- Linux-stable-mirror - lists.linaro.org

by Charlotte Phoenix

1 week, 4 days

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Backport 353d7a84c214f18 ("powerpc/64s/radix/kfence: map __kfence_pool at page granularity") to stable versions 6.1 and 6.6

by Aboorva Devarajan

Hi stable maintainers, Please consider backporting upstream commit 353d7a84c214f184d5a6b62acdec8b4424159b7c ("powerpc/64s/radix/kfence: map __kfence_pool at page granularity") to the stable 6.1 and 6.6 kernels. This should be backported because it restores the intended KFENCE behaviour on powerpc64 radix MMU by limiting page-granular mappings to the KFENCE pool, rather than all system memory. This commit appeared upstream in v6.11-rc1, and fixes an issue introduced by a5edf9815dd7 ("powerpc/64s: Enable KFENCE on book3s64") but it is not backported to stable versions. The patch applies cleanly to both 6.1 and 6.6 stable versions. Thanks, Aboorva

1 week, 4 days

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[PATCH v1 1/1] scsi: ufs : core: Add ufshcd_update_evt_hist for ufs suspend error.

by Seunghwan Baek

If the ufs resume fails, the event history is updated in ufshcd_resume, but there is no code anywhere to record ufs suspend. Therefore, add code to record ufs suspend error event history. Fixes: dd11376b9f1b ("scsi: ufs: Split the drivers/scsi/ufs directory") Cc: stable(a)vger.kernel.org Signed-off-by: Seunghwan Baek <sh8267.baek(a)samsung.com> --- drivers/ufs/core/ufshcd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 040a0ceb170a..6bb2781aefc7 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -10337,7 +10337,7 @@ static int ufshcd_suspend(struct ufs_hba *hba) ret = ufshcd_setup_clocks(hba, false); if (ret) { ufshcd_enable_irq(hba); - return ret; + goto out; } if (ufshcd_is_clkgating_allowed(hba)) { hba->clk_gating.state = CLKS_OFF; @@ -10349,6 +10349,9 @@ static int ufshcd_suspend(struct ufs_hba *hba) /* Put the host controller in low power mode if possible */ ufshcd_hba_vreg_set_lpm(hba); ufshcd_pm_qos_update(hba, false); +out: + if (ret) + ufshcd_update_evt_hist(hba, UFS_EVT_SUSPEND_ERR, (u32)ret); return ret; } -- 2.43.0

1 week, 4 days

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[PATCH] mpi3mr: Read missing IOCFacts flag for reply queue full overflow

by Chandrakanth Patil

The driver was not reading the MAX_REQ_PER_REPLY_QUEUE_LIMIT IOCFacts flag, so the reply-queue-full handling was never enabled even on firmware that supports it. Reading this flag enables the feature and prevents reply queue overflow Fixes: f08b24d82749 ("scsi: mpi3mr: Avoid reply queue full condition") Cc: stable(a)vger.kernel.org Signed-off-by: Chandrakanth Patil <chandrakanth.patil(a)broadcom.com> --- drivers/scsi/mpi3mr/mpi/mpi30_ioc.h | 1 + drivers/scsi/mpi3mr/mpi3mr_fw.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h index b42933fcd423..6561f98c3cb2 100644 --- a/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h +++ b/drivers/scsi/mpi3mr/mpi/mpi30_ioc.h @@ -166,6 +166,7 @@ struct mpi3_ioc_facts_data { #define MPI3_IOCFACTS_FLAGS_SIGNED_NVDATA_REQUIRED (0x00010000) #define MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK (0x0000ff00) #define MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT (8) +#define MPI3_IOCFACTS_FLAGS_MAX_REQ_PER_REPLY_QUEUE_LIMIT (0x00000040) #define MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_MASK (0x00000030) #define MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_SHIFT (4) #define MPI3_IOCFACTS_FLAGS_INITIAL_PORT_ENABLE_NOT_STARTED (0x00000000) diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 8fe6e0bf342e..8c4bb7169a87 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -3158,6 +3158,8 @@ static void mpi3mr_process_factsdata(struct mpi3mr_ioc *mrioc, mrioc->facts.dma_mask = (facts_flags & MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_MASK) >> MPI3_IOCFACTS_FLAGS_DMA_ADDRESS_WIDTH_SHIFT; + mrioc->facts.max_req_limit = (facts_flags & + MPI3_IOCFACTS_FLAGS_MAX_REQ_PER_REPLY_QUEUE_LIMIT); mrioc->facts.protocol_flags = facts_data->protocol_flags; mrioc->facts.mpi_version = le32_to_cpu(facts_data->mpi_version.word); mrioc->facts.max_reqs = le16_to_cpu(facts_data->max_outstanding_requests); -- 2.47.1

