Linux patch 5.15.455.15-49

Signed-off-by: Mike Pagano <mpagano@gentoo.org>

2 files changed, 2241 insertions, 0 deletions

diff --git a/0000_README b/0000_README
index d8201ada..3eb87193 100644
--- a/0000_README
+++ b/0000_README
@@ -219,6 +219,10 @@ Patch:  1043_linux-5.15.44.patch
 From:   http://www.kernel.org
 Desc:   Linux 5.15.44
 
+Patch:  1044_linux-5.15.45.patch
+From:   http://www.kernel.org
+Desc:   Linux 5.15.45
+
 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/1044_linux-5.15.45.patch b/1044_linux-5.15.45.patch
new file mode 100644
index 00000000..7c13cc7b
--- /dev/null
+++ b/1044_linux-5.15.45.patch
@@ -0,0 +1,2237 @@
+diff --git a/Documentation/process/submitting-patches.rst b/Documentation/process/submitting-patches.rst
+index 8ad6b93f91e6d..025272139539c 100644
+--- a/Documentation/process/submitting-patches.rst
++++ b/Documentation/process/submitting-patches.rst
+@@ -72,7 +72,7 @@ as you intend it to.
+ 
+ The maintainer will thank you if you write your patch description in a
+ form which can be easily pulled into Linux's source code management
+-system, ``git``, as a "commit log".  See :ref:`explicit_in_reply_to`.
++system, ``git``, as a "commit log".  See :ref:`the_canonical_patch_format`.
+ 
+ Solve only one problem per patch.  If your description starts to get
+ long, that's a sign that you probably need to split up your patch.
+diff --git a/Makefile b/Makefile
+index b8ce2ba174862..e58d682071a89 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 5
+ PATCHLEVEL = 15
+-SUBLEVEL = 44
++SUBLEVEL = 45
+ EXTRAVERSION =
+ NAME = Trick or Treat
+ 
+diff --git a/arch/arm/boot/dts/s5pv210-aries.dtsi b/arch/arm/boot/dts/s5pv210-aries.dtsi
+index 160f8cd9a68da..2f57100a011a3 100644
+--- a/arch/arm/boot/dts/s5pv210-aries.dtsi
++++ b/arch/arm/boot/dts/s5pv210-aries.dtsi
+@@ -895,7 +895,7 @@
+ 		device-wakeup-gpios = <&gpg3 4 GPIO_ACTIVE_HIGH>;
+ 		interrupt-parent = <&gph2>;
+ 		interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;
+-		interrupt-names = "host-wake";
++		interrupt-names = "host-wakeup";
+ 	};
+ };
+ 
+diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
+index 0b2f684cd8ca5..a30c036577a32 100644
+--- a/arch/arm64/kvm/arm.c
++++ b/arch/arm64/kvm/arm.c
+@@ -1458,7 +1458,8 @@ static int kvm_init_vector_slots(void)
+ 	base = kern_hyp_va(kvm_ksym_ref(__bp_harden_hyp_vecs));
+ 	kvm_init_vector_slot(base, HYP_VECTOR_SPECTRE_DIRECT);
+ 
+-	if (kvm_system_needs_idmapped_vectors() && !has_vhe()) {
++	if (kvm_system_needs_idmapped_vectors() &&
++	    !is_protected_kvm_enabled()) {
+ 		err = create_hyp_exec_mappings(__pa_symbol(__bp_harden_hyp_vecs),
+ 					       __BP_HARDEN_HYP_VECS_SZ, &base);
+ 		if (err)
+diff --git a/arch/powerpc/kvm/book3s_hv_uvmem.c b/arch/powerpc/kvm/book3s_hv_uvmem.c
+index a7061ee3b1577..3fbe710ff8390 100644
+--- a/arch/powerpc/kvm/book3s_hv_uvmem.c
++++ b/arch/powerpc/kvm/book3s_hv_uvmem.c
+@@ -360,13 +360,15 @@ static bool kvmppc_gfn_is_uvmem_pfn(unsigned long gfn, struct kvm *kvm,
+ static bool kvmppc_next_nontransitioned_gfn(const struct kvm_memory_slot *memslot,
+ 		struct kvm *kvm, unsigned long *gfn)
+ {
+-	struct kvmppc_uvmem_slot *p;
++	struct kvmppc_uvmem_slot *p = NULL, *iter;
+ 	bool ret = false;
+ 	unsigned long i;
+ 
+-	list_for_each_entry(p, &kvm->arch.uvmem_pfns, list)
+-		if (*gfn >= p->base_pfn && *gfn < p->base_pfn + p->nr_pfns)
++	list_for_each_entry(iter, &kvm->arch.uvmem_pfns, list)
++		if (*gfn >= iter->base_pfn && *gfn < iter->base_pfn + iter->nr_pfns) {
++			p = iter;
+ 			break;
++		}
+ 	if (!p)
+ 		return ret;
+ 	/*
+diff --git a/arch/x86/kernel/cpu/sgx/encl.c b/arch/x86/kernel/cpu/sgx/encl.c
+index 7c63a1911fae9..3c24e6124d955 100644
+--- a/arch/x86/kernel/cpu/sgx/encl.c
++++ b/arch/x86/kernel/cpu/sgx/encl.c
+@@ -12,6 +12,92 @@
+ #include "encls.h"
+ #include "sgx.h"
+ 
++#define PCMDS_PER_PAGE (PAGE_SIZE / sizeof(struct sgx_pcmd))
++/*
++ * 32 PCMD entries share a PCMD page. PCMD_FIRST_MASK is used to
++ * determine the page index associated with the first PCMD entry
++ * within a PCMD page.
++ */
++#define PCMD_FIRST_MASK GENMASK(4, 0)
++
++/**
++ * reclaimer_writing_to_pcmd() - Query if any enclave page associated with
++ *                               a PCMD page is in process of being reclaimed.
++ * @encl:        Enclave to which PCMD page belongs
++ * @start_addr:  Address of enclave page using first entry within the PCMD page
++ *
++ * When an enclave page is reclaimed some Paging Crypto MetaData (PCMD) is
++ * stored. The PCMD data of a reclaimed enclave page contains enough
++ * information for the processor to verify the page at the time
++ * it is loaded back into the Enclave Page Cache (EPC).
++ *
++ * The backing storage to which enclave pages are reclaimed is laid out as
++ * follows:
++ * Encrypted enclave pages:SECS page:PCMD pages
++ *
++ * Each PCMD page contains the PCMD metadata of
++ * PAGE_SIZE/sizeof(struct sgx_pcmd) enclave pages.
++ *
++ * A PCMD page can only be truncated if it is (a) empty, and (b) not in the
++ * process of getting data (and thus soon being non-empty). (b) is tested with
++ * a check if an enclave page sharing the PCMD page is in the process of being
++ * reclaimed.
++ *
++ * The reclaimer sets the SGX_ENCL_PAGE_BEING_RECLAIMED flag when it
++ * intends to reclaim that enclave page - it means that the PCMD page
++ * associated with that enclave page is about to get some data and thus
++ * even if the PCMD page is empty, it should not be truncated.
++ *
++ * Context: Enclave mutex (&sgx_encl->lock) must be held.
++ * Return: 1 if the reclaimer is about to write to the PCMD page
++ *         0 if the reclaimer has no intention to write to the PCMD page
++ */
++static int reclaimer_writing_to_pcmd(struct sgx_encl *encl,
++				     unsigned long start_addr)
++{
++	int reclaimed = 0;
++	int i;
++
++	/*
++	 * PCMD_FIRST_MASK is based on number of PCMD entries within
++	 * PCMD page being 32.
++	 */
++	BUILD_BUG_ON(PCMDS_PER_PAGE != 32);
++
++	for (i = 0; i < PCMDS_PER_PAGE; i++) {
++		struct sgx_encl_page *entry;
++		unsigned long addr;
++
++		addr = start_addr + i * PAGE_SIZE;
++
++		/*
++		 * Stop when reaching the SECS page - it does not
++		 * have a page_array entry and its reclaim is
++		 * started and completed with enclave mutex held so
++		 * it does not use the SGX_ENCL_PAGE_BEING_RECLAIMED
++		 * flag.
++		 */
++		if (addr == encl->base + encl->size)
++			break;
++
++		entry = xa_load(&encl->page_array, PFN_DOWN(addr));
++		if (!entry)
++			continue;
++
++		/*
++		 * VA page slot ID uses same bit as the flag so it is important
++		 * to ensure that the page is not already in backing store.
++		 */
++		if (entry->epc_page &&
++		    (entry->desc & SGX_ENCL_PAGE_BEING_RECLAIMED)) {
++			reclaimed = 1;
++			break;
++		}
++	}
++
++	return reclaimed;
++}
++
+ /*
+  * Calculate byte offset of a PCMD struct associated with an enclave page. PCMD's
+  * follow right after the EPC data in the backing storage. In addition to the
+@@ -47,6 +133,7 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page,
+ 	unsigned long va_offset = encl_page->desc & SGX_ENCL_PAGE_VA_OFFSET_MASK;
+ 	struct sgx_encl *encl = encl_page->encl;
+ 	pgoff_t page_index, page_pcmd_off;
++	unsigned long pcmd_first_page;
+ 	struct sgx_pageinfo pginfo;
+ 	struct sgx_backing b;
+ 	bool pcmd_page_empty;
+@@ -58,6 +145,11 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page,
+ 	else
+ 		page_index = PFN_DOWN(encl->size);
+ 
++	/*
++	 * Address of enclave page using the first entry within the PCMD page.
