIMIT_STACK) / 4);
++ if (size > limit)
+ goto fail;
+ }
+
+diff --git a/fs/mount.h b/fs/mount.h
+index d8295f273a2f..3603884a63dd 100644
+--- a/fs/mount.h
++++ b/fs/mount.h
+@@ -58,6 +58,7 @@ struct mount {
+ struct mnt_namespace *mnt_ns; /* containing namespace */
+ struct mountpoint *mnt_mp; /* where is it mounted */
+ struct hlist_node mnt_mp_list; /* list mounts with the same mountpoint */
++ struct list_head mnt_umounting; /* list entry for umount propagation */
+ #ifdef CONFIG_FSNOTIFY
+ struct hlist_head mnt_fsnotify_marks;
+ __u32 mnt_fsnotify_mask;
+diff --git a/fs/namespace.c b/fs/namespace.c
+index 5e35057f07ac..d7360f9897b4 100644
+--- a/fs/namespace.c
++++ b/fs/namespace.c
+@@ -237,6 +237,7 @@ static struct mount *alloc_vfsmnt(const char *name)
+ INIT_LIST_HEAD(&mnt->mnt_slave_list);
+ INIT_LIST_HEAD(&mnt->mnt_slave);
+ INIT_HLIST_NODE(&mnt->mnt_mp_list);
++ INIT_LIST_HEAD(&mnt->mnt_umounting);
+ #ifdef CONFIG_FSNOTIFY
+ INIT_HLIST_HEAD(&mnt->mnt_fsnotify_marks);
+ #endif
+diff --git a/fs/pnode.c b/fs/pnode.c
+index b394ca5307ec..d15c63e97ef1 100644
+--- a/fs/pnode.c
++++ b/fs/pnode.c
+@@ -24,6 +24,11 @@ static inline struct mount *first_slave(struct mount *p)
+ return list_entry(p->mnt_slave_list.next, struct mount, mnt_slave);
+ }
+
++static inline struct mount *last_slave(struct mount *p)
++{
++ return list_entry(p->mnt_slave_list.prev, struct mount, mnt_slave);
++}
++
+ static inline struct mount *next_slave(struct mount *p)
+ {
+ return list_entry(p->mnt_slave.next, struct mount, mnt_slave);
+@@ -164,6 +169,19 @@ static struct mount *propagation_next(struct mount *m,
+ }
+ }
+
++static struct mount *skip_propagation_subtree(struct mount *m,
++ struct mount *origin)
++{
++ /*
++ * Advance m such that propagation_next will not return
++ * the slaves of m.
++ */
++ if (!IS_MNT_NEW(m) && !list_empty(&m->mnt_slave_list))
++ m = last_slave(m);
++
++ return m;
++}
++
+ static struct mount *next_group(struct mount *m, struct mount *origin)
+ {
+ while (1) {
+@@ -415,65 +433,104 @@ void propagate_mount_unlock(struct mount *mnt)
+ }
+ }
+
+-/*
+- * Mark all mounts that the MNT_LOCKED logic will allow to be unmounted.
+- */
+-static void mark_umount_candidates(struct mount *mnt)
++static void umount_one(struct mount *mnt, struct list_head *to_umount)
+ {
+- struct mount *parent = mnt->mnt_parent;
+- struct mount *m;
+-
+- BUG_ON(parent == mnt);
+-
+- for (m = propagation_next(parent, parent); m;
+- m = propagation_next(m, parent)) {
+- struct mount *child = __lookup_mnt(&m->mnt,
+- mnt->mnt_mountpoint);
+- if (!child || (child->mnt.mnt_flags & MNT_UMOUNT))
+- continue;
+- if (!IS_MNT_LOCKED(child) || IS_MNT_MARKED(m)) {
+- SET_MNT_MARK(child);
+- }
+- }
++ CLEAR_MNT_MARK(mnt);
++ mnt->mnt.mnt_flags |= MNT_UMOUNT;
++ list_del_init(&mnt->mnt_child);
++ list_del_init(&mnt->mnt_umounting);
++ list_move_tail(&mnt->mnt_list, to_umount);
+ }
+
+ /*
+ * NOTE: unmounting 'mnt' naturally propagates to all other mounts its
+ * parent propagates to.
+ */
+-static void __propagate_umount(struct mount *mnt)
++static bool __propagate_umount(struct mount *mnt,
++ struct list_head *to_umount,
++ struct list_head *to_restore)
+ {
+- struct mount *parent = mnt->mnt_parent;
+- struct mount *m;
++ bool progress = false;
++ struct mount *child;
+
+- BUG_ON(parent == mnt);
++ /*
++ * The state of the parent won't change if this mount is
++ * already unmounted or marked as without children.
++ */
++ if (mnt->mnt.mnt_flags & (MNT_UMOUNT | MNT_MARKED))
++ goto out;
+
+- for (m = propagation_next(parent, parent); m;
+- m = propagation_next(m, parent)) {
+- struct mount *topper;
+- struct mount *child = __lookup_mnt(&m->mnt,
+- mnt->mnt_mountpoint);
+- /*
+- * umount the child only if the child has no children
+- * and the child is marked safe to unmount.
+- */
+- if (!child || !IS_MNT_MARKED(child))
++ /* Verify topper is the only grandchild that has not been
++ * speculatively unmounted.
++ */
++ list_for_each_entry(child, &mnt->mnt_mounts, mnt_child) {
++ if (child->mnt_mountpoint == mnt->mnt.mnt_root)
+ continue;
+- CLEAR_MNT_MARK(child);
++ if (!list_empty(&child->mnt_umounting) && IS_MNT_MARKED(child))
++ continue;
++ /* Found a mounted child */
++ goto children;
++ }
+
+- /* If there is exactly one mount covering all of child
+- * replace child with that mount.