1 week, 4 days

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[PATCH] RDMA/cm: Fix leaking the multicast GID table reference

by Jason Gunthorpe

If the CM ID is destroyed while the CM event for multicast creating is still queued the cancel_work_sync() will prevent the work from running which also prevents destroying the ah_attr. This leaks a refcount and triggers a WARN: GID entry ref leak for dev syz1 index 2 ref=573 WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 release_gid_table drivers/infiniband/core/cache.c:806 [inline] WARNING: CPU: 1 PID: 655 at drivers/infiniband/core/cache.c:809 gid_table_release_one+0x284/0x3cc drivers/infiniband/core/cache.c:886 Destroy the ah_attr after canceling the work, it is safe to call this twice. Cc: stable(a)vger.kernel.org Fixes: fe454dc31e84 ("RDMA/ucma: Fix use-after-free bug in ucma_create_uevent") Reported-by: syzbot+b0da83a6c0e2e2bddbd4(a)syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/68232e7b.050a0220.f2294.09f6.GAE@google.com Signed-off-by: Jason Gunthorpe <jgg(a)nvidia.com> --- drivers/infiniband/core/cma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c index 95e89f5c147c2c..4f5fd47086ab90 100644 --- a/drivers/infiniband/core/cma.c +++ b/drivers/infiniband/core/cma.c @@ -2031,6 +2031,8 @@ static void destroy_mc(struct rdma_id_private *id_priv, dev_put(ndev); cancel_work_sync(&mc->iboe_join.work); + if (event->event == RDMA_CM_EVENT_MULTICAST_JOIN) + rdma_destroy_ah_attr(&event->param.ud.ah_attr); } kfree(mc); } base-commit: 3fbaef0942719187f3396bfd0c780d55d35e0980 -- 2.43.0

1 week, 4 days

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[PATCH] RDMA/core: Check for the presence of LS_NLA_TYPE_DGID correctly