++	 */
++	pcmd_first_page = PFN_PHYS(page_index & ~PCMD_FIRST_MASK) + encl->base;
++
+ 	page_pcmd_off = sgx_encl_get_backing_page_pcmd_offset(encl, page_index);
+ 
+ 	ret = sgx_encl_get_backing(encl, page_index, &b);
+@@ -84,6 +176,7 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page,
+ 	}
+ 
+ 	memset(pcmd_page + b.pcmd_offset, 0, sizeof(struct sgx_pcmd));
++	set_page_dirty(b.pcmd);
+ 
+ 	/*
+ 	 * The area for the PCMD in the page was zeroed above.  Check if the
+@@ -94,12 +187,20 @@ static int __sgx_encl_eldu(struct sgx_encl_page *encl_page,
+ 	kunmap_atomic(pcmd_page);
+ 	kunmap_atomic((void *)(unsigned long)pginfo.contents);
+ 
+-	sgx_encl_put_backing(&b, false);
++	get_page(b.pcmd);
++	sgx_encl_put_backing(&b);
+ 
+ 	sgx_encl_truncate_backing_page(encl, page_index);
+ 
+-	if (pcmd_page_empty)
++	if (pcmd_page_empty && !reclaimer_writing_to_pcmd(encl, pcmd_first_page)) {
+ 		sgx_encl_truncate_backing_page(encl, PFN_DOWN(page_pcmd_off));
++		pcmd_page = kmap_atomic(b.pcmd);
++		if (memchr_inv(pcmd_page, 0, PAGE_SIZE))
++			pr_warn("PCMD page not empty after truncate.\n");
++		kunmap_atomic(pcmd_page);
++	}
++
++	put_page(b.pcmd);
+ 
+ 	return ret;
+ }
+@@ -645,15 +746,9 @@ int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index,
+ /**
+  * sgx_encl_put_backing() - Unpin the backing storage
+  * @backing:	data for accessing backing storage for the page
+- * @do_write:	mark pages dirty
+  */
+-void sgx_encl_put_backing(struct sgx_backing *backing, bool do_write)
++void sgx_encl_put_backing(struct sgx_backing *backing)
+ {
+-	if (do_write) {
+-		set_page_dirty(backing->pcmd);
+-		set_page_dirty(backing->contents);
+-	}
+-
+ 	put_page(backing->pcmd);
+ 	put_page(backing->contents);
+ }
+diff --git a/arch/x86/kernel/cpu/sgx/encl.h b/arch/x86/kernel/cpu/sgx/encl.h
+index fec43ca65065b..d44e7372151f0 100644
+--- a/arch/x86/kernel/cpu/sgx/encl.h
++++ b/arch/x86/kernel/cpu/sgx/encl.h
+@@ -107,7 +107,7 @@ void sgx_encl_release(struct kref *ref);
+ int sgx_encl_mm_add(struct sgx_encl *encl, struct mm_struct *mm);
+ int sgx_encl_get_backing(struct sgx_encl *encl, unsigned long page_index,
+ 			 struct sgx_backing *backing);
+-void sgx_encl_put_backing(struct sgx_backing *backing, bool do_write);
++void sgx_encl_put_backing(struct sgx_backing *backing);
+ int sgx_encl_test_and_clear_young(struct mm_struct *mm,
+ 				  struct sgx_encl_page *page);
+ 
+diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
+index 8471a8b9b48e8..00e09a2b933ac 100644
+--- a/arch/x86/kernel/cpu/sgx/main.c
++++ b/arch/x86/kernel/cpu/sgx/main.c
+@@ -170,6 +170,8 @@ static int __sgx_encl_ewb(struct sgx_epc_page *epc_page, void *va_slot,
+ 			  backing->pcmd_offset;
+ 
+ 	ret = __ewb(&pginfo, sgx_get_epc_virt_addr(epc_page), va_slot);
++	set_page_dirty(backing->pcmd);
++	set_page_dirty(backing->contents);
+ 
+ 	kunmap_atomic((void *)(unsigned long)(pginfo.metadata -
+ 					      backing->pcmd_offset));
+@@ -287,6 +289,7 @@ static void sgx_reclaimer_write(struct sgx_epc_page *epc_page,
+ 	sgx_encl_ewb(epc_page, backing);
+ 	encl_page->epc_page = NULL;
+ 	encl->secs_child_cnt--;
++	sgx_encl_put_backing(backing);
+ 
+ 	if (!encl->secs_child_cnt && test_bit(SGX_ENCL_INITIALIZED, &encl->flags)) {
+ 		ret = sgx_encl_get_backing(encl, PFN_DOWN(encl->size),
+@@ -299,7 +302,7 @@ static void sgx_reclaimer_write(struct sgx_epc_page *epc_page,
+ 		sgx_encl_free_epc_page(encl->secs.epc_page);
+ 		encl->secs.epc_page = NULL;
+ 
+-		sgx_encl_put_backing(&secs_backing, true);
++		sgx_encl_put_backing(&secs_backing);
+ 	}
+ 
+ out:
+@@ -360,11 +363,14 @@ static void sgx_reclaim_pages(void)
+ 			goto skip;
+ 
+ 		page_index = PFN_DOWN(encl_page->desc - encl_page->encl->base);
++
++		mutex_lock(&encl_page->encl->lock);
+ 		ret = sgx_encl_get_backing(encl_page->encl, page_index, &backing[i]);
+-		if (ret)
++		if (ret) {
++			mutex_unlock(&encl_page->encl->lock);
+ 			goto skip;
++		}
+ 
+-		mutex_lock(&encl_page->encl->lock);
+ 		encl_page->desc |= SGX_ENCL_PAGE_BEING_RECLAIMED;
+ 		mutex_unlock(&encl_page->encl->lock);
+ 		continue;
+@@ -392,7 +398,6 @@ skip:
+ 
+ 		encl_page = epc_page->owner;
+ 		sgx_reclaimer_write(epc_page, &backing[i]);
+-		sgx_encl_put_backing(&backing[i], true);
+ 
+ 		kref_put(&encl_page->encl->refcount, sgx_encl_release);
+ 		epc_page->flags &= ~SGX_EPC_PAGE_RECLAIMER_TRACKED;
+diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c
+index d36b58e705b6c..9e3af56747e8f 100644
+--- a/arch/x86/kernel/kvm.c
++++ b/arch/x86/kernel/kvm.c
+@@ -188,7 +188,7 @@ void kvm_async_pf_task_wake(u32 token)
+ {
+ 	u32 key = hash_32(token, KVM_TASK_SLEEP_HASHBITS);
+ 	struct kvm_task_sleep_head *b = &async_pf_sleepers[key];
+-	struct kvm_task_sleep_node *n;
++	struct kvm_task_sleep_node *n, *dummy = NULL;
+ 
+ 	if (token == ~0) {
+ 		apf_task_wake_all();
+@@ -200,28 +200,41 @@ again:
+ 	n = _find_apf_task(b, token);
+ 	if (!n) {
+ 		/*
+-		 * async PF was not yet handled.
+-		 * Add dummy entry for the token.
++		 * Async #PF not yet handled, add a dummy entry for the token.
++		 * Allocating the token must be down outside of the raw lock
++		 * as the allocator is preemptible on PREEMPT_RT kernels.
+ 		 */
+-		n = kzalloc(sizeof(*n), GFP_ATOMIC);
+-		if (!n) {
++		if (!dummy) {
++			raw_spin_unlock(&b->lock);
++			dummy = kzalloc(sizeof(*dummy), GFP_ATOMIC);
++
+ 			/*
+-			 * Allocation failed! Busy wait while other cpu
+-			 * handles async PF.
++			 * Continue looping on allocation failure, eventually
++			 * the async #PF will be handled and allocating a new
++			 * node will be unnecessary.
++			 */
++			if (!dummy)
++				cpu_relax();
++
++			/*
++			 * Recheck for async #PF completion before enqueueing
++			 * the dummy token to avoid duplicate list entries.
+ 			 */
+-			raw_spin_unlock(&b->lock);
+-			cpu_relax();
+ 			goto again;
+ 		}
+-		n->token = token;
+-		n->cpu = smp_processor_id();
+-		init_swait_queue_head(&n->wq);
+-		hlist_add_head(&n->link, &b->list);
++		dummy->token = token;
++		dummy->cpu = smp_processor_id();
++		init_swait_queue_head(&dummy->wq);
++		hlist_add_head(&dummy->link, &b->list);
++		dummy = NULL;
+ 	} else {
+ 		apf_task_wake_one(n);
+ 	}
+ 	raw_spin_unlock(&b->lock);
+-	return;
++
++	/* A dummy token might be allocated and ultimately not used.  */
++	if (dummy)
++		kfree(dummy);
+ }
+ EXPORT_SYMBOL_GPL(kvm_async_pf_task_wake);
+ 
+diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
+index 556e7a3f35627..993daa6fb1287 100644
+--- a/arch/x86/kvm/svm/nested.c
++++ b/arch/x86/kvm/svm/nested.c
+@@ -750,9 +750,6 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
+ 	struct kvm_host_map map;
+ 	int rc;
+ 
+-	/* Triple faults in L2 should never escape. */
+-	WARN_ON_ONCE(kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu));
+-
+ 	rc = kvm_vcpu_map(vcpu, gpa_to_gfn(svm->nested.vmcb12_gpa), &map);
+ 	if (rc) {
+ 		if (rc == -EINVAL)
+diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
+index c8c3212250618..4a4dc105552e3 100644
+--- a/arch/x86/kvm/svm/sev.c
++++ b/arch/x86/kvm/svm/sev.c
+@@ -676,7 +676,7 @@ static int sev_launch_measure(struct kvm *kvm, struct kvm_sev_cmd *argp)
+ 		if (params.len > SEV_FW_BLOB_MAX_SIZE)
+ 			return -EINVAL;
+ 
+-		blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT);
++		blob = kzalloc(params.len, GFP_KERNEL_ACCOUNT);
+ 		if (!blob)
+ 			return -ENOMEM;
+ 
+@@ -796,7 +796,7 @@ static int __sev_dbg_decrypt_user(struct kvm *kvm, unsigned long paddr,
+ 	if (!IS_ALIGNED(dst_paddr, 16) ||
+ 	    !IS_ALIGNED(paddr,     16) ||
+ 	    !IS_ALIGNED(size,      16)) {
+-		tpage = (void *)alloc_page(GFP_KERNEL);
++		tpage = (void *)alloc_page(GFP_KERNEL | __GFP_ZERO);
+ 		if (!tpage)
+ 			return -ENOMEM;
+ 
+@@ -1082,7 +1082,7 @@ static int sev_get_attestation_report(struct kvm *kvm, struct kvm_sev_cmd *argp)
+ 		if (params.len > SEV_FW_BLOB_MAX_SIZE)
+ 			return -EINVAL;
+ 
+-		blob = kmalloc(params.len, GFP_KERNEL_ACCOUNT);
++		blob = kzalloc(params.len, GFP_KERNEL_ACCOUNT);
+ 		if (!blob)
+ 			return -ENOMEM;
+ 
+@@ -1164,7 +1164,7 @@ static int sev_send_start(struct kvm *kvm, struct kvm_sev_cmd *argp)
+ 		return -EINVAL;
+ 
+ 	/* allocate the memory to hold the session data blob */
+-	session_data = kmalloc(params.session_len, GFP_KERNEL_ACCOUNT);
++	session_data = kzalloc(params.session_len, GFP_KERNEL_ACCOUNT);
+ 	if (!session_data)
+ 		return -ENOMEM;
+ 
+@@ -1288,11 +1288,11 @@ static int sev_send_update_data(struct kvm *kvm, struct kvm_sev_cmd *argp)
+ 
+ 	/* allocate memory for header and transport buffer */
+ 	ret = -ENOMEM;
+-	hdr = kmalloc(params.hdr_len, GFP_KERNEL_ACCOUNT);
++	hdr = kzalloc(params.hdr_len, GFP_KERNEL_ACCOUNT);
+ 	if (!hdr)
+ 		goto e_unpin;
+ 
+-	trans_data = kmalloc(params.trans_len, GFP_KERNEL_ACCOUNT);
++	trans_data = kzalloc(params.trans_len, GFP_KERNEL_ACCOUNT);
+ 	if (!trans_data)
+ 		goto e_free_hdr;
+ 
+diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
+index 1546a10ecb564..5eae69c8123b2 100644
+--- a/arch/x86/kvm/vmx/nested.c
++++ b/arch/x86/kvm/vmx/nested.c
+@@ -4501,9 +4501,6 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
+ 	/* trying to cancel vmlaunch/vmresume is a bug */
+ 	WARN_ON_ONCE(vmx->nested.nested_run_pending);
+ 
+-	/* Similarly, triple faults in L2 should never escape. */
+-	WARN_ON_ONCE(kvm_check_request(KVM_REQ_TRIPLE_FAULT, vcpu));
+-
+ 	if (kvm_check_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu)) {
+ 		/*
+ 		 * KVM_REQ_GET_NESTED_STATE_PAGES is also used to map
+diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
+index 75da9c0d5ae37..23905ba3058ae 100644
+--- a/arch/x86/kvm/x86.c
++++ b/arch/x86/kvm/x86.c
+@@ -7846,7 +7846,7 @@ int kvm_skip_emulated_instruction(struct kvm_vcpu *vcpu)
+ }
+ EXPORT_SYMBOL_GPL(kvm_skip_emulated_instruction);
+ 
+-static bool kvm_vcpu_check_breakpoint(struct kvm_vcpu *vcpu, int *r)
++static bool kvm_vcpu_check_code_breakpoint(struct kvm_vcpu *vcpu, int *r)
+ {
+ 	if (unlikely(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) &&
+ 	    (vcpu->arch.guest_debug_dr7 & DR7_BP_EN_MASK)) {
+@@ -7915,25 +7915,23 @@ static bool is_vmware_backdoor_opcode(struct x86_emulate_ctxt *ctxt)
+ }
+ 
+ /*
+- * Decode to be emulated instruction. Return EMULATION_OK if success.
++ * Decode an instruction for emulation.  The caller is responsible for handling
++ * code breakpoints.  Note, manually detecting code breakpoints is unnecessary
++ * (and wrong) when emulating on an intercepted fault-like exception[*], as
++ * code breakpoints have higher priority and thus have already been done by
++ * hardware.
++ *
++ * [*] Except #MC, which is higher priority, but KVM should never emulate in
++ *     response to a machine check.
+  */
+ int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type,
+ 				    void *insn, int insn_len)
+ {
+-	int r = EMULATION_OK;
+ 	struct x86_emulate_ctxt *ctxt = vcpu->arch.emulate_ctxt;
++	int r;
+ 
+ 	init_emulate_ctxt(vcpu);
+ 
+-	/*
+-	 * We will reenter on the same instruction since we do not set
+-	 * complete_userspace_io. This does not handle watchpoints yet,
+-	 * those would be handled in the emulate_ops.
+-	 */
+-	if (!(emulation_type & EMULTYPE_SKIP) &&
+-	    kvm_vcpu_check_breakpoint(vcpu, &r))
+-		return r;
+-
+ 	r = x86_decode_insn(ctxt, insn, insn_len, emulation_type);
+ 
+ 	trace_kvm_emulate_insn_start(vcpu);
+@@ -7966,6 +7964,15 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa,
+ 	if (!(emulation_type & EMULTYPE_NO_DECODE)) {
+ 		kvm_clear_exception_queue(vcpu);
+ 
++		/*
++		 * Return immediately if RIP hits a code breakpoint, such #DBs
++		 * are fault-like and are higher priority than any faults on
++		 * the code fetch itself.