+- */
+- topper = find_topper(child);
+- if (topper)
+- mnt_change_mountpoint(child->mnt_parent, child->mnt_mp,
+- topper);
++ /* Mark mounts that can be unmounted if not locked */
++ SET_MNT_MARK(mnt);
++ progress = true;
++
++ /* If a mount is without children and not locked umount it. */
++ if (!IS_MNT_LOCKED(mnt)) {
++ umount_one(mnt, to_umount);
++ } else {
++children:
++ list_move_tail(&mnt->mnt_umounting, to_restore);
++ }
++out:
++ return progress;
++}
++
++static void umount_list(struct list_head *to_umount,
++ struct list_head *to_restore)
++{
++ struct mount *mnt, *child, *tmp;
++ list_for_each_entry(mnt, to_umount, mnt_list) {
++ list_for_each_entry_safe(child, tmp, &mnt->mnt_mounts, mnt_child) {
++ /* topper? */
++ if (child->mnt_mountpoint == mnt->mnt.mnt_root)
++ list_move_tail(&child->mnt_umounting, to_restore);
++ else
++ umount_one(child, to_umount);
++ }
++ }
++}
+
+- if (list_empty(&child->mnt_mounts)) {
+- list_del_init(&child->mnt_child);
+- child->mnt.mnt_flags |= MNT_UMOUNT;
+- list_move_tail(&child->mnt_list, &mnt->mnt_list);
++static void restore_mounts(struct list_head *to_restore)
++{
++ /* Restore mounts to a clean working state */
++ while (!list_empty(to_restore)) {
++ struct mount *mnt, *parent;
++ struct mountpoint *mp;
++
++ mnt = list_first_entry(to_restore, struct mount, mnt_umounting);
++ CLEAR_MNT_MARK(mnt);
++ list_del_init(&mnt->mnt_umounting);
++
++ /* Should this mount be reparented? */
++ mp = mnt->mnt_mp;
++ parent = mnt->mnt_parent;
++ while (parent->mnt.mnt_flags & MNT_UMOUNT) {
++ mp = parent->mnt_mp;
++ parent = parent->mnt_parent;
+ }
++ if (parent != mnt->mnt_parent)
++ mnt_change_mountpoint(parent, mp, mnt);
++ }
++}
++
++static void cleanup_umount_visitations(struct list_head *visited)
++{
++ while (!list_empty(visited)) {
++ struct mount *mnt =
++ list_first_entry(visited, struct mount, mnt_umounting);
++ list_del_init(&mnt->mnt_umounting);
+ }
+ }
+
+@@ -487,11 +544,68 @@ static void __propagate_umount(struct mount *mnt)
+ int propagate_umount(struct list_head *list)
+ {
+ struct mount *mnt;
++ LIST_HEAD(to_restore);
++ LIST_HEAD(to_umount);
++ LIST_HEAD(visited);
++
++ /* Find candidates for unmounting */
++ list_for_each_entry_reverse(mnt, list, mnt_list) {
++ struct mount *parent = mnt->mnt_parent;
++ struct mount *m;
++
++ /*
++ * If this mount has already been visited it is known that it's
++ * entire peer group and all of their slaves in the propagation
++ * tree for the mountpoint has already been visited and there is
++ * no need to visit them again.
++ */
++ if (!list_empty(&mnt->mnt_umounting))
++ continue;
++
++ list_add_tail(&mnt->mnt_umounting, &visited);
++ for (m = propagation_next(parent, parent); m;
++ m = propagation_next(m, parent)) {
++ struct mount *child = __lookup_mnt(&m->mnt,
++ mnt->mnt_mountpoint);
++ if (!child)
++ continue;
++
++ if (!list_empty(&child->mnt_umounting)) {
++ /*
++ * If the child has already been visited it is
++ * know that it's entire peer group and all of
++ * their slaves in the propgation tree for the
++ * mountpoint has already been visited and there
++ * is no need to visit this subtree again.
++ */
++ m = skip_propagation_subtree(m, parent);
++ continue;
++ } else if (child->mnt.mnt_flags & MNT_UMOUNT) {
++ /*
++ * We have come accross an partially unmounted
++ * mount in list that has not been visited yet.
++ * Remember it has been visited and continue
++ * about our merry way.
++ */
++ list_add_tail(&child->mnt_umounting, &visited);
++ continue;
++ }
++
++ /* Check the child and parents while progress is made */
++ while (__propagate_umount(child,
++ &to_umount, &to_restore)) {
++ /* Is the parent a umount candidate? */
++ child = child->mnt_parent;
++ if (list_empty(&child->mnt_umounting))
++ break;
++ }
++ }
++ }
+
+- list_for_each_entry_reverse(mnt, list, mnt_list)
+- mark_umount_candidates(mnt);
++ umount_list(&to_umount, &to_restore);
++ restore_mounts(&to_restore);
++ cleanup_umount_visitations(&visited);
++ list_splice_tail(&to_umount, list);
+
+- list_for_each_entry(mnt, list, mnt_list)
+- __propagate_umount(mnt);
+ return 0;
+ }
+diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
+index fa3b155ce7e1..2d65bbd6dbd1 100644
+--- a/include/linux/cpumask.h
++++ b/include/linux/cpumask.h
+@@ -236,6 +236,23 @@ unsigned int cpumask_local_spread(unsigned int i, int node);
+ (cpu) = cpumask_next_zero((cpu), (mask)), \
+ (cpu) < nr_cpu_ids;)
+
++extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
++
++/**
++ * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location
++ * @cpu: the (optionally unsigned) integer iterator
++ * @mask: the cpumask poiter
++ * @start: the start location
++ *
++ * The implementation does not assume any bit in @mask is set (including @start).
++ *
++ * After the loop, cpu is >= nr_cpu_ids.
