{"api_version":"1","generated_at":"2026-08-22T18:23:03+00:00","cve":"CVE-2026-72354","urls":{"html":"https://cve.report/CVE-2026-72354","api":"https://cve.report/api/cve/CVE-2026-72354.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-72354","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-72354"},"summary":{"title":"ntfs: avoid stale runlist element dereference in MFT writeback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: avoid stale runlist element dereference in MFT writeback\n\nntfs_write_mft_block() maps each $MFT record through the $MFT data\nrunlist. For sub-folio clusters it looks up a struct runlist_element under\nni->runlist.lock, drops the lock, and later uses rl->length and rl->vcn\nwhen choosing folio_sz.\n\nThat pointer is only borrowed from ni->runlist.rl. Concurrent $MFT\nallocation extension can merge a replacement runlist under the same lock,\nand ntfs_rl_realloc() can free the old backing array. If that happens\nbetween the lookup and the later folio_sz decision, writeback can\ndereference freed runlist storage.\n\nThe buggy scenario involves two paths, with each column showing the order\nwithin that path:\n\nMFT writeback path:               $MFT allocation extension:\n1. Look up rl under               1. Extend the $MFT data allocation.\n   ni->runlist.lock.              2. Publish a replacement runlist.\n2. Drop ni->runlist.lock.         3. Free the old runlist array.\n3. Read rl->length and rl->vcn\n   to choose folio_sz.\n\nCompute the remaining run length while ni->runlist.lock is still held, and\nuse that scalar after unlock. This preserves the existing folio sizing\ndecision without carrying a borrowed runlist_element across the lock\nboundary.\n\nValidation reproduced this kernel report:\nBUG: KASAN: slab-use-after-free in ntfs_mft_writepages+0x1c8d/0x1fb0\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x66/0xa0\n print_report+0xce/0x630\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __virt_addr_valid+0x20d/0x410\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n kasan_report+0xe0/0x110\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ntfs_mft_writepages+0x1c8d/0x1fb0\n ? __pfx_ntfs_mft_writepages+0x10/0x10\n ? __pfx___mutex_unlock_slowpath+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? iput+0x92/0xa80\n do_writepages+0x219/0x530\n ? __pfx_do_writepages+0x10/0x10\n __writeback_single_inode+0x117/0xf50\n ? do_raw_spin_lock+0x130/0x270\n ? __pfx_do_raw_spin_lock+0x10/0x10\n ? __pfx___writeback_single_inode+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n writeback_sb_inodes+0x65b/0x1810\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_acquire+0x2b8/0x2f0\n ? __pfx_writeback_sb_inodes+0x10/0x10\n ? lock_release+0x1e0/0x280\n ? _raw_spin_unlock+0x23/0x40\n ? move_expired_inodes+0x2b8/0x850\n __writeback_inodes_wb+0xf4/0x270\n ? __pfx___writeback_inodes_wb+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? queue_io+0x2e4/0x410\n wb_writeback+0x666/0x880\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __pfx_wb_writeback+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? get_nr_dirty_inodes+0x1c/0x170\n wb_workfn+0x75e/0xbb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? _raw_spin_unlock_irqrestore+0x27/0x60\n ? __pfx_wb_workfn+0x10/0x10\n ? __pfx_debug_object_deactivate+0x10/0x10\n ? lock_acquire+0x2b8/0x2f0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_release+0x1e0/0x280\n process_one_work+0x8d0/0x1870\n ? __pfx_process_one_work+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n worker_thread+0x575/0xf80\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x2e7/0x3c0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x576/0x810\n ? __pfx_ret_from_fork+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __switch_to+0x57e/0xe10\n ? __switch_to_asm+0x33/0x70\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>\n\nAllocated by task 970:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0xaa/0xb0\n __kvmalloc_node_noprof+0x353/0x920\n ntfs_rl_realloc+0x3c/0x80\n ntfs_runlists_merge+0x1212/0x3010\n ntfs_mft_data_extend_allocation_nolock+0x3e0/0x1f40\n