++		 */
++		if (!(emulation_type & EMULTYPE_SKIP) &&
++		    kvm_vcpu_check_code_breakpoint(vcpu, &r))
++			return r;
++
+ 		r = x86_decode_emulated_instruction(vcpu, emulation_type,
+ 						    insn, insn_len);
+ 		if (r != EMULATION_OK)  {
+diff --git a/crypto/Kconfig b/crypto/Kconfig
+index 55718de561375..a346b6f74bb39 100644
+--- a/crypto/Kconfig
++++ b/crypto/Kconfig
+@@ -1924,5 +1924,3 @@ source "crypto/asymmetric_keys/Kconfig"
+ source "certs/Kconfig"
+ 
+ endif	# if CRYPTO
+-
+-source "lib/crypto/Kconfig"
+diff --git a/crypto/drbg.c b/crypto/drbg.c
+index 03c9ef768c227..761104e93d44a 100644
+--- a/crypto/drbg.c
++++ b/crypto/drbg.c
+@@ -1036,17 +1036,38 @@ static const struct drbg_state_ops drbg_hash_ops = {
+  ******************************************************************/
+ 
+ static inline int __drbg_seed(struct drbg_state *drbg, struct list_head *seed,
+-			      int reseed)
++			      int reseed, enum drbg_seed_state new_seed_state)
+ {
+ 	int ret = drbg->d_ops->update(drbg, seed, reseed);
+ 
+ 	if (ret)
+ 		return ret;
+ 
+-	drbg->seeded = true;
++	drbg->seeded = new_seed_state;
+ 	/* 10.1.1.2 / 10.1.1.3 step 5 */
+ 	drbg->reseed_ctr = 1;
+ 
++	switch (drbg->seeded) {
++	case DRBG_SEED_STATE_UNSEEDED:
++		/* Impossible, but handle it to silence compiler warnings. */
++		fallthrough;
++	case DRBG_SEED_STATE_PARTIAL:
++		/*
++		 * Require frequent reseeds until the seed source is
++		 * fully initialized.
++		 */
++		drbg->reseed_threshold = 50;
++		break;
++
++	case DRBG_SEED_STATE_FULL:
++		/*
++		 * Seed source has become fully initialized, frequent
++		 * reseeds no longer required.
++		 */
++		drbg->reseed_threshold = drbg_max_requests(drbg);
++		break;
++	}
++
+ 	return ret;
+ }
+ 
+@@ -1066,12 +1087,10 @@ static inline int drbg_get_random_bytes(struct drbg_state *drbg,
+ 	return 0;
+ }
+ 
+-static void drbg_async_seed(struct work_struct *work)
++static int drbg_seed_from_random(struct drbg_state *drbg)
+ {
+ 	struct drbg_string data;
+ 	LIST_HEAD(seedlist);
+-	struct drbg_state *drbg = container_of(work, struct drbg_state,
+-					       seed_work);
+ 	unsigned int entropylen = drbg_sec_strength(drbg->core->flags);
+ 	unsigned char entropy[32];
+ 	int ret;
+@@ -1082,26 +1101,15 @@ static void drbg_async_seed(struct work_struct *work)
+ 	drbg_string_fill(&data, entropy, entropylen);
+ 	list_add_tail(&data.list, &seedlist);
+ 
+-	mutex_lock(&drbg->drbg_mutex);
+-
+ 	ret = drbg_get_random_bytes(drbg, entropy, entropylen);
+ 	if (ret)
+-		goto unlock;
+-
+-	/* Set seeded to false so that if __drbg_seed fails the
+-	 * next generate call will trigger a reseed.
+-	 */
+-	drbg->seeded = false;
+-
+-	__drbg_seed(drbg, &seedlist, true);
+-
+-	if (drbg->seeded)
+-		drbg->reseed_threshold = drbg_max_requests(drbg);
++		goto out;
+ 
+-unlock:
+-	mutex_unlock(&drbg->drbg_mutex);
++	ret = __drbg_seed(drbg, &seedlist, true, DRBG_SEED_STATE_FULL);
+ 
++out:
+ 	memzero_explicit(entropy, entropylen);
++	return ret;
+ }
+ 
+ /*
+@@ -1123,6 +1131,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
+ 	unsigned int entropylen = drbg_sec_strength(drbg->core->flags);
+ 	struct drbg_string data1;
+ 	LIST_HEAD(seedlist);
++	enum drbg_seed_state new_seed_state = DRBG_SEED_STATE_FULL;
+ 
+ 	/* 9.1 / 9.2 / 9.3.1 step 3 */
+ 	if (pers && pers->len > (drbg_max_addtl(drbg))) {
+@@ -1150,6 +1159,9 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
+ 		BUG_ON((entropylen * 2) > sizeof(entropy));
+ 
+ 		/* Get seed from in-kernel /dev/urandom */
++		if (!rng_is_initialized())
++			new_seed_state = DRBG_SEED_STATE_PARTIAL;
++
+ 		ret = drbg_get_random_bytes(drbg, entropy, entropylen);
+ 		if (ret)
+ 			goto out;
+@@ -1206,7 +1218,7 @@ static int drbg_seed(struct drbg_state *drbg, struct drbg_string *pers,
+ 		memset(drbg->C, 0, drbg_statelen(drbg));
+ 	}
+ 
+-	ret = __drbg_seed(drbg, &seedlist, reseed);
++	ret = __drbg_seed(drbg, &seedlist, reseed, new_seed_state);
+ 
+ out:
+ 	memzero_explicit(entropy, entropylen * 2);
+@@ -1386,19 +1398,25 @@ static int drbg_generate(struct drbg_state *drbg,
+ 	 * here. The spec is a bit convoluted here, we make it simpler.
+ 	 */
+ 	if (drbg->reseed_threshold < drbg->reseed_ctr)
+-		drbg->seeded = false;
++		drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
+ 
+-	if (drbg->pr || !drbg->seeded) {
++	if (drbg->pr || drbg->seeded == DRBG_SEED_STATE_UNSEEDED) {
+ 		pr_devel("DRBG: reseeding before generation (prediction "
+ 			 "resistance: %s, state %s)\n",
+ 			 drbg->pr ? "true" : "false",
+-			 drbg->seeded ? "seeded" : "unseeded");
++			 (drbg->seeded ==  DRBG_SEED_STATE_FULL ?
++			  "seeded" : "unseeded"));
+ 		/* 9.3.1 steps 7.1 through 7.3 */
+ 		len = drbg_seed(drbg, addtl, true);
+ 		if (len)
+ 			goto err;
+ 		/* 9.3.1 step 7.4 */
+ 		addtl = NULL;
++	} else if (rng_is_initialized() &&
++		   drbg->seeded == DRBG_SEED_STATE_PARTIAL) {
++		len = drbg_seed_from_random(drbg);
++		if (len)
++			goto err;
+ 	}
+ 
+ 	if (addtl && 0 < addtl->len)
+@@ -1491,50 +1509,15 @@ static int drbg_generate_long(struct drbg_state *drbg,
+ 	return 0;
+ }
+ 
+-static int drbg_schedule_async_seed(struct notifier_block *nb, unsigned long action, void *data)
+-{
+-	struct drbg_state *drbg = container_of(nb, struct drbg_state,
+-					       random_ready);
+-
+-	schedule_work(&drbg->seed_work);
+-	return 0;
+-}
+-
+ static int drbg_prepare_hrng(struct drbg_state *drbg)
+ {
+-	int err;
+-
+ 	/* We do not need an HRNG in test mode. */
+ 	if (list_empty(&drbg->test_data.list))
+ 		return 0;
+ 
+ 	drbg->jent = crypto_alloc_rng("jitterentropy_rng", 0, 0);
+ 
+-	INIT_WORK(&drbg->seed_work, drbg_async_seed);
+-
+-	drbg->random_ready.notifier_call = drbg_schedule_async_seed;
+-	err = register_random_ready_notifier(&drbg->random_ready);
+-
+-	switch (err) {
+-	case 0:
+-		break;
+-
+-	case -EALREADY:
+-		err = 0;
+-		fallthrough;
+-
+-	default:
+-		drbg->random_ready.notifier_call = NULL;
+-		return err;
+-	}
+-
+-	/*
+-	 * Require frequent reseeds until the seed source is fully
+-	 * initialized.
+-	 */
+-	drbg->reseed_threshold = 50;
+-
+-	return err;
++	return 0;
+ }
+ 
+ /*
+@@ -1577,7 +1560,7 @@ static int drbg_instantiate(struct drbg_state *drbg, struct drbg_string *pers,
+ 	if (!drbg->core) {
+ 		drbg->core = &drbg_cores[coreref];
+ 		drbg->pr = pr;
+-		drbg->seeded = false;
++		drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
+ 		drbg->reseed_threshold = drbg_max_requests(drbg);
+ 
+ 		ret = drbg_alloc_state(drbg);
+@@ -1628,11 +1611,6 @@ free_everything:
+  */
+ static int drbg_uninstantiate(struct drbg_state *drbg)
+ {
+-	if (drbg->random_ready.notifier_call) {
+-		unregister_random_ready_notifier(&drbg->random_ready);
+-		cancel_work_sync(&drbg->seed_work);
+-	}
+-
+ 	if (!IS_ERR_OR_NULL(drbg->jent))
+ 		crypto_free_rng(drbg->jent);
+ 	drbg->jent = NULL;
+diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c
+index 6a3fd09057d0c..f7ed430206720 100644
+--- a/crypto/ecrdsa.c
++++ b/crypto/ecrdsa.c
+@@ -113,15 +113,15 @@ static int ecrdsa_verify(struct akcipher_request *req)
+ 
+ 	/* Step 1: verify that 0 < r < q, 0 < s < q */
+ 	if (vli_is_zero(r, ndigits) ||
+-	    vli_cmp(r, ctx->curve->n, ndigits) == 1 ||
++	    vli_cmp(r, ctx->curve->n, ndigits) >= 0 ||
+ 	    vli_is_zero(s, ndigits) ||
+-	    vli_cmp(s, ctx->curve->n, ndigits) == 1)
++	    vli_cmp(s, ctx->curve->n, ndigits) >= 0)
+ 		return -EKEYREJECTED;
+ 
+ 	/* Step 2: calculate hash (h) of the message (passed as input) */
+ 	/* Step 3: calculate e = h \mod q */
+ 	vli_from_le64(e, digest, ndigits);
+-	if (vli_cmp(e, ctx->curve->n, ndigits) == 1)
++	if (vli_cmp(e, ctx->curve->n, ndigits) >= 0)
+ 		vli_sub(e, e, ctx->curve->n, ndigits);
+ 	if (vli_is_zero(e, ndigits))
+ 		e[0] = 1;
+@@ -137,7 +137,7 @@ static int ecrdsa_verify(struct akcipher_request *req)
+ 	/* Step 6: calculate point C = z_1P + z_2Q, and R = x_c \mod q */
+ 	ecc_point_mult_shamir(&cc, z1, &ctx->curve->g, z2, &ctx->pub_key,
+ 			      ctx->curve);
+-	if (vli_cmp(cc.x, ctx->curve->n, ndigits) == 1)
++	if (vli_cmp(cc.x, ctx->curve->n, ndigits) >= 0)
+ 		vli_sub(cc.x, cc.x, ctx->curve->n, ndigits);
+ 
+ 	/* Step 7: if R == r signature is valid */
+diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
+index 8eb7fddfb9300..ed91af4319b5b 100644
+--- a/drivers/bluetooth/hci_qca.c
++++ b/drivers/bluetooth/hci_qca.c
+@@ -696,9 +696,9 @@ static int qca_close(struct hci_uart *hu)
+ 	skb_queue_purge(&qca->tx_wait_q);
+ 	skb_queue_purge(&qca->txq);
+ 	skb_queue_purge(&qca->rx_memdump_q);
+-	del_timer(&qca->tx_idle_timer);
+-	del_timer(&qca->wake_retrans_timer);
+ 	destroy_workqueue(qca->workqueue);
++	del_timer_sync(&qca->tx_idle_timer);
++	del_timer_sync(&qca->wake_retrans_timer);
+ 	qca->hu = NULL;
+ 
+ 	kfree_skb(qca->rx_skb);
+diff --git a/drivers/char/random.c b/drivers/char/random.c
+index ca17a658c2147..e2f1fce8dc977 100644
+--- a/drivers/char/random.c
++++ b/drivers/char/random.c
+@@ -163,7 +163,6 @@ int __cold register_random_ready_notifier(struct notifier_block *nb)
+ 	spin_unlock_irqrestore(&random_ready_chain_lock, flags);
+ 	return ret;
+ }
+-EXPORT_SYMBOL(register_random_ready_notifier);
+ 
+ /*
+  * Delete a previously registered readiness callback function.