++ */
++#define for_each_cpu_wrap(cpu, mask, start) \
++ for ((cpu) = cpumask_next_wrap((start)-1, (mask), (start), false); \
++ (cpu) < nr_cpumask_bits; \
++ (cpu) = cpumask_next_wrap((cpu), (mask), (start), true))
++
+ /**
+ * for_each_cpu_and - iterate over every cpu in both masks
+ * @cpu: the (optionally unsigned) integer iterator
+diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h
+index cb0ba9f2a9a2..fa7fd03cb5f9 100644
+--- a/include/linux/list_lru.h
++++ b/include/linux/list_lru.h
+@@ -44,6 +44,7 @@ struct list_lru_node {
+ /* for cgroup aware lrus points to per cgroup lists, otherwise NULL */
+ struct list_lru_memcg *memcg_lrus;
+ #endif
++ long nr_items;
+ } ____cacheline_aligned_in_smp;
+
+ struct list_lru {
+diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
+index e1a903a5bb3e..6a620e01b040 100644
+--- a/include/linux/mlx5/driver.h
++++ b/include/linux/mlx5/driver.h
+@@ -788,6 +788,7 @@ int mlx5_health_init(struct mlx5_core_dev *dev);
+ void mlx5_start_health_poll(struct mlx5_core_dev *dev);
+ void mlx5_stop_health_poll(struct mlx5_core_dev *dev);
+ void mlx5_drain_health_wq(struct mlx5_core_dev *dev);
++void mlx5_drain_health_recovery(struct mlx5_core_dev *dev);
+ int mlx5_buf_alloc_node(struct mlx5_core_dev *dev, int size,
+ struct mlx5_buf *buf, int node);
+ int mlx5_buf_alloc(struct mlx5_core_dev *dev, int size, struct mlx5_buf *buf);
+diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
+index 2e347d4545cf..2c43993e079c 100644
+--- a/include/net/ip6_route.h
++++ b/include/net/ip6_route.h
+@@ -22,6 +22,7 @@ struct route_info {
+ #include <net/flow.h>
+ #include <net/ip6_fib.h>
+ #include <net/sock.h>
++#include <net/lwtunnel.h>
+ #include <linux/ip.h>
+ #include <linux/ipv6.h>
+ #include <linux/route.h>
+@@ -232,4 +233,11 @@ static inline struct in6_addr *rt6_nexthop(struct rt6_info *rt,
+ return daddr;
+ }
+
++static inline bool rt6_duplicate_nexthop(struct rt6_info *a, struct rt6_info *b)
++{
++ return a->dst.dev == b->dst.dev &&
++ a->rt6i_idev == b->rt6i_idev &&
++ ipv6_addr_equal(&a->rt6i_gateway, &b->rt6i_gateway) &&
++ !lwtunnel_cmp_encap(a->dst.lwtstate, b->dst.lwtstate);
++}
+ #endif
+diff --git a/include/net/vxlan.h b/include/net/vxlan.h
+index 308adc4154f4..9fce47e3e13e 100644
+--- a/include/net/vxlan.h
++++ b/include/net/vxlan.h
+@@ -221,9 +221,17 @@ struct vxlan_config {
+ bool no_share;
+ };
+
++struct vxlan_dev_node {
++ struct hlist_node hlist;
++ struct vxlan_dev *vxlan;
++};
++
+ /* Pseudo network device */
+ struct vxlan_dev {
+- struct hlist_node hlist; /* vni hash table */
++ struct vxlan_dev_node hlist4; /* vni hash table for IPv4 socket */
++#if IS_ENABLED(CONFIG_IPV6)
++ struct vxlan_dev_node hlist6; /* vni hash table for IPv6 socket */
++#endif
+ struct list_head next; /* vxlan's per namespace list */
+ struct vxlan_sock __rcu *vn4_sock; /* listening socket for IPv4 */
+ #if IS_ENABLED(CONFIG_IPV6)
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
+index 44c17f47d94c..8ce679d36c58 100644
+--- a/kernel/bpf/verifier.c
++++ b/kernel/bpf/verifier.c
+@@ -885,6 +885,11 @@ static int check_xadd(struct bpf_verifier_env *env, struct bpf_insn *insn)
+ if (err)
+ return err;
+
++ if (is_pointer_value(env, insn->src_reg)) {
++ verbose("R%d leaks addr into mem\n", insn->src_reg);
++ return -EACCES;
++ }
++
+ /* check whether atomic_add can read the memory */
+ err = check_mem_access(env, insn->dst_reg, insn->off,
+ BPF_SIZE(insn->code), BPF_READ, -1);
+diff --git a/kernel/extable.c b/kernel/extable.c
+index e820ccee9846..4f06fc34313f 100644
+--- a/kernel/extable.c
++++ b/kernel/extable.c
+@@ -66,7 +66,7 @@ static inline int init_kernel_text(unsigned long addr)
+ return 0;
+ }
+
+-int core_kernel_text(unsigned long addr)
++int notrace core_kernel_text(unsigned long addr)
+ {
+ if (addr >= (unsigned long)_stext &&
+ addr < (unsigned long)_etext)
+diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h
+index 56583e764ebf..e3944c4b072d 100644
+--- a/kernel/rcu/tree_plugin.h
++++ b/kernel/rcu/tree_plugin.h
+@@ -1767,6 +1767,7 @@ static void wake_nocb_leader(struct rcu_data *rdp, bool force)
+ if (READ_ONCE(rdp_leader->nocb_leader_sleep) || force) {
+ /* Prior smp_mb__after_atomic() orders against prior enqueue. */
+ WRITE_ONCE(rdp_leader->nocb_leader_sleep, false);
++ smp_mb(); /* ->nocb_leader_sleep before swake_up(). */
+ swake_up(&rdp_leader->nocb_wq);
+ }
+ }
+@@ -2021,6 +2022,7 @@ static void nocb_leader_wait(struct rcu_data *my_rdp)
+ * nocb_gp_head, where they await a grace period.
+ */
+ gotcbs = false;
++ smp_mb(); /* wakeup before ->nocb_head reads. */
+ for (rdp = my_rdp; rdp; rdp = rdp->nocb_next_follower) {
+ rdp->nocb_gp_head = READ_ONCE(rdp->nocb_head);
+ if (!rdp->nocb_gp_head)
+diff --git a/kernel/sched/core.c b/kernel/sched/core.c
+index 692c948ae333..d177b21d04ce 100644
+--- a/kernel/sched/core.c
++++ b/kernel/sched/core.c
+@@ -6102,6 +6102,9 @@ enum s_alloc {
+ * Build an iteration mask that can exclude certain CPUs from the upwards
+ * domain traversal.
+ *
++ * Only CPUs that can arrive at this group should be considered to continue
++ * balancing.
++ *
+ * Asymmetric node setups can result in situations where the domain tree is of
+ * unequal depth, make sure to skip domains that already cover the entire
+ * range.
+@@ -6113,18 +6116,31 @@ enum s_alloc {
+ */
+ static void build_group_mask(struct sched_domain *sd, struct sched_group *sg)
+ {
+- const struct cpumask *span = sched_domain_span(sd);
++ const struct cpumask *sg_span = sched_group_cpus(sg);
+ struct sd_data *sdd = sd->private;
+ struct sched_domain *sibling;
+ int i;
+
+- for_each_cpu(i, span) {
++ for_each_cpu(i, sg_span) {
+ sibling = *per_cpu_ptr(sdd->sd, i);
+- if (!cpumask_test_cpu(i, sched_domain_span(sibling)))
++
++ /*
++ * Can happen in the asymmetric case, where these siblings are
++ * unused. The mask will not be empty because those CPUs that
++ * do have the top domain _should_ span the domain.