by Jason Gunthorpe

The netlink response for RDMA_NL_LS_OP_IP_RESOLVE should always have a LS_NLA_TYPE_DGID attribute, it is invalid if it does not. Use the nl parsing logic properly and call nla_parse_deprecated() to fill the nlattrs array and then directly index that array to get the data for the DGID. Just fail if it is NULL. Remove the for loop searching for the nla, and squash the validation and parsing into one function. Fixes an uninitialized read from the stack triggered by userspace if it does not provide the DGID to a kernel initiated RDMA_NL_LS_OP_IP_RESOLVE query. BUG: KMSAN: uninit-value in hex_byte_pack include/linux/hex.h:13 [inline] BUG: KMSAN: uninit-value in ip6_string+0xef4/0x13a0 lib/vsprintf.c:1490 hex_byte_pack include/linux/hex.h:13 [inline] ip6_string+0xef4/0x13a0 lib/vsprintf.c:1490 ip6_addr_string+0x18a/0x3e0 lib/vsprintf.c:1509 ip_addr_string+0x245/0xee0 lib/vsprintf.c:1633 pointer+0xc09/0x1bd0 lib/vsprintf.c:2542 vsnprintf+0xf8a/0x1bd0 lib/vsprintf.c:2930 vprintk_store+0x3ae/0x1530 kernel/printk/printk.c:2279 vprintk_emit+0x307/0xcd0 kernel/printk/printk.c:2426 vprintk_default+0x3f/0x50 kernel/printk/printk.c:2465 vprintk+0x36/0x50 kernel/printk/printk_safe.c:82 _printk+0x17e/0x1b0 kernel/printk/printk.c:2475 ib_nl_process_good_ip_rsep drivers/infiniband/core/addr.c:128 [inline] ib_nl_handle_ip_res_resp+0x963/0x9d0 drivers/infiniband/core/addr.c:141 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0xefa/0x11c0 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0xf04/0x12b0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x10b3/0x1250 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x333/0x3d0 net/socket.c:729 ____sys_sendmsg+0x7e0/0xd80 net/socket.c:2617 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2671 __sys_sendmsg+0x1aa/0x300 net/socket.c:2703 __compat_sys_sendmsg net/compat.c:346 [inline] __do_compat_sys_sendmsg net/compat.c:353 [inline] __se_compat_sys_sendmsg net/compat.c:350 [inline] __ia32_compat_sys_sendmsg+0xa4/0x100 net/compat.c:350 ia32_sys_call+0x3f6c/0x4310 arch/x86/include/generated/asm/syscalls_32.h:371 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xb0/0x150 arch/x86/entry/syscall_32.c:306 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:3 Cc: stable(a)vger.kernel.org Fixes: ae43f8286730 ("IB/core: Add IP to GID netlink offload") Reported-by: syzbot+938fcd548c303fe33c1a(a)syzkaller.appspotmail.com Closes: https://lore.kernel.org/r/68dc3dac.a00a0220.102ee.004f.GAE@google.com Signed-off-by: Jason Gunthorpe <jgg(a)nvidia.com> --- drivers/infiniband/core/addr.c | 33 ++++++++++----------------------- 1 file changed, 10 insertions(+), 23 deletions(-) diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 61596cda2b65f3..35ba852a172aad 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -80,37 +80,25 @@ static const struct nla_policy ib_nl_addr_policy[LS_NLA_TYPE_MAX] = { .min = sizeof(struct rdma_nla_ls_gid)}, }; -static inline bool ib_nl_is_good_ip_resp(const struct nlmsghdr *nlh) +static void ib_nl_process_ip_rsep(const struct nlmsghdr *nlh) { struct nlattr *tb[LS_NLA_TYPE_MAX] = {}; + union ib_gid gid; + struct addr_req *req; + int found = 0; int ret; if (nlh->nlmsg_flags & RDMA_NL_LS_F_ERR) - return false; + return; ret = nla_parse_deprecated(tb, LS_NLA_TYPE_MAX - 1, nlmsg_data(nlh), nlmsg_len(nlh), ib_nl_addr_policy, NULL); if (ret) - return false; + return; - return true; -} - -static void ib_nl_process_good_ip_rsep(const struct nlmsghdr *nlh) -{ - const struct nlattr *head, *curr; - union ib_gid gid; - struct addr_req *req; - int len, rem; - int found = 0; - - head = (const struct nlattr *)nlmsg_data(nlh); - len = nlmsg_len(nlh); - - nla_for_each_attr(curr, head, len, rem) { - if (curr->nla_type == LS_NLA_TYPE_DGID) - memcpy(&gid, nla_data(curr), nla_len(curr)); - } + if (!tb[LS_NLA_TYPE_DGID]) + return; + memcpy(&gid, nla_data(tb[LS_NLA_TYPE_DGID]), sizeof(gid)); spin_lock_bh(&lock); list_for_each_entry(req, &req_list, list) { @@ -137,8 +125,7 @@ int ib_nl_handle_ip_res_resp(struct sk_buff *skb, !(NETLINK_CB(skb).sk)) return -EPERM; - if (ib_nl_is_good_ip_resp(nlh)) - ib_nl_process_good_ip_rsep(nlh); + ib_nl_process_ip_rsep(nlh); return 0; } base-commit: 80a85a771deb113cfe2e295fb9e84467a43ebfe4 -- 2.43.0

1 week, 4 days

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[PATCH] usb: dwc3: of-simple: fix clock resource leak in dwc3_of_simple_probe

by Miaoqian Lin

When clk_bulk_prepare_enable() fails, the error path jumps to err_resetc_assert, skipping clk_bulk_put_all() and leaking the clock references acquired by clk_bulk_get_all(). Add err_clk_put_all label to properly release clock resources in all error paths. Found via static analysis and code review. Fixes: c0c61471ef86 ("usb: dwc3: of-simple: Convert to bulk clk API") Cc: stable(a)vger.kernel.org Signed-off-by: Miaoqian Lin <linmq006(a)gmail.com> --- drivers/usb/dwc3/dwc3-of-simple.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-of-simple.c b/drivers/usb/dwc3/dwc3-of-simple.c index a4954a21be93..c116143335d9 100644 --- a/drivers/usb/dwc3/dwc3-of-simple.c +++ b/drivers/usb/dwc3/dwc3-of-simple.c @@ -70,11 +70,11 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) simple->num_clocks = ret; ret = clk_bulk_prepare_enable(simple->num_clocks, simple->clks); if (ret) - goto err_resetc_assert; + goto err_clk_put_all; ret = of_platform_populate(np, NULL, NULL, dev); if (ret) - goto err_clk_put; + goto err_clk_disable; pm_runtime_set_active(dev); pm_runtime_enable(dev); @@ -82,8 +82,9 @@ static int dwc3_of_simple_probe(struct platform_device *pdev) return 0; -err_clk_put: +err_clk_disable: clk_bulk_disable_unprepare(simple->num_clocks, simple->clks); +err_clk_put_all: clk_bulk_put_all(simple->num_clocks, simple->clks); err_resetc_assert: -- 2.25.1