+@@ -178,7 +177,6 @@ int __cold unregister_random_ready_notifier(struct notifier_block *nb)
+ 	spin_unlock_irqrestore(&random_ready_chain_lock, flags);
+ 	return ret;
+ }
+-EXPORT_SYMBOL(unregister_random_ready_notifier);
+ 
+ static void __cold process_random_ready_list(void)
+ {
+diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
+index a25815a6f6253..de92065394be9 100644
+--- a/drivers/char/tpm/tpm2-cmd.c
++++ b/drivers/char/tpm/tpm2-cmd.c
+@@ -400,7 +400,16 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id,  u32 *value,
+ 	if (!rc) {
+ 		out = (struct tpm2_get_cap_out *)
+ 			&buf.data[TPM_HEADER_SIZE];
+-		*value = be32_to_cpu(out->value);
++		/*
++		 * To prevent failing boot up of some systems, Infineon TPM2.0
++		 * returns SUCCESS on TPM2_Startup in field upgrade mode. Also
++		 * the TPM2_Getcapability command returns a zero length list
++		 * in field upgrade mode.
++		 */
++		if (be32_to_cpu(out->property_cnt) > 0)
++			*value = be32_to_cpu(out->value);
++		else
++			rc = -ENODATA;
+ 	}
+ 	tpm_buf_destroy(&buf);
+ 	return rc;
+diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
+index 3af4c07a9342f..d3989b257f422 100644
+--- a/drivers/char/tpm/tpm_ibmvtpm.c
++++ b/drivers/char/tpm/tpm_ibmvtpm.c
+@@ -681,6 +681,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
+ 	if (!wait_event_timeout(ibmvtpm->crq_queue.wq,
+ 				ibmvtpm->rtce_buf != NULL,
+ 				HZ)) {
++		rc = -ENODEV;
+ 		dev_err(dev, "CRQ response timed out\n");
+ 		goto init_irq_cleanup;
+ 	}
+diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
+index ca0361b2dbb07..f87aa2169e5f5 100644
+--- a/drivers/crypto/caam/ctrl.c
++++ b/drivers/crypto/caam/ctrl.c
+@@ -609,6 +609,13 @@ static bool check_version(struct fsl_mc_version *mc_version, u32 major,
+ }
+ #endif
+ 
++static bool needs_entropy_delay_adjustment(void)
++{
++	if (of_machine_is_compatible("fsl,imx6sx"))
++		return true;
++	return false;
++}
++
+ /* Probe routine for CAAM top (controller) level */
+ static int caam_probe(struct platform_device *pdev)
+ {
+@@ -855,6 +862,8 @@ static int caam_probe(struct platform_device *pdev)
+ 			 * Also, if a handle was instantiated, do not change
+ 			 * the TRNG parameters.
+ 			 */
++			if (needs_entropy_delay_adjustment())
++				ent_delay = 12000;
+ 			if (!(ctrlpriv->rng4_sh_init || inst_handles)) {
+ 				dev_info(dev,
+ 					 "Entropy delay = %u\n",
+@@ -871,6 +880,15 @@ static int caam_probe(struct platform_device *pdev)
+ 			 */
+ 			ret = instantiate_rng(dev, inst_handles,
+ 					      gen_sk);
++			/*
++			 * Entropy delay is determined via TRNG characterization.
++			 * TRNG characterization is run across different voltages
++			 * and temperatures.
++			 * If worst case value for ent_dly is identified,
++			 * the loop can be skipped for that platform.
++			 */
++			if (needs_entropy_delay_adjustment())
++				break;
+ 			if (ret == -EAGAIN)
+ 				/*
+ 				 * if here, the loop will rerun,
+diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
+index 57c1dda76b94a..1a27e4833adfa 100644
+--- a/drivers/gpu/drm/i915/intel_pm.c
++++ b/drivers/gpu/drm/i915/intel_pm.c
+@@ -2863,7 +2863,7 @@ static void ilk_compute_wm_level(const struct drm_i915_private *dev_priv,
+ }
+ 
+ static void intel_read_wm_latency(struct drm_i915_private *dev_priv,
+-				  u16 wm[8])
++				  u16 wm[])
+ {
+ 	struct intel_uncore *uncore = &dev_priv->uncore;
+ 
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index 645a5f566d233..42b5b050b72d1 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -753,6 +753,7 @@
+ #define USB_DEVICE_ID_LENOVO_X1_COVER	0x6085
+ #define USB_DEVICE_ID_LENOVO_X1_TAB	0x60a3
+ #define USB_DEVICE_ID_LENOVO_X1_TAB3	0x60b5
++#define USB_DEVICE_ID_LENOVO_X12_TAB	0x60fe
+ #define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E	0x600e
+ #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D	0x608d
+ #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019	0x6019
+diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
+index e1afddb7b33d8..f382444dc2dba 100644
+--- a/drivers/hid/hid-multitouch.c
++++ b/drivers/hid/hid-multitouch.c
+@@ -2032,6 +2032,12 @@ static const struct hid_device_id mt_devices[] = {
+ 			   USB_VENDOR_ID_LENOVO,
+ 			   USB_DEVICE_ID_LENOVO_X1_TAB3) },
+ 
++	/* Lenovo X12 TAB Gen 1 */
++	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT,
++		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8,
++			   USB_VENDOR_ID_LENOVO,
++			   USB_DEVICE_ID_LENOVO_X12_TAB) },
++
+ 	/* MosArt panels */
+ 	{ .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
+ 		MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
+@@ -2176,6 +2182,9 @@ static const struct hid_device_id mt_devices[] = {
+ 	{ .driver_data = MT_CLS_GOOGLE,
+ 		HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_GOOGLE,
+ 			USB_DEVICE_ID_GOOGLE_TOUCH_ROSE) },
++	{ .driver_data = MT_CLS_GOOGLE,
++		HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH_WIN_8, USB_VENDOR_ID_GOOGLE,
++			USB_DEVICE_ID_GOOGLE_WHISKERS) },
+ 
+ 	/* Generic MT device */
+ 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
+diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
+index a6187cbec2c94..483428c5e30b9 100644
+--- a/drivers/i2c/busses/i2c-ismt.c
++++ b/drivers/i2c/busses/i2c-ismt.c
+@@ -82,6 +82,7 @@
+ 
+ #define ISMT_DESC_ENTRIES	2	/* number of descriptor entries */
+ #define ISMT_MAX_RETRIES	3	/* number of SMBus retries to attempt */
++#define ISMT_LOG_ENTRIES	3	/* number of interrupt cause log entries */
+ 
+ /* Hardware Descriptor Constants - Control Field */
+ #define ISMT_DESC_CWRL	0x01	/* Command/Write Length */
+@@ -175,6 +176,8 @@ struct ismt_priv {
+ 	u8 head;				/* ring buffer head pointer */
+ 	struct completion cmp;			/* interrupt completion */
+ 	u8 buffer[I2C_SMBUS_BLOCK_MAX + 16];	/* temp R/W data buffer */
++	dma_addr_t log_dma;
++	u32 *log;
+ };
+ 
+ static const struct pci_device_id ismt_ids[] = {
+@@ -411,6 +414,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
+ 	memset(desc, 0, sizeof(struct ismt_desc));
+ 	desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write);
+ 
++	/* Always clear the log entries */
++	memset(priv->log, 0, ISMT_LOG_ENTRIES * sizeof(u32));
++
+ 	/* Initialize common control bits */
+ 	if (likely(pci_dev_msi_enabled(priv->pci_dev)))
+ 		desc->control = ISMT_DESC_INT | ISMT_DESC_FAIR;
+@@ -522,6 +528,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
+ 
+ 	case I2C_SMBUS_BLOCK_PROC_CALL:
+ 		dev_dbg(dev, "I2C_SMBUS_BLOCK_PROC_CALL\n");
++		if (data->block[0] > I2C_SMBUS_BLOCK_MAX)
++			return -EINVAL;
++
+ 		dma_size = I2C_SMBUS_BLOCK_MAX;
+ 		desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, 1);
+ 		desc->wr_len_cmd = data->block[0] + 1;
+@@ -708,6 +717,8 @@ static void ismt_hw_init(struct ismt_priv *priv)
+ 	/* initialize the Master Descriptor Base Address (MDBA) */
+ 	writeq(priv->io_rng_dma, priv->smba + ISMT_MSTR_MDBA);
+ 
++	writeq(priv->log_dma, priv->smba + ISMT_GR_SMTICL);
++
+ 	/* initialize the Master Control Register (MCTRL) */
+ 	writel(ISMT_MCTRL_MEIE, priv->smba + ISMT_MSTR_MCTRL);
+ 
+@@ -795,6 +806,12 @@ static int ismt_dev_init(struct ismt_priv *priv)
+ 	priv->head = 0;
+ 	init_completion(&priv->cmp);
+ 
++	priv->log = dmam_alloc_coherent(&priv->pci_dev->dev,
++					ISMT_LOG_ENTRIES * sizeof(u32),
++					&priv->log_dma, GFP_KERNEL);
++	if (!priv->log)
++		return -ENOMEM;
++
+ 	return 0;
+ }
+ 
+diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+index 12c90aa0900e6..a77cd86fe75ed 100644
+--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
++++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+@@ -213,6 +213,7 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
+ 	i2c->adap.bus_recovery_info = &octeon_i2c_recovery_info;
+ 	i2c->adap.dev.parent = dev;
+ 	i2c->adap.dev.of_node = pdev->dev.of_node;
++	i2c->adap.dev.fwnode = dev->fwnode;
+ 	snprintf(i2c->adap.name, sizeof(i2c->adap.name),
+ 		 "Cavium ThunderX i2c adapter at %s", dev_name(dev));
+ 	i2c_set_adapdata(&i2c->adap, i2c);
+diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
+index 154139bf7d22b..f30fd38c3773b 100644
+--- a/drivers/md/dm-crypt.c
++++ b/drivers/md/dm-crypt.c
+@@ -3435,6 +3435,11 @@ static int crypt_map(struct dm_target *ti, struct bio *bio)
+ 	return DM_MAPIO_SUBMITTED;
+ }
+ 
++static char hex2asc(unsigned char c)
++{
++	return c + '0' + ((unsigned)(9 - c) >> 4 & 0x27);
++}
++
+ static void crypt_status(struct dm_target *ti, status_type_t type,
+ 			 unsigned status_flags, char *result, unsigned maxlen)
+ {
+@@ -3453,9 +3458,12 @@ static void crypt_status(struct dm_target *ti, status_type_t type,
+ 		if (cc->key_size > 0) {
+ 			if (cc->key_string)
+ 				DMEMIT(":%u:%s", cc->key_size, cc->key_string);
+-			else
+-				for (i = 0; i < cc->key_size; i++)
+-					DMEMIT("%02x", cc->key[i]);
++			else {
++				for (i = 0; i < cc->key_size; i++) {
++					DMEMIT("%c%c", hex2asc(cc->key[i] >> 4),
++					       hex2asc(cc->key[i] & 0xf));
++				}
++			}
+ 		} else
+ 			DMEMIT("-");
+ 
+diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
+index e2a51c184a254..d5b8270869620 100644
+--- a/drivers/md/dm-integrity.c
++++ b/drivers/md/dm-integrity.c
+@@ -4478,8 +4478,6 @@ try_smaller_buffer:
+ 	}
+ 
+ 	if (should_write_sb) {
+-		int r;
+-
+ 		init_journal(ic, 0, ic->journal_sections, 0);
+ 		r = dm_integrity_failed(ic);
+ 		if (unlikely(r)) {
+diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
+index 0e039a8c0bf2e..a3f2050b9c9b4 100644
+--- a/drivers/md/dm-stats.c
++++ b/drivers/md/dm-stats.c
+@@ -225,6 +225,7 @@ void dm_stats_cleanup(struct dm_stats *stats)
+ 				       atomic_read(&shared->in_flight[READ]),
+ 				       atomic_read(&shared->in_flight[WRITE]));
+ 			}
++			cond_resched();
+ 		}
+ 		dm_stat_free(&s->rcu_head);
+ 	}
+@@ -330,6 +331,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
+ 	for (ni = 0; ni < n_entries; ni++) {
+ 		atomic_set(&s->stat_shared[ni].in_flight[READ], 0);
+ 		atomic_set(&s->stat_shared[ni].in_flight[WRITE], 0);
++		cond_resched();
+ 	}
+ 
+ 	if (s->n_histogram_entries) {
+@@ -342,6 +344,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
+ 		for (ni = 0; ni < n_entries; ni++) {
+ 			s->stat_shared[ni].tmp.histogram = hi;