++ */
++ if (!sibling->child)
++ continue;
++
++ /* If we would not end up here, we can't continue from here */
++ if (!cpumask_equal(sg_span, sched_domain_span(sibling->child)))
+ continue;
+
+ cpumask_set_cpu(i, sched_group_mask(sg));
+ }
++
++ /* We must not have empty masks here */
++ WARN_ON_ONCE(cpumask_empty(sched_group_mask(sg)));
+ }
+
+ /*
+@@ -6148,7 +6164,7 @@ build_overlap_sched_groups(struct sched_domain *sd, int cpu)
+
+ cpumask_clear(covered);
+
+- for_each_cpu(i, span) {
++ for_each_cpu_wrap(i, span, cpu) {
+ struct cpumask *sg_span;
+
+ if (cpumask_test_cpu(i, covered))
+@@ -7422,22 +7438,6 @@ int sched_cpu_dying(unsigned int cpu)
+ }
+ #endif
+
+-#ifdef CONFIG_SCHED_SMT
+-DEFINE_STATIC_KEY_FALSE(sched_smt_present);
+-
+-static void sched_init_smt(void)
+-{
+- /*
+- * We've enumerated all CPUs and will assume that if any CPU
+- * has SMT siblings, CPU0 will too.
+- */
+- if (cpumask_weight(cpu_smt_mask(0)) > 1)
+- static_branch_enable(&sched_smt_present);
+-}
+-#else
+-static inline void sched_init_smt(void) { }
+-#endif
+-
+ void __init sched_init_smp(void)
+ {
+ cpumask_var_t non_isolated_cpus;
+@@ -7467,9 +7467,6 @@ void __init sched_init_smp(void)
+
+ init_sched_rt_class();
+ init_sched_dl_class();
+-
+- sched_init_smt();
+-
+ sched_smp_initialized = true;
+ }
+
+diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
+index c242944f5cbd..7a68c631d5b5 100644
+--- a/kernel/sched/fair.c
++++ b/kernel/sched/fair.c
+@@ -5310,43 +5310,6 @@ find_idlest_cpu(struct sched_group *group, struct task_struct *p, int this_cpu)
+ return shallowest_idle_cpu != -1 ? shallowest_idle_cpu : least_loaded_cpu;
+ }
+
+-/*
+- * Implement a for_each_cpu() variant that starts the scan at a given cpu
+- * (@start), and wraps around.
+- *
+- * This is used to scan for idle CPUs; such that not all CPUs looking for an
+- * idle CPU find the same CPU. The down-side is that tasks tend to cycle
+- * through the LLC domain.
+- *
+- * Especially tbench is found sensitive to this.
+- */
+-
+-static int cpumask_next_wrap(int n, const struct cpumask *mask, int start, int *wrapped)
+-{
+- int next;
+-
+-again:
+- next = find_next_bit(cpumask_bits(mask), nr_cpumask_bits, n+1);
+-
+- if (*wrapped) {
+- if (next >= start)
+- return nr_cpumask_bits;
+- } else {
+- if (next >= nr_cpumask_bits) {
+- *wrapped = 1;
+- n = -1;
+- goto again;
+- }
+- }
+-
+- return next;
+-}
+-
+-#define for_each_cpu_wrap(cpu, mask, start, wrap) \
+- for ((wrap) = 0, (cpu) = (start)-1; \
+- (cpu) = cpumask_next_wrap((cpu), (mask), (start), &(wrap)), \
+- (cpu) < nr_cpumask_bits; )
+-
+ #ifdef CONFIG_SCHED_SMT
+
+ static inline void set_idle_cores(int cpu, int val)
+@@ -5376,7 +5339,7 @@ static inline bool test_idle_cores(int cpu, bool def)
+ * Since SMT siblings share all cache levels, inspecting this limited remote
+ * state should be fairly cheap.
+ */
+-void __update_idle_core(struct rq *rq)
++void update_idle_core(struct rq *rq)
+ {
+ int core = cpu_of(rq);
+ int cpu;
+@@ -5406,17 +5369,14 @@ void __update_idle_core(struct rq *rq)
+ static int select_idle_core(struct task_struct *p, struct sched_domain *sd, int target)
+ {
+ struct cpumask *cpus = this_cpu_cpumask_var_ptr(select_idle_mask);
+- int core, cpu, wrap;
+-
+- if (!static_branch_likely(&sched_smt_present))
+- return -1;
++ int core, cpu;
+
+ if (!test_idle_cores(target, false))
+ return -1;
+
+ cpumask_and(cpus, sched_domain_span(sd), tsk_cpus_allowed(p));
+
+- for_each_cpu_wrap(core, cpus, target, wrap) {
++ for_each_cpu_wrap(core, cpus, target) {
+ bool idle = true;
+
+ for_each_cpu(cpu, cpu_smt_mask(core)) {
+@@ -5444,9 +5404,6 @@ static int select_idle_smt(struct task_struct *p, struct sched_domain *sd, int t
+ {
+ int cpu;
+
+- if (!static_branch_likely(&sched_smt_present))
+- return -1;
+-
+ for_each_cpu(cpu, cpu_smt_mask(target)) {
+ if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(p)))
+ continue;
+@@ -5482,7 +5439,7 @@ static int select_idle_cpu(struct task_struct *p, struct sched_domain *sd, int t
+ u64 avg_cost, avg_idle = this_rq()->avg_idle;
+ u64 time, cost;
+ s64 delta;
+- int cpu, wrap;
++ int cpu;
+
+ this_sd = rcu_dereference(*this_cpu_ptr(&sd_llc));
+ if (!this_sd)
+@@ -5499,7 +5456,7 @@ 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, wrap) {
++ for_each_cpu_wrap(cpu, sched_domain_span(sd), target) {
+ if (!cpumask_test_cpu(cpu, tsk_cpus_allowed(p)))
+ continue;
+ if (idle_cpu(cpu))
+diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
+index 055f935d4421..ad77d666583c 100644
+--- a/kernel/sched/sched.h
++++ b/kernel/sched/sched.h
+@@ -43,6 +43,12 @@ extern void cpu_load_update_active(struct rq *this_rq);
+ static inline void cpu_load_update_active(struct rq *this_rq) { }
+ #endif
+
++#ifdef CONFIG_SCHED_SMT
++extern void update_idle_core(struct rq *rq);
++#else
++static inline void update_idle_core(struct rq *rq) { }