1 week, 5 days

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+ mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison.patch added to mm-hotfixes-unstable branch

by Andrew Morton

The patch titled Subject: mm/memory-failure: fix missing ->mf_stats count in hugetlb poison has been added to the -mm mm-hotfixes-unstable branch. Its filename is mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patche… This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via various branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there most days ------------------------------------------------------ From: Jane Chu <jane.chu(a)oracle.com> Subject: mm/memory-failure: fix missing ->mf_stats count in hugetlb poison Date: Tue, 16 Dec 2025 14:56:21 -0700 When a newly poisoned subpage ends up in an already poisoned hugetlb folio, 'num_poisoned_pages' is incremented, but the per node ->mf_stats is not. Fix the inconsistency by designating action_result() to update them both. Link: https://lkml.kernel.org/r/20251216215621.920093-1-jane.chu@oracle.com Fixes: 18f41fa616ee4 ("mm: memory-failure: bump memory failure stats to pglist_data") Signed-off-by: Jane Chu <jane.chu(a)oracle.com> Cc: David Rientjes <rientjes(a)google.com> Cc: Jiaqi Yan <jiaqiyan(a)google.com> Cc: Liam Howlett <liam.howlett(a)oracle.com> Cc: Lorenzo Stoakes <lorenzo.stoakes(a)oracle.com> Cc: Miaohe Lin <linmiaohe(a)huawei.com> Cc: Michal Hocko <mhocko(a)suse.com> Cc: Mike Rapoport <rppt(a)kernel.org> Cc: Muchun Song <muchun.song(a)linux.dev> Cc: Oscar Salvador <osalvador(a)suse.de> Cc: Suren Baghdasaryan <surenb(a)google.com> Cc: William Roche <william.roche(a)oracle.com> Cc: <stable(a)vger.kernel.org> Signed-off-by: Andrew Morton <akpm(a)linux-foundation.org> --- include/linux/hugetlb.h | 4 ++-- include/linux/mm.h | 4 ++-- mm/hugetlb.c | 4 ++-- mm/memory-failure.c | 22 +++++++++++++--------- 4 files changed, 19 insertions(+), 15 deletions(-) --- a/include/linux/hugetlb.h~mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison +++ a/include/linux/hugetlb.h @@ -156,7 +156,7 @@ long hugetlb_unreserve_pages(struct inod bool folio_isolate_hugetlb(struct folio *folio, struct list_head *list); int get_hwpoison_hugetlb_folio(struct folio *folio, bool *hugetlb, bool unpoison); int get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared); + bool *migratable_cleared, bool *samepg); void folio_putback_hugetlb(struct folio *folio); void move_hugetlb_state(struct folio *old_folio, struct folio *new_folio, int reason); void hugetlb_fix_reserve_counts(struct inode *inode); @@ -418,7 +418,7 @@ static inline int get_hwpoison_hugetlb_f } static inline int get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared) + bool *migratable_cleared, bool *samepg) { return 0; } --- a/include/linux/mm.h~mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison +++ a/include/linux/mm.h @@ -4351,7 +4351,7 @@ extern int soft_offline_page(unsigned lo extern const struct attribute_group memory_failure_attr_group; extern void memory_failure_queue(unsigned long pfn, int flags); extern int __get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared); + bool *migratable_cleared, bool *samepg); void num_poisoned_pages_inc(unsigned long pfn); void num_poisoned_pages_sub(unsigned long pfn, long i); #else @@ -4360,7 +4360,7 @@ static inline void memory_failure_queue( } static inline int __get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared) + bool *migratable_cleared, bool *samepg) { return 0; } --- a/mm/hugetlb.c~mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison +++ a/mm/hugetlb.c @@ -7132,12 +7132,12 @@ int get_hwpoison_hugetlb_folio(struct fo } int get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared) + bool *migratable_cleared, bool *samepg) { int ret; spin_lock_irq(&hugetlb_lock); - ret = __get_huge_page_for_hwpoison(pfn, flags, migratable_cleared); + ret = __get_huge_page_for_hwpoison(pfn, flags, migratable_cleared, samepg); spin_unlock_irq(&hugetlb_lock); return ret; } --- a/mm/memory-failure.c~mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison +++ a/mm/memory-failure.c @@ -1883,7 +1883,8 @@ static unsigned long __folio_free_raw_hw return count; } -static int folio_set_hugetlb_hwpoison(struct folio *folio, struct page *page) +static int folio_set_hugetlb_hwpoison(struct folio *folio, struct page *page, + bool *samepg) { struct llist_head *head; struct raw_hwp_page *raw_hwp; @@ -1899,17 +1900,16 @@ static int folio_set_hugetlb_hwpoison(st return -EHWPOISON; head = raw_hwp_list_head(folio); llist_for_each_entry(p, head->first, node) { - if (p->page == page) + if (p->page == page) { + *samepg = true; return -EHWPOISON; + } } raw_hwp = kmalloc(sizeof(struct raw_hwp_page), GFP_ATOMIC); if (raw_hwp) { raw_hwp->page = page; llist_add(&raw_hwp->node, head); - /* the first error event will be counted in action_result(). */ - if (ret) - num_poisoned_pages_inc(page_to_pfn(page)); } else { /* * Failed to save raw error info. We no longer trace all @@ -1966,7 +1966,7 @@ void folio_clear_hugetlb_hwpoison(struct * -EHWPOISON - the hugepage is already hwpoisoned */ int __get_huge_page_for_hwpoison(unsigned long pfn, int flags, - bool *migratable_cleared) + bool *migratable_cleared, bool *samepg) { struct page *page = pfn_to_page(pfn); struct folio *folio = page_folio(page); @@ -1991,7 +1991,7 @@ int __get_huge_page_for_hwpoison(unsigne goto out; } - if (folio_set_hugetlb_hwpoison(folio, page)) { + if (folio_set_hugetlb_hwpoison(folio, page, samepg)) { ret = -EHWPOISON; goto out; } @@ -2024,11 +2024,12 @@ static int try_memory_failure_hugetlb(un struct page *p = pfn_to_page(pfn); struct folio *folio; unsigned long page_flags; + bool samepg = false; bool migratable_cleared = false; *hugetlb = 1; retry: - res = get_huge_page_for_hwpoison(pfn, flags, &migratable_cleared); + res = get_huge_page_for_hwpoison(pfn, flags, &migratable_cleared, &samepg); if (res == 2) { /* fallback to normal page handling */ *hugetlb = 0; return 0; @@ -2037,7 +2038,10 @@ retry: folio = page_folio(p); res = kill_accessing_process(current, folio_pfn(folio), flags); } - action_result(pfn, MF_MSG_ALREADY_POISONED, MF_FAILED); + if (samepg) + action_result(pfn, MF_MSG_ALREADY_POISONED, MF_FAILED); + else + action_result(pfn, MF_MSG_HUGE, MF_FAILED); return res; } else if (res == -EBUSY) { if (!(flags & MF_NO_RETRY)) { _ Patches currently in -mm which might be from jane.chu(a)oracle.com are mm-memory-failure-fix-missing-mf_stats-count-in-hugetlb-poison.patch

1 week, 5 days

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LDI Show 2025 Contacts

by Caroline Turner

Hi Exhibitor, Hope you had a successful experience at LDI Show 2025 (Dec 3–9, Las Vegas). We have access to a verified list of 16,594 attendees and 312 exhibitors across the live events, lighting, audio, staging, and production-technology sectors. This includes lighting designers, audio engineers, production managers, AV integrators, stage/rigging technicians, venue operations heads, broadcast specialists, and other key live-event decision-makers. Don’t miss the opportunity to connect with high-quality prospects after the event. If interested, kindly reply “Send Pricing” to receive the details. Best regards, Caroline Turner Senior Market Analyst To opt-out, reply “Not Interested”.

1 week, 5 days

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[PATCH v2 0/1] fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes()

by Joanne Koong

This patch reverts fuse back to its original behavior of sync being a no-op. This fixes the userspace regression reported by Athul and J. upstream in [1][2] where if there is a bug in a fuse server that causes the server to never complete writeback, it will make wait_sb_inodes() wait forever. Thanks, Joanne [1] https://lore.kernel.org/regressions/CAJnrk1ZjQ8W8NzojsvJPRXiv9TuYPNdj8Ye7=C… [2] https://lore.kernel.org/linux-fsdevel/aT7JRqhUvZvfUQlV@eldamar.lan/ Changelog: v1: https://lore.kernel.org/linux-mm/20251120184211.2379439-1-joannelkoong@gmai… * Change AS_WRITEBACK_MAY_HANG to AS_NO_DATA_INTEGRITY and keep AS_WRITEBACK_MAY_DEADLOCK_ON_RECLAIM as is. Joanne Koong (1): fs/writeback: skip AS_NO_DATA_INTEGRITY mappings in wait_sb_inodes() fs/fs-writeback.c | 3 ++- fs/fuse/file.c | 4 +++- include/linux/pagemap.h | 11 +++++++++++ 3 files changed, 16 insertions(+), 2 deletions(-) -- 2.47.3

1 week, 5 days

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