+ 			hi += s->n_histogram_entries + 1;
++			cond_resched();
+ 		}
+ 	}
+ 
+@@ -362,6 +365,7 @@ static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
+ 			for (ni = 0; ni < n_entries; ni++) {
+ 				p[ni].histogram = hi;
+ 				hi += s->n_histogram_entries + 1;
++				cond_resched();
+ 			}
+ 		}
+ 	}
+@@ -497,6 +501,7 @@ static int dm_stats_list(struct dm_stats *stats, const char *program,
+ 			}
+ 			DMEMIT("\n");
+ 		}
++		cond_resched();
+ 	}
+ 	mutex_unlock(&stats->mutex);
+ 
+@@ -774,6 +779,7 @@ static void __dm_stat_clear(struct dm_stat *s, size_t idx_start, size_t idx_end,
+ 				local_irq_enable();
+ 			}
+ 		}
++		cond_resched();
+ 	}
+ }
+ 
+@@ -889,6 +895,8 @@ static int dm_stats_print(struct dm_stats *stats, int id,
+ 
+ 		if (unlikely(sz + 1 >= maxlen))
+ 			goto buffer_overflow;
++
++		cond_resched();
+ 	}
+ 
+ 	if (clear)
+diff --git a/drivers/md/dm-verity-target.c b/drivers/md/dm-verity-target.c
+index 88288c8d6bc8c..426299ceb33d7 100644
+--- a/drivers/md/dm-verity-target.c
++++ b/drivers/md/dm-verity-target.c
+@@ -1312,6 +1312,7 @@ bad:
+ 
+ static struct target_type verity_target = {
+ 	.name		= "verity",
++	.features	= DM_TARGET_IMMUTABLE,
+ 	.version	= {1, 8, 0},
+ 	.module		= THIS_MODULE,
+ 	.ctr		= verity_ctr,
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index b9d062f0a02b2..e54d802ee0bb8 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -686,17 +686,17 @@ int raid5_calc_degraded(struct r5conf *conf)
+ 	return degraded;
+ }
+ 
+-static int has_failed(struct r5conf *conf)
++static bool has_failed(struct r5conf *conf)
+ {
+-	int degraded;
++	int degraded = conf->mddev->degraded;
+ 
+-	if (conf->mddev->reshape_position == MaxSector)
+-		return conf->mddev->degraded > conf->max_degraded;
++	if (test_bit(MD_BROKEN, &conf->mddev->flags))
++		return true;
+ 
+-	degraded = raid5_calc_degraded(conf);
+-	if (degraded > conf->max_degraded)
+-		return 1;
+-	return 0;
++	if (conf->mddev->reshape_position != MaxSector)
++		degraded = raid5_calc_degraded(conf);
++
++	return degraded > conf->max_degraded;
+ }
+ 
+ struct stripe_head *
+@@ -2877,34 +2877,31 @@ static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
+ 	unsigned long flags;
+ 	pr_debug("raid456: error called\n");
+ 
++	pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n",
++		mdname(mddev), bdevname(rdev->bdev, b));
++
+ 	spin_lock_irqsave(&conf->device_lock, flags);
++	set_bit(Faulty, &rdev->flags);
++	clear_bit(In_sync, &rdev->flags);
++	mddev->degraded = raid5_calc_degraded(conf);
+ 
+-	if (test_bit(In_sync, &rdev->flags) &&
+-	    mddev->degraded == conf->max_degraded) {
+-		/*
+-		 * Don't allow to achieve failed state
+-		 * Don't try to recover this device
+-		 */
++	if (has_failed(conf)) {
++		set_bit(MD_BROKEN, &conf->mddev->flags);
+ 		conf->recovery_disabled = mddev->recovery_disabled;
+-		spin_unlock_irqrestore(&conf->device_lock, flags);
+-		return;
++
++		pr_crit("md/raid:%s: Cannot continue operation (%d/%d failed).\n",
++			mdname(mddev), mddev->degraded, conf->raid_disks);
++	} else {
++		pr_crit("md/raid:%s: Operation continuing on %d devices.\n",
++			mdname(mddev), conf->raid_disks - mddev->degraded);
+ 	}
+ 
+-	set_bit(Faulty, &rdev->flags);
+-	clear_bit(In_sync, &rdev->flags);
+-	mddev->degraded = raid5_calc_degraded(conf);
+ 	spin_unlock_irqrestore(&conf->device_lock, flags);
+ 	set_bit(MD_RECOVERY_INTR, &mddev->recovery);
+ 
+ 	set_bit(Blocked, &rdev->flags);
+ 	set_mask_bits(&mddev->sb_flags, 0,
+ 		      BIT(MD_SB_CHANGE_DEVS) | BIT(MD_SB_CHANGE_PENDING));
+-	pr_crit("md/raid:%s: Disk failure on %s, disabling device.\n"
+-		"md/raid:%s: Operation continuing on %d devices.\n",
+-		mdname(mddev),
+-		bdevname(rdev->bdev, b),
+-		mdname(mddev),
+-		conf->raid_disks - mddev->degraded);
+ 	r5c_update_on_rdev_error(mddev, rdev);
+ }
+ 
+diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c
+index be3f6ea555597..84279a6808730 100644
+--- a/drivers/media/i2c/imx412.c
++++ b/drivers/media/i2c/imx412.c
+@@ -1011,7 +1011,7 @@ static int imx412_power_on(struct device *dev)
+ 	struct imx412 *imx412 = to_imx412(sd);
+ 	int ret;
+ 
+-	gpiod_set_value_cansleep(imx412->reset_gpio, 1);
++	gpiod_set_value_cansleep(imx412->reset_gpio, 0);
+ 
+ 	ret = clk_prepare_enable(imx412->inclk);
+ 	if (ret) {
+@@ -1024,7 +1024,7 @@ static int imx412_power_on(struct device *dev)
+ 	return 0;
+ 
+ error_reset:
+-	gpiod_set_value_cansleep(imx412->reset_gpio, 0);
++	gpiod_set_value_cansleep(imx412->reset_gpio, 1);
+ 
+ 	return ret;
+ }
+@@ -1040,10 +1040,10 @@ static int imx412_power_off(struct device *dev)
+ 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
+ 	struct imx412 *imx412 = to_imx412(sd);
+ 
+-	gpiod_set_value_cansleep(imx412->reset_gpio, 0);
+-
+ 	clk_disable_unprepare(imx412->inclk);
+ 
++	gpiod_set_value_cansleep(imx412->reset_gpio, 1);
++
+ 	return 0;
+ }
+ 
+diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
+index e1df2dc810a28..0b833572205f3 100644
+--- a/drivers/net/ethernet/faraday/ftgmac100.c
++++ b/drivers/net/ethernet/faraday/ftgmac100.c
+@@ -1910,6 +1910,11 @@ static int ftgmac100_probe(struct platform_device *pdev)
+ 	/* AST2400  doesn't have working HW checksum generation */
+ 	if (np && (of_device_is_compatible(np, "aspeed,ast2400-mac")))
+ 		netdev->hw_features &= ~NETIF_F_HW_CSUM;
++
++	/* AST2600 tx checksum with NCSI is broken */
++	if (priv->use_ncsi && of_device_is_compatible(np, "aspeed,ast2600-mac"))
++		netdev->hw_features &= ~NETIF_F_HW_CSUM;
++
+ 	if (np && of_get_property(np, "no-hw-checksum", NULL))
+ 		netdev->hw_features &= ~(NETIF_F_HW_CSUM | NETIF_F_RXCSUM);
+ 	netdev->features |= netdev->hw_features;
+diff --git a/drivers/net/ipa/ipa_endpoint.c b/drivers/net/ipa/ipa_endpoint.c
+index 87e42db1b61e6..477eb4051bed7 100644
+--- a/drivers/net/ipa/ipa_endpoint.c
++++ b/drivers/net/ipa/ipa_endpoint.c
+@@ -722,13 +722,15 @@ static void ipa_endpoint_init_aggr(struct ipa_endpoint *endpoint)
+ 
+ 	if (endpoint->data->aggregation) {
+ 		if (!endpoint->toward_ipa) {
++			u32 buffer_size;
+ 			bool close_eof;
+ 			u32 limit;
+ 
+ 			val |= u32_encode_bits(IPA_ENABLE_AGGR, AGGR_EN_FMASK);
+ 			val |= u32_encode_bits(IPA_GENERIC, AGGR_TYPE_FMASK);
+ 
+-			limit = ipa_aggr_size_kb(IPA_RX_BUFFER_SIZE);
++			buffer_size = IPA_RX_BUFFER_SIZE - NET_SKB_PAD;
++			limit = ipa_aggr_size_kb(buffer_size);
+ 			val |= aggr_byte_limit_encoded(version, limit);
+ 
+ 			limit = IPA_AGGR_TIME_LIMIT;
+diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
+index d32aec0c334fe..6dc0af63440f4 100644
+--- a/drivers/nfc/pn533/pn533.c
++++ b/drivers/nfc/pn533/pn533.c
+@@ -2789,13 +2789,14 @@ void pn53x_common_clean(struct pn533 *priv)
+ {
+ 	struct pn533_cmd *cmd, *n;
+ 
++	/* delete the timer before cleanup the worker */
++	del_timer_sync(&priv->listen_timer);
++
+ 	flush_delayed_work(&priv->poll_work);
+ 	destroy_workqueue(priv->wq);
+ 
+ 	skb_queue_purge(&priv->resp_q);
+ 
+-	del_timer(&priv->listen_timer);
+-
+ 	list_for_each_entry_safe(cmd, n, &priv->cmd_queue, queue) {
+ 		list_del(&cmd->queue);
+ 		kfree(cmd);
+diff --git a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
+index 2801ca7062732..68a5b627fb9b2 100644
+--- a/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
++++ b/drivers/pinctrl/sunxi/pinctrl-suniv-f1c100s.c
+@@ -204,7 +204,7 @@ static const struct sunxi_desc_pin suniv_f1c100s_pins[] = {
+ 		  SUNXI_FUNCTION(0x0, "gpio_in"),
+ 		  SUNXI_FUNCTION(0x1, "gpio_out"),
+ 		  SUNXI_FUNCTION(0x2, "lcd"),		/* D20 */
+-		  SUNXI_FUNCTION(0x3, "lvds1"),		/* RX */
++		  SUNXI_FUNCTION(0x3, "uart2"),		/* RX */
+ 		  SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 14)),
+ 	SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 15),
+ 		  SUNXI_FUNCTION(0x0, "gpio_in"),
+diff --git a/fs/exfat/balloc.c b/fs/exfat/balloc.c
+index cc5cffc4a7691..e2113e0a848c4 100644
+--- a/fs/exfat/balloc.c
++++ b/fs/exfat/balloc.c
+@@ -148,7 +148,9 @@ int exfat_set_bitmap(struct inode *inode, unsigned int clu, bool sync)
+ 	struct super_block *sb = inode->i_sb;
+ 	struct exfat_sb_info *sbi = EXFAT_SB(sb);
+ 
+-	WARN_ON(clu < EXFAT_FIRST_CLUSTER);
++	if (!is_valid_cluster(sbi, clu))
++		return -EINVAL;
++
+ 	ent_idx = CLUSTER_TO_BITMAP_ENT(clu);
+ 	i = BITMAP_OFFSET_SECTOR_INDEX(sb, ent_idx);
+ 	b = BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent_idx);
+@@ -166,7 +168,9 @@ void exfat_clear_bitmap(struct inode *inode, unsigned int clu, bool sync)
+ 	struct exfat_sb_info *sbi = EXFAT_SB(sb);
+ 	struct exfat_mount_options *opts = &sbi->options;
+ 
+-	WARN_ON(clu < EXFAT_FIRST_CLUSTER);
++	if (!is_valid_cluster(sbi, clu))
++		return;
++
+ 	ent_idx = CLUSTER_TO_BITMAP_ENT(clu);
+ 	i = BITMAP_OFFSET_SECTOR_INDEX(sb, ent_idx);
+ 	b = BITMAP_OFFSET_BIT_IN_SECTOR(sb, ent_idx);
+diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
+index 1d6da61157c93..9f82a8a835eec 100644
+--- a/fs/exfat/exfat_fs.h
++++ b/fs/exfat/exfat_fs.h
+@@ -381,6 +381,14 @@ static inline int exfat_sector_to_cluster(struct exfat_sb_info *sbi,
+ 		EXFAT_RESERVED_CLUSTERS;
+ }
+ 
++static inline bool is_valid_cluster(struct exfat_sb_info *sbi,
++		unsigned int clus)
++{
++	if (clus < EXFAT_FIRST_CLUSTER || sbi->num_clusters <= clus)
++		return false;
++	return true;
++}
++
+ /* super.c */
+ int exfat_set_volume_dirty(struct super_block *sb);
+ int exfat_clear_volume_dirty(struct super_block *sb);
+diff --git a/fs/exfat/fatent.c b/fs/exfat/fatent.c
+index e949e563443c9..421c273531049 100644
+--- a/fs/exfat/fatent.c
++++ b/fs/exfat/fatent.c
+@@ -81,14 +81,6 @@ int exfat_ent_set(struct super_block *sb, unsigned int loc,
+ 	return 0;
+ }
+ 
+-static inline bool is_valid_cluster(struct exfat_sb_info *sbi,
+-		unsigned int clus)
+-{
+-	if (clus < EXFAT_FIRST_CLUSTER || sbi->num_clusters <= clus)
+-		return false;
+-	return true;
+-}
+-
+ int exfat_ent_get(struct super_block *sb, unsigned int loc,
+ 		unsigned int *content)
+ {
+diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
+index c8845242d4225..fbfe293af72c9 100644
+--- a/fs/nfs/internal.h
++++ b/fs/nfs/internal.h
+@@ -834,6 +834,7 @@ static inline bool nfs_error_is_fatal_on_server(int err)
+ 	case 0:
+ 	case -ERESTARTSYS:
+ 	case -EINTR:
++	case -ENOMEM:
+ 		return false;
+ 	}
+ 	return nfs_error_is_fatal(err);
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
+index 181bc3d9f5663..f9e2fa9cfbec5 100644
+--- a/fs/nfsd/nfs4state.c
++++ b/fs/nfsd/nfs4state.c
+@@ -7299,16 +7299,12 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
+ 		if (sop->so_is_open_owner || !same_owner_str(sop, owner))
+ 			continue;
+ 
+-		/* see if there are still any locks associated with it */
+-		lo = lockowner(sop);
+-		list_for_each_entry(stp, &sop->so_stateids, st_perstateowner) {
+-			if (check_for_locks(stp->st_stid.sc_file, lo)) {
+-				status = nfserr_locks_held;
+-				spin_unlock(&clp->cl_lock);
+-				return status;
+-			}
++		if (atomic_read(&sop->so_count) != 1) {
++			spin_unlock(&clp->cl_lock);
++			return nfserr_locks_held;
+ 		}
+ 
++		lo = lockowner(sop);
+ 		nfs4_get_stateowner(sop);
+ 		break;
+ 	}
+diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
+index d41d76979e121..7f85ec83e196f 100644
+--- a/fs/ntfs3/super.c
++++ b/fs/ntfs3/super.c
+@@ -668,9 +668,11 @@ static u32 format_size_gb(const u64 bytes, u32 *mb)
+ 
+ static u32 true_sectors_per_clst(const struct NTFS_BOOT *boot)
+ {
+-	return boot->sectors_per_clusters <= 0x80
+-		       ? boot->sectors_per_clusters
+-		       : (1u << (0 - boot->sectors_per_clusters));
++	if (boot->sectors_per_clusters <= 0x80)
++		return boot->sectors_per_clusters;
++	if (boot->sectors_per_clusters >= 0xf4) /* limit shift to 2MB max */
++		return 1U << (0 - boot->sectors_per_clusters);
++	return -EINVAL;
+ }
+ 
+ /*
+@@ -713,6 +715,8 @@ static int ntfs_init_from_boot(struct super_block *sb, u32 sector_size,
+ 
+ 	/* cluster size: 512, 1K, 2K, 4K, ... 2M */
+ 	sct_per_clst = true_sectors_per_clst(boot);
++	if ((int)sct_per_clst < 0)
++		goto out;
+ 	if (!is_power_of_2(sct_per_clst))
+ 		goto out;
+ 
+diff --git a/fs/pipe.c b/fs/pipe.c
+index 751d5b36c84bb..e08f0fe55584b 100644
+--- a/fs/pipe.c
++++ b/fs/pipe.c
+@@ -652,7 +652,7 @@ pipe_poll(struct file *filp, poll_table *wait)
+ 	unsigned int head, tail;
+ 
+ 	/* Epoll has some historical nasty semantics, this enables them */
+-	pipe->poll_usage = 1;
++	WRITE_ONCE(pipe->poll_usage, true);
+ 
+ 	/*
+ 	 * Reading pipe state only -- no need for acquiring the semaphore.
+@@ -1244,30 +1244,33 @@ unsigned int round_pipe_size(unsigned long size)
+ 
+ /*
+  * Resize the pipe ring to a number of slots.
++ *
++ * Note the pipe can be reduced in capacity, but only if the current
++ * occupancy doesn't exceed nr_slots; if it does, EBUSY will be
++ * returned instead.
+  */
+ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
+ {
+ 	struct pipe_buffer *bufs;
+ 	unsigned int head, tail, mask, n;
+ 
+-	/*
+-	 * We can shrink the pipe, if arg is greater than the ring occupancy.
+-	 * Since we don't expect a lot of shrink+grow operations, just free and
+-	 * allocate again like we would do for growing.  If the pipe currently
+-	 * contains more buffers than arg, then return busy.
+-	 */
+-	mask = pipe->ring_size - 1;
+-	head = pipe->head;
+-	tail = pipe->tail;
+-	n = pipe_occupancy(pipe->head, pipe->tail);
+-	if (nr_slots < n)
+-		return -EBUSY;
+-
+ 	bufs = kcalloc(nr_slots, sizeof(*bufs),
+ 		       GFP_KERNEL_ACCOUNT | __GFP_NOWARN);
+ 	if (unlikely(!bufs))
+ 		return -ENOMEM;
+ 
++	spin_lock_irq(&pipe->rd_wait.lock);
++	mask = pipe->ring_size - 1;
++	head = pipe->head;
++	tail = pipe->tail;
++
++	n = pipe_occupancy(head, tail);
++	if (nr_slots < n) {
++		spin_unlock_irq(&pipe->rd_wait.lock);
++		kfree(bufs);
++		return -EBUSY;
++	}
++
+ 	/*
+ 	 * The pipe array wraps around, so just start the new one at zero
+ 	 * and adjust the indices.
+@@ -1299,6 +1302,8 @@ int pipe_resize_ring(struct pipe_inode_info *pipe, unsigned int nr_slots)
+ 	pipe->tail = tail;
+ 	pipe->head = head;
+ 
++	spin_unlock_irq(&pipe->rd_wait.lock);
++
+ 	/* This might have made more room for writers */
+ 	wake_up_interruptible(&pipe->wr_wait);
+ 	return 0;
+diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
+index 88e4d145f7cda..a6c3b8e7deb64 100644
+--- a/include/crypto/drbg.h
++++ b/include/crypto/drbg.h
+@@ -105,6 +105,12 @@ struct drbg_test_data {
+ 	struct drbg_string *testentropy; /* TEST PARAMETER: test entropy */
+ };
+ 
++enum drbg_seed_state {
++	DRBG_SEED_STATE_UNSEEDED,
++	DRBG_SEED_STATE_PARTIAL, /* Seeded with !rng_is_initialized() */
++	DRBG_SEED_STATE_FULL,
++};
++
+ struct drbg_state {
+ 	struct mutex drbg_mutex;	/* lock around DRBG */
+ 	unsigned char *V;	/* internal state 10.1.1.1 1a) */
+@@ -127,16 +133,14 @@ struct drbg_state {
+ 	struct crypto_wait ctr_wait;		/* CTR mode async wait obj */
+ 	struct scatterlist sg_in, sg_out;	/* CTR mode SGLs */
+ 
+-	bool seeded;		/* DRBG fully seeded? */
++	enum drbg_seed_state seeded;		/* DRBG fully seeded? */
+ 	bool pr;		/* Prediction resistance enabled? */
+ 	bool fips_primed;	/* Continuous test primed? */
+ 	unsigned char *prev;	/* FIPS 140-2 continuous test value */
+-	struct work_struct seed_work;	/* asynchronous seeding support */
+ 	struct crypto_rng *jent;
+ 	const struct drbg_state_ops *d_ops;
+ 	const struct drbg_core *core;
+ 	struct drbg_string test_data;
+-	struct notifier_block random_ready;
+ };
+ 
+ static inline __u8 drbg_statelen(struct drbg_state *drbg)
+diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h
+index fc5642431b923..c0b6ec6bf65b7 100644
+--- a/include/linux/pipe_fs_i.h
++++ b/include/linux/pipe_fs_i.h
+@@ -71,7 +71,7 @@ struct pipe_inode_info {
+ 	unsigned int files;
+ 	unsigned int r_counter;
+ 	unsigned int w_counter;
+-	unsigned int poll_usage;
++	bool poll_usage;
+ 	struct page *tmp_page;
+ 	struct fasync_struct *fasync_readers;
+ 	struct fasync_struct *fasync_writers;
+diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
+index 13807ea94cd2b..2d524782f53b7 100644
+--- a/include/net/netfilter/nf_conntrack_core.h
++++ b/include/net/netfilter/nf_conntrack_core.h
+@@ -58,8 +58,13 @@ static inline int nf_conntrack_confirm(struct sk_buff *skb)
+ 	int ret = NF_ACCEPT;
+ 
+ 	if (ct) {
+-		if (!nf_ct_is_confirmed(ct))
++		if (!nf_ct_is_confirmed(ct)) {
+ 			ret = __nf_conntrack_confirm(skb);
++
++			if (ret == NF_ACCEPT)
++				ct = (struct nf_conn *)skb_nfct(skb);
++		}
++
+ 		if (likely(ret == NF_ACCEPT))
+ 			nf_ct_deliver_cached_events(ct);
+ 	}
+diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
+index fc0f77f91224b..7efae3af62017 100644
+--- a/kernel/bpf/stackmap.c
++++ b/kernel/bpf/stackmap.c
+@@ -119,7 +119,6 @@ static struct bpf_map *stack_map_alloc(union bpf_attr *attr)
+ 		return ERR_PTR(-E2BIG);
+ 
+ 	cost = n_buckets * sizeof(struct stack_map_bucket *) + sizeof(*smap);
+-	cost += n_buckets * (value_size + sizeof(struct stack_map_bucket));
+ 	smap = bpf_map_area_alloc(cost, bpf_map_attr_numa_node(attr));
+ 	if (!smap)
+ 		return ERR_PTR(-ENOMEM);
+diff --git a/kernel/bpf/trampoline.c b/kernel/bpf/trampoline.c
+index 2660fbced9ad4..4fa75791b45e2 100644
+--- a/kernel/bpf/trampoline.c
++++ b/kernel/bpf/trampoline.c
+@@ -414,7 +414,7 @@ int bpf_trampoline_link_prog(struct bpf_prog *prog, struct bpf_trampoline *tr)
+ {
+ 	enum bpf_tramp_prog_type kind;
+ 	int err = 0;
+-	int cnt;
++	int cnt = 0, i;
+ 
+ 	kind = bpf_attach_type_to_tramp(prog);
+ 	mutex_lock(&tr->mutex);
+@@ -425,7 +425,10 @@ int bpf_trampoline_link_prog(struct bpf_prog *prog, struct bpf_trampoline *tr)
+ 		err = -EBUSY;
+ 		goto out;
+ 	}
+-	cnt = tr->progs_cnt[BPF_TRAMP_FENTRY] + tr->progs_cnt[BPF_TRAMP_FEXIT];
++
++	for (i = 0; i < BPF_TRAMP_MAX; i++)
++		cnt += tr->progs_cnt[i];
++
+ 	if (kind == BPF_TRAMP_REPLACE) {
+ 		/* Cannot attach extension if fentry/fexit are in use. */
+ 		if (cnt) {
+@@ -503,16 +506,19 @@ out:
+ 
+ void bpf_trampoline_put(struct bpf_trampoline *tr)
+ {
++	int i;
++
+ 	if (!tr)
+ 		return;
+ 	mutex_lock(&trampoline_mutex);
+ 	if (!refcount_dec_and_test(&tr->refcnt))
+ 		goto out;
+ 	WARN_ON_ONCE(mutex_is_locked(&tr->mutex));
+-	if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[BPF_TRAMP_FENTRY])))
+-		goto out;
+-	if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[BPF_TRAMP_FEXIT])))
+-		goto out;
++
++	for (i = 0; i < BPF_TRAMP_MAX; i++)
++		if (WARN_ON_ONCE(!hlist_empty(&tr->progs_hlist[i])))
++			goto out;
++
+ 	/* This code will be executed even when the last bpf_tramp_image
+ 	 * is alive. All progs are detached from the trampoline and the
+ 	 * trampoline image is patched with jmp into epilogue to skip
+diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
+index d2b119b4fbe74..25ee8d9572c6f 100644
+--- a/kernel/bpf/verifier.c
++++ b/kernel/bpf/verifier.c
+@@ -4587,6 +4587,11 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno,
+ 		return check_packet_access(env, regno, reg->off, access_size,
+ 					   zero_size_allowed);
+ 	case PTR_TO_MAP_KEY:
++		if (meta && meta->raw_mode) {
++			verbose(env, "R%d cannot write into %s\n", regno,
++				reg_type_str(env, reg->type));
++			return -EACCES;
++		}
+ 		return check_mem_region_access(env, regno, reg->off, access_size,
+ 					       reg->map_ptr->key_size, false);
+ 	case PTR_TO_MAP_VALUE:
+@@ -4597,13 +4602,23 @@ static int check_helper_mem_access(struct bpf_verifier_env *env, int regno,
+ 		return check_map_access(env, regno, reg->off, access_size,
+ 					zero_size_allowed);
+ 	case PTR_TO_MEM:
++		if (type_is_rdonly_mem(reg->type)) {
++			if (meta && meta->raw_mode) {
++				verbose(env, "R%d cannot write into %s\n", regno,
++					reg_type_str(env, reg->type));
++				return -EACCES;
++			}
++		}
+ 		return check_mem_region_access(env, regno, reg->off,
+ 					       access_size, reg->mem_size,
+ 					       zero_size_allowed);
+ 	case PTR_TO_BUF:
+ 		if (type_is_rdonly_mem(reg->type)) {
+-			if (meta && meta->raw_mode)
++			if (meta && meta->raw_mode) {
++				verbose(env, "R%d cannot write into %s\n", regno,
++					reg_type_str(env, reg->type));
+ 				return -EACCES;
++			}
+ 
+ 			buf_info = "rdonly";
+ 			max_access = &env->prog->aux->max_rdonly_access;
+diff --git a/lib/Kconfig b/lib/Kconfig
+index fa4b10322efcd..e052f843afedc 100644
+--- a/lib/Kconfig
++++ b/lib/Kconfig
+@@ -121,6 +121,8 @@ config INDIRECT_IOMEM_FALLBACK
+ 	  mmio accesses when the IO memory address is not a registered
+ 	  emulated region.