++#endif
++
+ /*
+ * Helpers for converting nanosecond timing to jiffy resolution
+ */
+@@ -731,23 +737,6 @@ static inline int cpu_of(struct rq *rq)
+ #endif
+ }
+
+-
+-#ifdef CONFIG_SCHED_SMT
+-
+-extern struct static_key_false sched_smt_present;
+-
+-extern void __update_idle_core(struct rq *rq);
+-
+-static inline void update_idle_core(struct rq *rq)
+-{
+- if (static_branch_unlikely(&sched_smt_present))
+- __update_idle_core(rq);
+-}
+-
+-#else
+-static inline void update_idle_core(struct rq *rq) { }
+-#endif
+-
+ DECLARE_PER_CPU_SHARED_ALIGNED(struct rq, runqueues);
+
+ #define cpu_rq(cpu) (&per_cpu(runqueues, (cpu)))
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 83c60f9013cb..52ee2c51f4b3 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -1906,7 +1906,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags,
+ #endif
+ ((pc & NMI_MASK ) ? TRACE_FLAG_NMI : 0) |
+ ((pc & HARDIRQ_MASK) ? TRACE_FLAG_HARDIRQ : 0) |
+- ((pc & SOFTIRQ_MASK) ? TRACE_FLAG_SOFTIRQ : 0) |
++ ((pc & SOFTIRQ_OFFSET) ? TRACE_FLAG_SOFTIRQ : 0) |
+ (tif_need_resched() ? TRACE_FLAG_NEED_RESCHED : 0) |
+ (test_preempt_need_resched() ? TRACE_FLAG_PREEMPT_RESCHED : 0);
+ }
+diff --git a/lib/cpumask.c b/lib/cpumask.c
+index 81dedaab36cc..4731a0895760 100644
+--- a/lib/cpumask.c
++++ b/lib/cpumask.c
+@@ -43,6 +43,38 @@ int cpumask_any_but(const struct cpumask *mask, unsigned int cpu)
+ }
+ EXPORT_SYMBOL(cpumask_any_but);
+
++/**
++ * cpumask_next_wrap - helper to implement for_each_cpu_wrap
++ * @n: the cpu prior to the place to search
++ * @mask: the cpumask pointer
++ * @start: the start point of the iteration
++ * @wrap: assume @n crossing @start terminates the iteration
++ *
++ * Returns >= nr_cpu_ids on completion
++ *
++ * Note: the @wrap argument is required for the start condition when
++ * we cannot assume @start is set in @mask.
++ */
++int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap)
++{
++ int next;
++
++again:
++ next = cpumask_next(n, mask);
++
++ if (wrap && n < start && next >= start) {
++ return nr_cpumask_bits;
++
++ } else if (next >= nr_cpumask_bits) {
++ wrap = true;
++ n = -1;
++ goto again;
++ }
++
++ return next;
++}
++EXPORT_SYMBOL(cpumask_next_wrap);
++
+ /* These are not inline because of header tangles. */
+ #ifdef CONFIG_CPUMASK_OFFSTACK
+ /**
+diff --git a/mm/huge_memory.c b/mm/huge_memory.c
+index e7d5db958538..8258e9eee806 100644
+--- a/mm/huge_memory.c
++++ b/mm/huge_memory.c
+@@ -1373,8 +1373,8 @@ bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma,
+ get_page(page);
+ spin_unlock(ptl);
+ split_huge_page(page);
+- put_page(page);
+ unlock_page(page);
++ put_page(page);
+ goto out_unlocked;
+ }
+
+diff --git a/mm/list_lru.c b/mm/list_lru.c
+index 234676e31edd..7a40fa2be858 100644
+--- a/mm/list_lru.c
++++ b/mm/list_lru.c
+@@ -117,6 +117,7 @@ bool list_lru_add(struct list_lru *lru, struct list_head *item)
+ l = list_lru_from_kmem(nlru, item);
+ list_add_tail(item, &l->list);
+ l->nr_items++;
++ nlru->nr_items++;
+ spin_unlock(&nlru->lock);
+ return true;
+ }
+@@ -136,6 +137,7 @@ bool list_lru_del(struct list_lru *lru, struct list_head *item)
+ l = list_lru_from_kmem(nlru, item);
+ list_del_init(item);
+ l->nr_items--;
++ nlru->nr_items--;
+ spin_unlock(&nlru->lock);
+ return true;
+ }
+@@ -183,15 +185,10 @@ EXPORT_SYMBOL_GPL(list_lru_count_one);
+
+ unsigned long list_lru_count_node(struct list_lru *lru, int nid)
+ {
+- long count = 0;
+- int memcg_idx;
++ struct list_lru_node *nlru;
+
+- count += __list_lru_count_one(lru, nid, -1);
+- if (list_lru_memcg_aware(lru)) {
+- for_each_memcg_cache_index(memcg_idx)
+- count += __list_lru_count_one(lru, nid, memcg_idx);
+- }
+- return count;
++ nlru = &lru->node[nid];
++ return nlru->nr_items;
+ }
+ EXPORT_SYMBOL_GPL(list_lru_count_node);
+
+@@ -226,6 +223,7 @@ __list_lru_walk_one(struct list_lru *lru, int nid, int memcg_idx,
+ assert_spin_locked(&nlru->lock);
+ case LRU_REMOVED:
+ isolated++;
++ nlru->nr_items--;
+ /*
+ * If the lru lock has been dropped, our list
+ * traversal is now invalid and so we have to
+diff --git a/mm/mmap.c b/mm/mmap.c
+index 145d3d5253e8..75d263bd8739 100644
+--- a/mm/mmap.c
++++ b/mm/mmap.c
+@@ -2228,7 +2228,7 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address)
+
+ /* Guard against exceeding limits of the address space. */
+ address &= PAGE_MASK;
+- if (address >= TASK_SIZE)
++ if (address >= (TASK_SIZE & PAGE_MASK))
+ return -ENOMEM;
+ address += PAGE_SIZE;
+
+diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
+index 7dbc80d01eb0..6406010e155b 100644
+--- a/net/bridge/br_mdb.c
++++ b/net/bridge/br_mdb.c
+@@ -323,7 +323,8 @@ static void __br_mdb_notify(struct net_device *dev, struct net_bridge_port *p,
+ __mdb_entry_to_br_ip(entry, &complete_info->ip);
+ mdb.obj.complete_priv = complete_info;