ntfs_mft_record_alloc+0x1ab4/0x4f10\n __ntfs_create+0x680/0x2e50\n ntfs_create+0x1e6/0x3a0\n path_openat+0x2b55/0x3c10\n do_file_open+0x1f4/0x460\n do_sys_openat2+0xde/0x170\n __x64_sys_openat+0x122/0x1e0\n do_syscall_64+0x115/0x6a0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 1294:\n kasan_save_\n---truncated---","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:08","updated_at":"2026-08-17 06:18:39"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/9a2e36963a3fc52401586657d34e3f1c5a01ea56","name":"https://git.kernel.org/stable/c/9a2e36963a3fc52401586657d34e3f1c5a01ea56","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/81fe702ff1760da32bcd3ef4494b2a33dbeced72","name":"https://git.kernel.org/stable/c/81fe702ff1760da32bcd3ef4494b2a33dbeced72","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-72354","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72354","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 115380f9a2f9675c7924563cbba70d40cae8fb81 9a2e36963a3fc52401586657d34e3f1c5a01ea56 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 115380f9a2f9675c7924563cbba70d40cae8fb81 81fe702ff1760da32bcd3ef4494b2a33dbeced72 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"72354","cve":"CVE-2026-72354","epss":"0.005080000","percentile":"0.410150000","score_date":"2026-08-17","updated_at":"2026-08-18 00:11:47"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ntfs/mft.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9a2e36963a3fc52401586657d34e3f1c5a01ea56","status":"affected","version":"115380f9a2f9675c7924563cbba70d40cae8fb81","versionType":"git"},{"lessThan":"81fe702ff1760da32bcd3ef4494b2a33dbeced72","status":"affected","version":"115380f9a2f9675c7924563cbba70d40cae8fb81","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ntfs/mft.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"7.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"7.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: avoid stale runlist element dereference in MFT writeback\n\nntfs_write_mft_block() maps each $MFT record through the $MFT data\nrunlist. For sub-folio clusters it looks up a struct runlist_element under\nni->runlist.lock, drops the lock, and later uses rl->length and rl->vcn\nwhen choosing folio_sz.\n\nThat pointer is only borrowed from ni->runlist.rl. Concurrent $MFT\nallocation extension can merge a replacement runlist under the same lock,\nand ntfs_rl_realloc() can free the old backing array. If that happens\nbetween the lookup and the later folio_sz decision, writeback can\ndereference freed runlist storage.\n\nThe buggy scenario involves two paths, with each column showing the order\nwithin that path:\n\nMFT writeback path:               $MFT allocation extension:\n1. Look up rl under               1. Extend the $MFT data allocation.\n   ni->runlist.lock.              2. Publish a replacement runlist.\n2. Drop ni->runlist.lock.         3. Free the old runlist array.\n3. Read rl->length and rl->vcn\n   to choose folio_sz.\n\nCompute the remaining run length while ni->runlist.lock is still held, and\nuse that scalar after unlock. This preserves the existing folio sizing\ndecision without carrying a borrowed runlist_element across the lock\nboundary.\n\nValidation reproduced this kernel report:\nBUG: KASAN: slab-use-after-free in ntfs_mft_writepages+0x1c8d/0x1fb0\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x66/0xa0\n print_report+0xce/0x630\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __virt_addr_valid+0x20d/0x410\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n kasan_report+0xe0/0x110\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ntfs_mft_writepages+0x1c8d/0x1fb0\n ? __pfx_ntfs_mft_writepages+0x10/0x10\n ? __pfx___mutex_unlock_slowpath+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? iput+0x92/0xa80\n do_writepages+0x219/0x530\n ? __pfx_do_writepages+0x10/0x10\n __writeback_single_inode+0x117/0xf50\n ? do_raw_spin_lock+0x130/0x270\n ? __pfx_do_raw_spin_lock+0x10/0x10\n ? __pfx___writeback_single_inode+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n writeback_sb_inodes+0x65b/0x1810\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_acquire+0x2b8/0x2f0\n ? __pfx_writeback_sb_inodes+0x10/0x10\n ? lock_release+0x1e0/0x280\n ? _raw_spin_unlock+0x23/0x40\n ? move_expired_inodes+0x2b8/0x850\n __writeback_inodes_wb+0xf4/0x270\n ? __pfx___writeback_inodes_wb+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? queue_io+0x2e4/0x410\n wb_writeback+0x666/0x880\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __pfx_wb_writeback+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? get_nr_dirty_inodes+0x1c/0x170\n wb_workfn+0x75e/0xbb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? _raw_spin_unlock_irqrestore+0x27/0x60\n ? __pfx_wb_workfn+0x10/0x10\n ? __pfx_debug_object_deactivate+0x10/0x10\n ? lock_acquire+0x2b8/0x2f0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_release+0x1e0/0x280\n process_one_work+0x8d0/0x1870\n ? __pfx_process_one_work+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n worker_thread+0x575/0xf80\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x2e7/0x3c0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x576/0x810\n ? __pfx_ret_from_fork+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __switch_to+0x57e/0xe10\n ? __switch_to_asm+0x33/0x70\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>\n\nAllocated by task 970:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0xaa/0xb0\n __kvmalloc_node_noprof+0x353/0x920\n ntfs_rl_realloc+0x3c/0x80\n ntfs_runlists_merge+0x1212/0x3010\n ntfs_mft_data_extend_allocation_nolock+0x3e0/0x1f40\n ntfs_mft_record_alloc+0x1ab4/0x4f10\n __ntfs_create+0x680/0x2e50\n ntfs_create+0x1e6/0x3a0\n path_openat+0x2b55/0x3c10\n do_file_open+0x1f4/0x460\n do_sys_openat2+0xde/0x170\n __x64_sys_openat+0x122/0x1e0\n do_syscall_64+0x115/0x6a0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 1294:\n kasan_save_\n---truncated---"}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:N - Remote clients can reach ntfs_create/ntfs_mft_record_alloc via ksmbd, NFS, or Samba on an rw-mounted NTFS export, racing the kernel $MFT writeback worker without local shell access.\nAC:L - The attacker controls concurrent file creation that extends $MFT allocation while dirty MFT folios write back; the fix commit documents a reproducible KASAN UAF from this attacker-influenced race.\nPR:L - Only filesystem write permission on an rw-mounted NTFS volume is required (local unprivileged user or authenticated network share client), not real root in the initial mount namespace.\nUI:N - No victim interaction is needed; the attacker triggers metadata writes and relies on automatic writeback once $MFT pages are dirty.\nS:U - Impact is confined to kernel NTFS/$MFT writeback on the host; it does not cross VM, hypervisor, or IOMMU security boundaries.\nC:H - Slab use-after-free of runlist_element fields permits reading freed or attacker-influenced kernel memory, matching UAF arbitrary-read exploitation potential.\nI:H - Freed runlist contents control folio_sz and bio sizing for $MFT writeback, enabling misdirected kernel writes and standard UAF-based arbitrary write primitives.\nA:H - Reproduced as KASAN slab-use-after-free in ntfs_mft_writepages; stale runlist dereference can oops or panic the kernel during the race."}]}],"providerMetadata":{"dateUpdated":"2026-08-17T05:43:12.145Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/9a2e36963a3fc52401586657d34e3f1c5a01ea56"},{"url":"https://git.kernel.org/stable/c/81fe702ff1760da32bcd3ef4494b2a33dbeced72"}],"title":"ntfs: avoid stale runlist element dereference in MFT writeback","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-72354","datePublished":"2026-08-15T05:55:56.163Z","dateReserved":"2026-08-09T03:40:39.921Z","dateUpdated":"2026-08-17T05:43:12.145Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:08","lastModifiedDate":"2026-08-17 06:18:39","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"72354","Ordinal":"1","Title":"ntfs: avoid stale runlist element dereference in MFT writeback","CVE":"CVE-2026-72354","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"72354","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nntfs: avoid stale runlist element dereference in MFT writeback\n\nntfs_write_mft_block() maps each $MFT record through the $MFT data\nrunlist. For sub-folio clusters it looks up a struct runlist_element under\nni->runlist.lock, drops the lock, and later uses rl->length and rl->vcn\nwhen choosing folio_sz.\n\nThat pointer is only borrowed from ni->runlist.rl. Concurrent $MFT\nallocation extension can merge a replacement runlist under the same lock,\nand ntfs_rl_realloc() can free the old backing array. If that happens\nbetween the lookup and the later folio_sz decision, writeback can\ndereference freed runlist storage.\n\nThe buggy scenario involves two paths, with each column showing the order\nwithin that path:\n\nMFT writeback path:               $MFT allocation extension:\n1. Look up rl under               1. Extend the $MFT data allocation.\n   ni->runlist.lock.              2. Publish a replacement runlist.\n2. Drop ni->runlist.lock.         3. Free the old runlist array.\n3. Read rl->length and rl->vcn\n   to choose folio_sz.\n\nCompute the remaining run length while ni->runlist.lock is still held, and\nuse that scalar after unlock. This preserves the existing folio sizing\ndecision without carrying a borrowed runlist_element across the lock\nboundary.\n\nValidation reproduced this kernel report:\nBUG: KASAN: slab-use-after-free in ntfs_mft_writepages+0x1c8d/0x1fb0\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x66/0xa0\n print_report+0xce/0x630\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __virt_addr_valid+0x20d/0x410\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n kasan_report+0xe0/0x110\n ? ntfs_mft_writepages+0x1c8d/0x1fb0\n ntfs_mft_writepages+0x1c8d/0x1fb0\n ? __pfx_ntfs_mft_writepages+0x10/0x10\n ? __pfx___mutex_unlock_slowpath+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? iput+0x92/0xa80\n do_writepages+0x219/0x530\n ? __pfx_do_writepages+0x10/0x10\n __writeback_single_inode+0x117/0xf50\n ? do_raw_spin_lock+0x130/0x270\n ? __pfx_do_raw_spin_lock+0x10/0x10\n ? __pfx___writeback_single_inode+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n writeback_sb_inodes+0x65b/0x1810\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_acquire+0x2b8/0x2f0\n ? __pfx_writeback_sb_inodes+0x10/0x10\n ? lock_release+0x1e0/0x280\n ? _raw_spin_unlock+0x23/0x40\n ? move_expired_inodes+0x2b8/0x850\n __writeback_inodes_wb+0xf4/0x270\n ? __pfx___writeback_inodes_wb+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? queue_io+0x2e4/0x410\n wb_writeback+0x666/0x880\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __pfx_wb_writeback+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? get_nr_dirty_inodes+0x1c/0x170\n wb_workfn+0x75e/0xbb0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? _raw_spin_unlock_irqrestore+0x27/0x60\n ? __pfx_wb_workfn+0x10/0x10\n ? __pfx_debug_object_deactivate+0x10/0x10\n ? lock_acquire+0x2b8/0x2f0\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? lock_release+0x1e0/0x280\n process_one_work+0x8d0/0x1870\n ? __pfx_process_one_work+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n worker_thread+0x575/0xf80\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x2e7/0x3c0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x576/0x810\n ? __pfx_ret_from_fork+0x10/0x10\n ? srso_alias_return_thunk+0x5/0xfbef5\n ? __switch_to+0x57e/0xe10\n ? __switch_to_asm+0x33/0x70\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>\n\nAllocated by task 970:\n kasan_save_stack+0x33/0x60\n kasan_save_track+0x14/0x30\n __kasan_kmalloc+0xaa/0xb0\n __kvmalloc_node_noprof+0x353/0x920\n ntfs_rl_realloc+0x3c/0x80\n ntfs_runlists_merge+0x1212/0x3010\n ntfs_mft_data_extend_allocation_nolock+0x3e0/0x1f40\n ntfs_mft_record_alloc+0x1ab4/0x4f10\n __ntfs_create+0x680/0x2e50\n ntfs_create+0x1e6/0x3a0\n path_openat+0x2b55/0x3c10\n do_file_open+0x1f4/0x460\n do_sys_openat2+0xde/0x170\n __x64_sys_openat+0x122/0x1e0\n do_syscall_64+0x115/0x6a0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nFreed by task 1294:\n kasan_save_\n---truncated---","Type":"Description","Title":"ntfs: avoid stale runlist element dereference in MFT writeback"}]}}}