+ 
++source "lib/crypto/Kconfig"
++
+ config CRC_CCITT
+ 	tristate "CRC-CCITT functions"
+ 	help
+diff --git a/lib/assoc_array.c b/lib/assoc_array.c
+index 04c98799c3baf..70304b8f15ace 100644
+--- a/lib/assoc_array.c
++++ b/lib/assoc_array.c
+@@ -1462,6 +1462,7 @@ int assoc_array_gc(struct assoc_array *array,
+ 	struct assoc_array_ptr *cursor, *ptr;
+ 	struct assoc_array_ptr *new_root, *new_parent, **new_ptr_pp;
+ 	unsigned long nr_leaves_on_tree;
++	bool retained;
+ 	int keylen, slot, nr_free, next_slot, i;
+ 
+ 	pr_devel("-->%s()\n", __func__);
+@@ -1538,6 +1539,7 @@ continue_node:
+ 		goto descend;
+ 	}
+ 
++retry_compress:
+ 	pr_devel("-- compress node %p --\n", new_n);
+ 
+ 	/* Count up the number of empty slots in this node and work out the
+@@ -1555,6 +1557,7 @@ continue_node:
+ 	pr_devel("free=%d, leaves=%lu\n", nr_free, new_n->nr_leaves_on_branch);
+ 
+ 	/* See what we can fold in */
++	retained = false;
+ 	next_slot = 0;
+ 	for (slot = 0; slot < ASSOC_ARRAY_FAN_OUT; slot++) {
+ 		struct assoc_array_shortcut *s;
+@@ -1604,9 +1607,14 @@ continue_node:
+ 			pr_devel("[%d] retain node %lu/%d [nx %d]\n",
+ 				 slot, child->nr_leaves_on_branch, nr_free + 1,
+ 				 next_slot);
++			retained = true;
+ 		}
+ 	}
+ 
++	if (retained && new_n->nr_leaves_on_branch <= ASSOC_ARRAY_FAN_OUT) {
++		pr_devel("internal nodes remain despite enough space, retrying\n");
++		goto retry_compress;
++	}
+ 	pr_devel("after: %lu\n", new_n->nr_leaves_on_branch);
+ 
+ 	nr_leaves_on_tree = new_n->nr_leaves_on_branch;
+diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
+index 8620f38e117c0..e8e525650cf29 100644
+--- a/lib/crypto/Kconfig
++++ b/lib/crypto/Kconfig
+@@ -1,5 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ 
++menu "Crypto library routines"
++
+ config CRYPTO_LIB_AES
+ 	tristate
+ 
+@@ -31,7 +33,7 @@ config CRYPTO_ARCH_HAVE_LIB_CHACHA
+ 
+ config CRYPTO_LIB_CHACHA_GENERIC
+ 	tristate
+-	select CRYPTO_ALGAPI
++	select XOR_BLOCKS
+ 	help
+ 	  This symbol can be depended upon by arch implementations of the
+ 	  ChaCha library interface that require the generic code as a
+@@ -40,7 +42,8 @@ config CRYPTO_LIB_CHACHA_GENERIC
+ 	  of CRYPTO_LIB_CHACHA.
+ 
+ config CRYPTO_LIB_CHACHA
+-	tristate
++	tristate "ChaCha library interface"
++	depends on CRYPTO
+ 	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
+ 	select CRYPTO_LIB_CHACHA_GENERIC if CRYPTO_ARCH_HAVE_LIB_CHACHA=n
+ 	help
+@@ -65,7 +68,7 @@ config CRYPTO_LIB_CURVE25519_GENERIC
+ 	  of CRYPTO_LIB_CURVE25519.
+ 
+ config CRYPTO_LIB_CURVE25519
+-	tristate
++	tristate "Curve25519 scalar multiplication library"
+ 	depends on CRYPTO_ARCH_HAVE_LIB_CURVE25519 || !CRYPTO_ARCH_HAVE_LIB_CURVE25519
+ 	select CRYPTO_LIB_CURVE25519_GENERIC if CRYPTO_ARCH_HAVE_LIB_CURVE25519=n
+ 	help
+@@ -100,7 +103,7 @@ config CRYPTO_LIB_POLY1305_GENERIC
+ 	  of CRYPTO_LIB_POLY1305.
+ 
+ config CRYPTO_LIB_POLY1305
+-	tristate
++	tristate "Poly1305 library interface"
+ 	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
+ 	select CRYPTO_LIB_POLY1305_GENERIC if CRYPTO_ARCH_HAVE_LIB_POLY1305=n
+ 	help
+@@ -109,14 +112,18 @@ config CRYPTO_LIB_POLY1305
+ 	  is available and enabled.
+ 
+ config CRYPTO_LIB_CHACHA20POLY1305
+-	tristate
++	tristate "ChaCha20-Poly1305 AEAD support (8-byte nonce library version)"
+ 	depends on CRYPTO_ARCH_HAVE_LIB_CHACHA || !CRYPTO_ARCH_HAVE_LIB_CHACHA
+ 	depends on CRYPTO_ARCH_HAVE_LIB_POLY1305 || !CRYPTO_ARCH_HAVE_LIB_POLY1305
++	depends on CRYPTO
+ 	select CRYPTO_LIB_CHACHA
+ 	select CRYPTO_LIB_POLY1305
++	select CRYPTO_ALGAPI
+ 
+ config CRYPTO_LIB_SHA256
+ 	tristate
+ 
+ config CRYPTO_LIB_SM4
+ 	tristate
++
++endmenu
+diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c
+index af9302141bcf6..e5c5315da2741 100644
+--- a/lib/percpu-refcount.c
++++ b/lib/percpu-refcount.c
+@@ -76,6 +76,7 @@ int percpu_ref_init(struct percpu_ref *ref, percpu_ref_func_t *release,
+ 	data = kzalloc(sizeof(*ref->data), gfp);
+ 	if (!data) {
+ 		free_percpu((void __percpu *)ref->percpu_count_ptr);
++		ref->percpu_count_ptr = 0;
+ 		return -ENOMEM;
+ 	}
+ 
+diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
+index b897ce3b399a1..439deb8decbcc 100644
+--- a/mm/zsmalloc.c
++++ b/mm/zsmalloc.c
+@@ -1743,11 +1743,40 @@ static enum fullness_group putback_zspage(struct size_class *class,
+  */
+ static void lock_zspage(struct zspage *zspage)
+ {
+-	struct page *page = get_first_page(zspage);
++	struct page *curr_page, *page;
+ 
+-	do {
+-		lock_page(page);
+-	} while ((page = get_next_page(page)) != NULL);
++	/*
++	 * Pages we haven't locked yet can be migrated off the list while we're
++	 * trying to lock them, so we need to be careful and only attempt to
++	 * lock each page under migrate_read_lock(). Otherwise, the page we lock
++	 * may no longer belong to the zspage. This means that we may wait for
++	 * the wrong page to unlock, so we must take a reference to the page
++	 * prior to waiting for it to unlock outside migrate_read_lock().