+ mdb.obj.complete = br_mdb_complete;
+- switchdev_port_obj_add(port_dev, &mdb.obj);
++ if (switchdev_port_obj_add(port_dev, &mdb.obj))
++ kfree(complete_info);
+ }
+ } else if (port_dev && type == RTM_DELMDB) {
+ switchdev_port_obj_del(port_dev, &mdb.obj);
+diff --git a/net/core/dev.c b/net/core/dev.c
+index 97f806116ae9..c17952b6e0b6 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -4641,6 +4641,12 @@ struct packet_offload *gro_find_complete_by_type(__be16 type)
+ }
+ EXPORT_SYMBOL(gro_find_complete_by_type);
+
++static void napi_skb_free_stolen_head(struct sk_buff *skb)
++{
++ skb_dst_drop(skb);
++ kmem_cache_free(skbuff_head_cache, skb);
++}
++
+ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
+ {
+ switch (ret) {
+@@ -4654,12 +4660,10 @@ static gro_result_t napi_skb_finish(gro_result_t ret, struct sk_buff *skb)
+ break;
+
+ case GRO_MERGED_FREE:
+- if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD) {
+- skb_dst_drop(skb);
+- kmem_cache_free(skbuff_head_cache, skb);
+- } else {
++ if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
++ napi_skb_free_stolen_head(skb);
++ else
+ __kfree_skb(skb);
+- }
+ break;
+
+ case GRO_HELD:
+@@ -4729,10 +4733,16 @@ static gro_result_t napi_frags_finish(struct napi_struct *napi,
+ break;
+
+ case GRO_DROP:
+- case GRO_MERGED_FREE:
+ napi_reuse_skb(napi, skb);
+ break;
+
++ case GRO_MERGED_FREE:
++ if (NAPI_GRO_CB(skb)->free == NAPI_GRO_FREE_STOLEN_HEAD)
++ napi_skb_free_stolen_head(skb);
++ else
++ napi_reuse_skb(napi, skb);
++ break;
++
+ case GRO_MERGED:
+ break;
+ }
+@@ -7521,7 +7531,7 @@ void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64,
+ {
+ #if BITS_PER_LONG == 64
+ BUILD_BUG_ON(sizeof(*stats64) < sizeof(*netdev_stats));
+- memcpy(stats64, netdev_stats, sizeof(*stats64));
++ memcpy(stats64, netdev_stats, sizeof(*netdev_stats));
+ /* zero out counters that only exist in rtnl_link_stats64 */
+ memset((char *)stats64 + sizeof(*netdev_stats), 0,
+ sizeof(*stats64) - sizeof(*netdev_stats));
+@@ -7563,9 +7573,9 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
+ } else {
+ netdev_stats_to_stats64(storage, &dev->stats);
+ }
+- storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
+- storage->tx_dropped += atomic_long_read(&dev->tx_dropped);
+- storage->rx_nohandler += atomic_long_read(&dev->rx_nohandler);
++ storage->rx_dropped += (unsigned long)atomic_long_read(&dev->rx_dropped);
++ storage->tx_dropped += (unsigned long)atomic_long_read(&dev->tx_dropped);
++ storage->rx_nohandler += (unsigned long)atomic_long_read(&dev->rx_nohandler);
+ return storage;
+ }
+ EXPORT_SYMBOL(dev_get_stats);
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
+index 86fbf0f3235e..1a4db27f5833 100644
+--- a/net/ipv4/tcp.c
++++ b/net/ipv4/tcp.c
+@@ -2300,6 +2300,8 @@ int tcp_disconnect(struct sock *sk, int flags)
+ tcp_init_send_head(sk);
+ memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
+ __sk_dst_reset(sk);
++ dst_release(sk->sk_rx_dst);
++ sk->sk_rx_dst = NULL;
+ tcp_saved_syn_free(tp);
+
+ WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);
+diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
+index b6f4c42cc8ce..b2cabda72320 100644
+--- a/net/ipv6/addrconf.c
++++ b/net/ipv6/addrconf.c
+@@ -1875,15 +1875,7 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
+ if (dad_failed)
+ ifp->flags |= IFA_F_DADFAILED;
+
+- if (ifp->flags&IFA_F_PERMANENT) {
+- spin_lock_bh(&ifp->lock);
+- addrconf_del_dad_work(ifp);
+- ifp->flags |= IFA_F_TENTATIVE;
+- spin_unlock_bh(&ifp->lock);
+- if (dad_failed)
+- ipv6_ifa_notify(0, ifp);
+- in6_ifa_put(ifp);
+- } else if (ifp->flags&IFA_F_TEMPORARY) {
++ if (ifp->flags&IFA_F_TEMPORARY) {
+ struct inet6_ifaddr *ifpub;
+ spin_lock_bh(&ifp->lock);
+ ifpub = ifp->ifpub;
+@@ -1896,6 +1888,14 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
+ spin_unlock_bh(&ifp->lock);
+ }
+ ipv6_del_addr(ifp);
++ } else if (ifp->flags&IFA_F_PERMANENT || !dad_failed) {
++ spin_lock_bh(&ifp->lock);
++ addrconf_del_dad_work(ifp);
++ ifp->flags |= IFA_F_TENTATIVE;
++ spin_unlock_bh(&ifp->lock);
++ if (dad_failed)
++ ipv6_ifa_notify(0, ifp);
++ in6_ifa_put(ifp);
+ } else {
+ ipv6_del_addr(ifp);
+ }
+@@ -3316,6 +3316,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
+ struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct netdev_notifier_changeupper_info *info;
+ struct inet6_dev *idev = __in6_dev_get(dev);
++ struct net *net = dev_net(dev);
+ int run_pending = 0;
+ int err;
+
+@@ -3331,7 +3332,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
+ case NETDEV_CHANGEMTU:
+ /* if MTU under IPV6_MIN_MTU stop IPv6 on this interface. */
+ if (dev->mtu < IPV6_MIN_MTU) {
+- addrconf_ifdown(dev, 1);
++ addrconf_ifdown(dev, dev != net->loopback_dev);
+ break;
+ }
+
+@@ -3447,7 +3448,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
+ * IPV6_MIN_MTU stop IPv6 on this interface.
+ */
+ if (dev->mtu < IPV6_MIN_MTU)
+- addrconf_ifdown(dev, 1);
++ addrconf_ifdown(dev, dev != net->loopback_dev);
+ }
+ break;
+
+diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
+index 636d4d893085..4345ee39f180 100644
+--- a/net/ipv6/ip6_fib.c
++++ b/net/ipv6/ip6_fib.c
+@@ -771,10 +771,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
+ goto next_iter;
+ }
+
+- if (iter->dst.dev == rt->dst.dev &&
+- iter->rt6i_idev == rt->rt6i_idev &&
+- ipv6_addr_equal(&iter->rt6i_gateway,
+- &rt->rt6i_gateway)) {
++ if (rt6_duplicate_nexthop(iter, rt)) {
+ if (rt->rt6i_nsiblings)
+ rt->rt6i_nsiblings = 0;
+ if (!(iter->rt6i_flags & RTF_EXPIRES))
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index b8b475389ae4..5764a84465f8 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -2953,17 +2953,11 @@ static int ip6_route_info_append(struct list_head *rt6_nh_list,
+ struct rt6_info *rt, struct fib6_config *r_cfg)
+ {
+ struct rt6_nh *nh;
+- struct rt6_info *rtnh;
+ int err = -EEXIST;
+
+ list_for_each_entry(nh, rt6_nh_list, next) {
+ /* check if rt6_info already exists */
+- rtnh = nh->rt6_info;
+-
+- if (rtnh->dst.dev == rt->dst.dev &&
+- rtnh->rt6i_idev == rt->rt6i_idev &&
+- ipv6_addr_equal(&rtnh->rt6i_gateway,
+- &rt->rt6i_gateway))
++ if (rt6_duplicate_nexthop(nh->rt6_info, rt))
+ return err;
+ }
+
+diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c
+index e0b23fb5b8d5..525b624fec8b 100644
+--- a/net/rds/tcp_listen.c
++++ b/net/rds/tcp_listen.c
+@@ -129,7 +129,7 @@ int rds_tcp_accept_one(struct socket *sock)
+ if (!sock) /* module unload or netns delete in progress */
+ return -ENETUNREACH;
+
+- ret = sock_create_kern(sock_net(sock->sk), sock->sk->sk_family,
++ ret = sock_create_lite(sock->sk->sk_family,
+ sock->sk->sk_type, sock->sk->sk_protocol,
+ &new_sock);
+ if (ret)
+diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
+index 206dc24add3a..ff27a85a71a9 100644
+--- a/net/sched/sch_api.c
++++ b/net/sched/sch_api.c
+@@ -1008,6 +1008,9 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
+
+ return sch;
+ }
++ /* ops->init() failed, we call ->destroy() like qdisc_create_dflt() */
++ if (ops->destroy)
++ ops->destroy(sch);
+ err_out3:
+ dev_put(dev);
+ kfree((char *) sch - sch->padded);
+diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
+index e3d0458af17b..2fae8b5f1b80 100644
+--- a/net/sched/sch_hhf.c
++++ b/net/sched/sch_hhf.c
+@@ -627,7 +627,9 @@ static int hhf_init(struct Qdisc *sch, struct nlattr *opt)
+ q->hhf_arrays[i] = hhf_zalloc(HHF_ARRAYS_LEN *
+ sizeof(u32));
+ if (!q->hhf_arrays[i]) {
+- hhf_destroy(sch);
++ /* Note: hhf_destroy() will be called
++ * by our caller.
++ */
+ return -ENOMEM;
+ }
+ }
+@@ -638,7 +640,9 @@ static int hhf_init(struct Qdisc *sch, struct nlattr *opt)
+ q->hhf_valid_bits[i] = hhf_zalloc(HHF_ARRAYS_LEN /
+ BITS_PER_BYTE);
+ if (!q->hhf_valid_bits[i]) {
+- hhf_destroy(sch);
++ /* Note: hhf_destroy() will be called
++ * by our caller.
++ */
+ return -ENOMEM;
+ }
+ }
+diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
+index 2bc8d7f8df16..20b7f1646f69 100644
+--- a/net/sched/sch_mq.c
++++ b/net/sched/sch_mq.c
+@@ -52,7 +52,7 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt)
+ /* pre-allocate qdiscs, attachment can't fail */
+ priv->qdiscs = kcalloc(dev->num_tx_queues, sizeof(priv->qdiscs[0]),
+ GFP_KERNEL);
+- if (priv->qdiscs == NULL)
++ if (!priv->qdiscs)
+ return -ENOMEM;
+
+ for (ntx = 0; ntx < dev->num_tx_queues; ntx++) {
+@@ -60,18 +60,14 @@ static int mq_init(struct Qdisc *sch, struct nlattr *opt)
+ qdisc = qdisc_create_dflt(dev_queue, get_default_qdisc_ops(dev, ntx),
+ TC_H_MAKE(TC_H_MAJ(sch->handle),
+ TC_H_MIN(ntx + 1)));
+- if (qdisc == NULL)
+- goto err;
++ if (!qdisc)
++ return -ENOMEM;
+ priv->qdiscs[ntx] = qdisc;
+ qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
+ }
+
+ sch->flags |= TCQ_F_MQROOT;
+ return 0;
+-
+-err:
+- mq_destroy(sch);
+- return -ENOMEM;
+ }
+
+ static void mq_attach(struct Qdisc *sch)
+diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
+index b5c502c78143..922683418e53 100644
+--- a/net/sched/sch_mqprio.c
++++ b/net/sched/sch_mqprio.c
+@@ -118,10 +118,8 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
+ /* pre-allocate qdisc, attachment can't fail */
+ priv->qdiscs = kcalloc(dev->num_tx_queues, sizeof(priv->qdiscs[0]),
+ GFP_KERNEL);
+- if (priv->qdiscs == NULL) {
+- err = -ENOMEM;
+- goto err;
+- }
++ if (!priv->qdiscs)
++ return -ENOMEM;
+
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ dev_queue = netdev_get_tx_queue(dev, i);
+@@ -129,10 +127,9 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
+ get_default_qdisc_ops(dev, i),
+ TC_H_MAKE(TC_H_MAJ(sch->handle),
+ TC_H_MIN(i + 1)));
+- if (qdisc == NULL) {
+- err = -ENOMEM;
+- goto err;
+- }
++ if (!qdisc)
++ return -ENOMEM;
++
+ priv->qdiscs[i] = qdisc;
+ qdisc->flags |= TCQ_F_ONETXQUEUE | TCQ_F_NOPARENT;
+ }
+@@ -148,7 +145,7 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
+ priv->hw_owned = 1;
+ err = dev->netdev_ops->ndo_setup_tc(dev, sch->handle, 0, &tc);
+ if (err)
+- goto err;
++ return err;
+ } else {
+ netdev_set_num_tc(dev, qopt->num_tc);
+ for (i = 0; i < qopt->num_tc; i++)
+@@ -162,10 +159,6 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
+
+ sch->flags |= TCQ_F_MQROOT;
+ return 0;
+-
+-err:
+- mqprio_destroy(sch);
+- return err;
+ }
+
+ static void mqprio_attach(struct Qdisc *sch)
+diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
+index 7f195ed4d568..bc5e99584e41 100644
+--- a/net/sched/sch_sfq.c
++++ b/net/sched/sch_sfq.c
+@@ -742,9 +742,10 @@ static int sfq_init(struct Qdisc *sch, struct nlattr *opt)
+ q->ht = sfq_alloc(sizeof(q->ht[0]) * q->divisor);
+ q->slots = sfq_alloc(sizeof(q->slots[0]) * q->maxflows);
+ if (!q->ht || !q->slots) {
+- sfq_destroy(sch);
++ /* Note: sfq_destroy() will be called by our caller */
+ return -ENOMEM;
+ }
++
+ for (i = 0; i < q->divisor; i++)
+ q->ht[i] = SFQ_EMPTY_SLOT;
+
+diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
+index e7a3068a1c3b..e9e9bc5c8773 100644
+--- a/net/wireless/nl80211.c
++++ b/net/wireless/nl80211.c
+@@ -305,8 +305,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+ [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+ [NL80211_ATTR_PID] = { .type = NLA_U32 },
+ [NL80211_ATTR_4ADDR] = { .type = NLA_U8 },
+- [NL80211_ATTR_PMKID] = { .type = NLA_BINARY,
+- .len = WLAN_PMKID_LEN },
++ [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN },
+ [NL80211_ATTR_DURATION] = { .type = NLA_U32 },
+ [NL80211_ATTR_COOKIE] = { .type = NLA_U64 },
+ [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED },
+@@ -362,6 +361,7 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
+ [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 },
+ [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 },
++ [NL80211_ATTR_LOCAL_MESH_POWER_MODE] = {. type = NLA_U32 },
+ [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 },
+ [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 },
+@@ -512,7 +512,7 @@ nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
+ static const struct nla_policy
+ nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
+ [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
+- [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY,
++ [NL80211_NAN_FUNC_SERVICE_ID] = {
+ .len = NL80211_NAN_FUNC_SERVICE_ID_LEN },
+ [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
+ [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
+@@ -6326,6 +6326,10 @@ static int validate_scan_freqs(struct nlattr *freqs)
+ struct nlattr *attr1, *attr2;
+ int n_channels = 0, tmp1, tmp2;
+
++ nla_for_each_nested(attr1, freqs, tmp1)
++ if (nla_len(attr1) != sizeof(u32))
++ return 0;
++
+ nla_for_each_nested(attr1, freqs, tmp1) {
+ n_channels++;
+ /*
+diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
+index a8368d1c4348..55171647f516 100755
+--- a/scripts/checkpatch.pl
++++ b/scripts/checkpatch.pl
+@@ -3499,7 +3499,7 @@ sub process {
+ $fixedline =~ s/\s*=\s*$/ = {/;
+ fix_insert_line($fixlinenr, $fixedline);
+ $fixedline = $line;
+- $fixedline =~ s/^(.\s*){\s*/$1/;
++ $fixedline =~ s/^(.\s*)\{\s*/$1/;
+ fix_insert_line($fixlinenr, $fixedline);
+ }
+ }
+@@ -3840,7 +3840,7 @@ sub process {
+ my $fixedline = rtrim($prevrawline) . " {";
+ fix_insert_line($fixlinenr, $fixedline);
+ $fixedline = $rawline;
+- $fixedline =~ s/^(.\s*){\s*/$1\t/;
++ $fixedline =~ s/^(.\s*)\{\s*/$1\t/;
+ if ($fixedline !~ /^\+\s*$/) {
+ fix_insert_line($fixlinenr, $fixedline);
+ }
+@@ -4329,7 +4329,7 @@ sub process {
+ if (ERROR("SPACING",
+ "space required before the open brace '{'\n" . $herecurr) &&
+ $fix) {
+- $fixed[$fixlinenr] =~ s/^(\+.*(?:do|\))){/$1 {/;
++ $fixed[$fixlinenr] =~ s/^(\+.*(?:do|\)))\{/$1 {/;
+ }
+ }
+
+diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h
+index c808c7d02d21..d30214221920 100644
+--- a/tools/lib/lockdep/uinclude/linux/lockdep.h
++++ b/tools/lib/lockdep/uinclude/linux/lockdep.h
+@@ -8,7 +8,7 @@
+ #include <linux/utsname.h>
+ #include <linux/compiler.h>
+
+-#define MAX_LOCK_DEPTH 2000UL
++#define MAX_LOCK_DEPTH 63UL
+
+ #define asmlinkage
+ #define __visible
+diff --git a/tools/testing/selftests/capabilities/test_execve.c b/tools/testing/selftests/capabilities/test_execve.c
+index 10a21a958aaf..763f37fecfb8 100644
+--- a/tools/testing/selftests/capabilities/test_execve.c
++++ b/tools/testing/selftests/capabilities/test_execve.c
+@@ -138,9 +138,6 @@ static void chdir_to_tmpfs(void)
+
+ if (chdir(cwd) != 0)
+ err(1, "chdir to private tmpfs");
+-
+- if (umount2(".", MNT_DETACH) != 0)
+- err(1, "detach private tmpfs");
+ }
+
+ static void copy_fromat_to(int fromfd, const char *fromname, const char *toname)
+@@ -248,7 +245,7 @@ static int do_tests(int uid, const char *our_path)
+ err(1, "chown");
+ if (chmod("validate_cap_sgidnonroot", S_ISGID | 0710) != 0)
+ err(1, "chmod");
+-}
++ }
+
+ capng_get_caps_process();
+
+@@ -384,7 +381,7 @@ static int do_tests(int uid, const char *our_path)
+ } else {
+ printf("[RUN]\tNon-root +ia, sgidnonroot => i\n");
+ exec_other_validate_cap("./validate_cap_sgidnonroot",
+- false, false, true, false);
++ false, false, true, false);
+
+ if (fork_wait()) {
+ printf("[RUN]\tNon-root +ia, sgidroot => i\n");