++	 */
++	while (1) {
++		migrate_read_lock(zspage);
++		page = get_first_page(zspage);
++		if (trylock_page(page))
++			break;
++		get_page(page);
++		migrate_read_unlock(zspage);
++		wait_on_page_locked(page);
++		put_page(page);
++	}
++
++	curr_page = page;
++	while ((page = get_next_page(curr_page))) {
++		if (trylock_page(page)) {
++			curr_page = page;
++		} else {
++			get_page(page);
++			migrate_read_unlock(zspage);
++			wait_on_page_locked(page);
++			put_page(page);
++			migrate_read_lock(zspage);
++		}
++	}
++	migrate_read_unlock(zspage);
+ }
+ 
+ static int zs_init_fs_context(struct fs_context *fc)
+diff --git a/net/core/filter.c b/net/core/filter.c
+index 821278b906b71..707e2e48d7691 100644
+--- a/net/core/filter.c
++++ b/net/core/filter.c
+@@ -1688,7 +1688,7 @@ BPF_CALL_5(bpf_skb_store_bytes, struct sk_buff *, skb, u32, offset,
+ 
+ 	if (unlikely(flags & ~(BPF_F_RECOMPUTE_CSUM | BPF_F_INVALIDATE_HASH)))
+ 		return -EINVAL;
+-	if (unlikely(offset > 0xffff))
++	if (unlikely(offset > INT_MAX))
+ 		return -EFAULT;
+ 	if (unlikely(bpf_try_make_writable(skb, offset + len)))
+ 		return -EFAULT;
+@@ -1723,7 +1723,7 @@ BPF_CALL_4(bpf_skb_load_bytes, const struct sk_buff *, skb, u32, offset,
+ {
+ 	void *ptr;
+ 
+-	if (unlikely(offset > 0xffff))
++	if (unlikely(offset > INT_MAX))
+ 		goto err_clear;
+ 
+ 	ptr = skb_header_pointer(skb, offset, len, to);
+diff --git a/net/key/af_key.c b/net/key/af_key.c
+index 92e9d75dba2f4..339d95df19d32 100644
+--- a/net/key/af_key.c
++++ b/net/key/af_key.c
+@@ -2900,7 +2900,7 @@ static int count_ah_combs(const struct xfrm_tmpl *t)
+ 			break;
+ 		if (!aalg->pfkey_supported)
+ 			continue;
+-		if (aalg_tmpl_set(t, aalg))
++		if (aalg_tmpl_set(t, aalg) && aalg->available)
+ 			sz += sizeof(struct sadb_comb);
+ 	}
+ 	return sz + sizeof(struct sadb_prop);
+@@ -2918,7 +2918,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
+ 		if (!ealg->pfkey_supported)
+ 			continue;
+ 
+-		if (!(ealg_tmpl_set(t, ealg)))
++		if (!(ealg_tmpl_set(t, ealg) && ealg->available))
+ 			continue;
+ 
+ 		for (k = 1; ; k++) {
+@@ -2929,7 +2929,7 @@ static int count_esp_combs(const struct xfrm_tmpl *t)
+ 			if (!aalg->pfkey_supported)
+ 				continue;
+ 
+-			if (aalg_tmpl_set(t, aalg))
++			if (aalg_tmpl_set(t, aalg) && aalg->available)
+ 				sz += sizeof(struct sadb_comb);
+ 		}
+ 	}
+diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
+index 2feb88ffcd81f..79e8fc687fdd4 100644
+--- a/net/netfilter/nf_tables_api.c
++++ b/net/netfilter/nf_tables_api.c
+@@ -222,12 +222,18 @@ err_register:
+ }
+ 
+ static void nft_netdev_unregister_hooks(struct net *net,
+-					struct list_head *hook_list)
++					struct list_head *hook_list,
++					bool release_netdev)
+ {
+-	struct nft_hook *hook;
++	struct nft_hook *hook, *next;
+ 
+-	list_for_each_entry(hook, hook_list, list)
++	list_for_each_entry_safe(hook, next, hook_list, list) {
+ 		nf_unregister_net_hook(net, &hook->ops);
++		if (release_netdev) {
++			list_del(&hook->list);
++			kfree_rcu(hook, rcu);
++		}
++	}
+ }
+ 
+ static int nf_tables_register_hook(struct net *net,
+@@ -253,9 +259,10 @@ static int nf_tables_register_hook(struct net *net,
+ 	return nf_register_net_hook(net, &basechain->ops);
+ }
+ 
+-static void nf_tables_unregister_hook(struct net *net,
+-				      const struct nft_table *table,
+-				      struct nft_chain *chain)
++static void __nf_tables_unregister_hook(struct net *net,
++					const struct nft_table *table,
++					struct nft_chain *chain,
++					bool release_netdev)
+ {
+ 	struct nft_base_chain *basechain;
+ 	const struct nf_hook_ops *ops;
+@@ -270,11 +277,19 @@ static void nf_tables_unregister_hook(struct net *net,
+ 		return basechain->type->ops_unregister(net, ops);
+ 
+ 	if (nft_base_chain_netdev(table->family, basechain->ops.hooknum))
+-		nft_netdev_unregister_hooks(net, &basechain->hook_list);
++		nft_netdev_unregister_hooks(net, &basechain->hook_list,
++					    release_netdev);
+ 	else
+ 		nf_unregister_net_hook(net, &basechain->ops);
+ }
+ 
++static void nf_tables_unregister_hook(struct net *net,
++				      const struct nft_table *table,
++				      struct nft_chain *chain)
++{
++	return __nf_tables_unregister_hook(net, table, chain, false);
++}
++
+ static void nft_trans_commit_list_add_tail(struct net *net, struct nft_trans *trans)
+ {
+ 	struct nftables_pernet *nft_net = nft_pernet(net);
+@@ -2778,27 +2793,31 @@ static struct nft_expr *nft_expr_init(const struct nft_ctx *ctx,
+ 
+ 	err = nf_tables_expr_parse(ctx, nla, &expr_info);
+ 	if (err < 0)
+-		goto err1;
++		goto err_expr_parse;
++
++	err = -EOPNOTSUPP;
++	if (!(expr_info.ops->type->flags & NFT_EXPR_STATEFUL))
++		goto err_expr_stateful;
+ 
+ 	err = -ENOMEM;
+ 	expr = kzalloc(expr_info.ops->size, GFP_KERNEL);
+ 	if (expr == NULL)
+-		goto err2;
++		goto err_expr_stateful;
+ 
+ 	err = nf_tables_newexpr(ctx, &expr_info, expr);
+ 	if (err < 0)
+-		goto err3;
++		goto err_expr_new;
+ 
+ 	return expr;
+-err3:
++err_expr_new:
+ 	kfree(expr);
+-err2:
++err_expr_stateful:
+ 	owner = expr_info.ops->type->owner;
+ 	if (expr_info.ops->type->release_ops)
+ 		expr_info.ops->type->release_ops(expr_info.ops);
+ 
+ 	module_put(owner);
+-err1:
++err_expr_parse:
+ 	return ERR_PTR(err);
+ }
+ 
+@@ -4147,6 +4166,9 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr,
+ 	u32 len;
+ 	int err;
+ 
++	if (desc->field_count >= ARRAY_SIZE(desc->field_len))
++		return -E2BIG;
++
+ 	err = nla_parse_nested_deprecated(tb, NFTA_SET_FIELD_MAX, attr,
+ 					  nft_concat_policy, NULL);
+ 	if (err < 0)
+@@ -4156,9 +4178,8 @@ static int nft_set_desc_concat_parse(const struct nlattr *attr,
+ 		return -EINVAL;
+ 
+ 	len = ntohl(nla_get_be32(tb[NFTA_SET_FIELD_LEN]));
+-
+-	if (len * BITS_PER_BYTE / 32 > NFT_REG32_COUNT)
+-		return -E2BIG;
++	if (!len || len > U8_MAX)
++		return -EINVAL;
+ 
+ 	desc->field_len[desc->field_count++] = len;
+ 
+@@ -4169,7 +4190,8 @@ static int nft_set_desc_concat(struct nft_set_desc *desc,
+ 			       const struct nlattr *nla)
+ {
+ 	struct nlattr *attr;
+-	int rem, err;
++	u32 num_regs = 0;
++	int rem, err, i;
+ 
+ 	nla_for_each_nested(attr, nla, rem) {
+ 		if (nla_type(attr) != NFTA_LIST_ELEM)
+@@ -4180,6 +4202,12 @@ static int nft_set_desc_concat(struct nft_set_desc *desc,
+ 			return err;
+ 	}
+ 
++	for (i = 0; i < desc->field_count; i++)
++		num_regs += DIV_ROUND_UP(desc->field_len[i], sizeof(u32));
++
++	if (num_regs > NFT_REG32_COUNT)
++		return -E2BIG;
++
+ 	return 0;
+ }
+ 
+@@ -5318,9 +5346,6 @@ struct nft_expr *nft_set_elem_expr_alloc(const struct nft_ctx *ctx,
+ 		return expr;
+ 
+ 	err = -EOPNOTSUPP;
+-	if (!(expr->ops->type->flags & NFT_EXPR_STATEFUL))
+-		goto err_set_elem_expr;
+-
+ 	if (expr->ops->type->flags & NFT_EXPR_GC) {
+ 		if (set->flags & NFT_SET_TIMEOUT)
+ 			goto err_set_elem_expr;
+@@ -7196,13 +7221,25 @@ static void nft_unregister_flowtable_hook(struct net *net,
+ 				    FLOW_BLOCK_UNBIND);
+ }
+ 
+-static void nft_unregister_flowtable_net_hooks(struct net *net,
+-					       struct list_head *hook_list)
++static void __nft_unregister_flowtable_net_hooks(struct net *net,
++						 struct list_head *hook_list,
++					         bool release_netdev)
+ {
+-	struct nft_hook *hook;
++	struct nft_hook *hook, *next;
+ 
+-	list_for_each_entry(hook, hook_list, list)
++	list_for_each_entry_safe(hook, next, hook_list, list) {
+ 		nf_unregister_net_hook(net, &hook->ops);
++		if (release_netdev) {
++			list_del(&hook->list);
++			kfree_rcu(hook);
++		}
++	}
++}
++
++static void nft_unregister_flowtable_net_hooks(struct net *net,
++					       struct list_head *hook_list)
++{
++	__nft_unregister_flowtable_net_hooks(net, hook_list, false);
+ }
+ 
+ static int nft_register_flowtable_net_hooks(struct net *net,
+@@ -9595,9 +9632,10 @@ static void __nft_release_hook(struct net *net, struct nft_table *table)
+ 	struct nft_chain *chain;
+ 
+ 	list_for_each_entry(chain, &table->chains, list)
+-		nf_tables_unregister_hook(net, table, chain);
++		__nf_tables_unregister_hook(net, table, chain, true);
+ 	list_for_each_entry(flowtable, &table->flowtables, list)
+-		nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list);
++		__nft_unregister_flowtable_net_hooks(net, &flowtable->hook_list,
++						     true);
+ }
+ 
+ static void __nft_release_hooks(struct net *net)
+@@ -9736,7 +9774,11 @@ static int __net_init nf_tables_init_net(struct net *net)
+ 
+ static void __net_exit nf_tables_pre_exit_net(struct net *net)
+ {
++	struct nftables_pernet *nft_net = nft_pernet(net);
++
++	mutex_lock(&nft_net->commit_mutex);
+ 	__nft_release_hooks(net);
++	mutex_unlock(&nft_net->commit_mutex);
+ }
+ 
+ static void __net_exit nf_tables_exit_net(struct net *net)
+diff --git a/sound/usb/clock.c b/sound/usb/clock.c
+index 98345a695dccb..ccca9efa7d33f 100644
+--- a/sound/usb/clock.c
++++ b/sound/usb/clock.c
+@@ -572,6 +572,17 @@ static int set_sample_rate_v2v3(struct snd_usb_audio *chip,
+ 		/* continue processing */
+ 	}
+ 
++	/* FIXME - TEAC devices require the immediate interface setup */
++	if (USB_ID_VENDOR(chip->usb_id) == 0x0644) {
++		bool cur_base_48k = (rate % 48000 == 0);
++		bool prev_base_48k = (prev_rate % 48000 == 0);
++		if (cur_base_48k != prev_base_48k) {
++			usb_set_interface(chip->dev, fmt->iface, fmt->altsetting);
++			if (chip->quirk_flags & QUIRK_FLAG_IFACE_DELAY)
++				msleep(50);
++		}
++	}
++
+ validation:
+ 	/* validate clock after rate change */
+ 	if (!uac_clock_source_is_valid(chip, fmt, clock))
+diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
+index 729e26f5ac4c7..9e65a42cc9b77 100644
+--- a/sound/usb/pcm.c
++++ b/sound/usb/pcm.c
+@@ -439,16 +439,21 @@ static int configure_endpoints(struct snd_usb_audio *chip,
+ 		/* stop any running stream beforehand */
+ 		if (stop_endpoints(subs, false))
+ 			sync_pending_stops(subs);
++		if (subs->sync_endpoint) {
++			err = snd_usb_endpoint_configure(chip, subs->sync_endpoint);
++			if (err < 0)
++				return err;
++		}
+ 		err = snd_usb_endpoint_configure(chip, subs->data_endpoint);
+ 		if (err < 0)
+ 			return err;
+ 		snd_usb_set_format_quirk(subs, subs->cur_audiofmt);
+-	}
+-
+-	if (subs->sync_endpoint) {
+-		err = snd_usb_endpoint_configure(chip, subs->sync_endpoint);
+-		if (err < 0)
+-			return err;
++	} else {
++		if (subs->sync_endpoint) {
++			err = snd_usb_endpoint_configure(chip, subs->sync_endpoint);
++			if (err < 0)
++				return err;
++		}
+ 	}
+ 
+ 	return 0;
+diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
+index 40a5e3eb4ef26..78eb41b621d63 100644
+--- a/sound/usb/quirks-table.h
++++ b/sound/usb/quirks-table.h
+@@ -2672,6 +2672,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
+ 					.altset_idx = 1,
+ 					.attributes = 0,
+ 					.endpoint = 0x82,
++					.ep_idx = 1,
+ 					.ep_attr = USB_ENDPOINT_XFER_ISOC,
+ 					.datainterval = 1,
+ 					.maxpacksize = 0x0126,
+@@ -2875,6 +2876,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
+ 					.altset_idx = 1,
+ 					.attributes = 0x4,
+ 					.endpoint = 0x81,
++					.ep_idx = 1,
+ 					.ep_attr = USB_ENDPOINT_XFER_ISOC |
+ 						USB_ENDPOINT_SYNC_ASYNC,
+ 					.maxpacksize = 0x130,
+@@ -3391,6 +3393,7 @@ YAMAHA_DEVICE(0x7010, "UB99"),
+ 					.altset_idx = 1,
+ 					.attributes = 0,
+ 					.endpoint = 0x03,
++					.ep_idx = 1,
+ 					.rates = SNDRV_PCM_RATE_96000,
+ 					.ep_attr = USB_ENDPOINT_XFER_ISOC |
+ 						   USB_ENDPOINT_SYNC_ASYNC,
+diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
+index ab9f3da49941f..fbbe59054c3fb 100644
+--- a/sound/usb/quirks.c
++++ b/sound/usb/quirks.c
+@@ -1822,6 +1822,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
+ 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
+ 	DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
+ 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
++	DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */
++		   QUIRK_FLAG_GET_SAMPLE_RATE),
+ 	DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
+ 		   QUIRK_FLAG_GET_SAMPLE_RATE),
+ 	DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */