ci starts bisection 2025-02-21 13:26:20.335521642 +0000 UTC m=+44619.478221214 bisecting cause commit starting from 27eddbf3449026a73d6ed52d55b192bfcf526a03 building syzkaller on 0808a665bc75ab0845906bfeca0d12fb520ae6eb ensuring issue is reproducible on original commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1794275b048abfa3fe997fb1e13dd9c0014cd14fe06e5795acddd4e3fa0b587f all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a15661afdc389e136d5be6d3d39f3154c993ce75572ffb4b01eb8e172db45f4 all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4065 full=8265 leaves diff=2114 split chunks (needed=false): <2114> split chunk #0 of len 2114 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5f1310fb71b9ea2f55c87a2f1583e059d8ae8e5771d8d5510380e07a4f681b2 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 99a750083d74aa16b8eff81dc0cb40609a2aa29976efc31d696b19871fc78a0a all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d3b90705fe6bf4e5c453560e3b24d3600959cc564357de739afa1dee9d48048 all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64b294d17a1000ed89b2c911f911de10d1259671b2f7acf456546b53f7f935e9 all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 27eddbf3449026a73d6ed52d55b192bfcf526a03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f343049402f40dbb8deaa2943d2ca4e69fd40ffdcb5471999857850f2537fe8a all runs: crashed: KASAN: use-after-free Read in check_dirent representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] the chunk can be dropped minimized to 423 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C CRYPTO_CRC64_ROCKSOFT CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac765381862029ff22b9950adbe02c06d158673361bd6a839808f5b69c4459c2 all runs: OK false negative chance: 0.000 # git bisect start 27eddbf3449026a73d6ed52d55b192bfcf526a03 ffd294d346d185b70e28b1a28abe367bbfe53c04 Bisecting: 5408 revisions left to test after this (roughly 12 steps) [7685b334d1e4927cc73b62c65293ba65748d9c52] Merge tag 'perf-tools-for-v6.14-2025-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools testing commit 7685b334d1e4927cc73b62c65293ba65748d9c52 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 635e5744c07ea8d76b291f20da7a78246cb02b832a88771279c0a59cb09f0597 run #0: crashed: KASAN: use-after-free Read in check_dirent run #1: crashed: KASAN: use-after-free Read in check_dirent run #2: OK run #3: crashed: KASAN: use-after-free Read in check_dirent run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] # git bisect bad 7685b334d1e4927cc73b62c65293ba65748d9c52 Bisecting: 2902 revisions left to test after this (roughly 11 steps) [5f537664e705b0bf8b7e329861f20128534f6a83] cachestat: fix page cache statistics permission checking testing commit 5f537664e705b0bf8b7e329861f20128534f6a83 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d41914c33b03ab854e0e2148255eebef6a751cc4c7a99f0eebc7758bf6b2974a run #0: crashed: KASAN: use-after-free Read in check_dirent run #1: crashed: KASAN: use-after-free Read in check_dirent run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in check_dirent, types: [KASAN] unable to determine the verdict: 18 good runs (wanted 15), for bad wanted 10 in total, got 20 # git bisect skip 5f537664e705b0bf8b7e329861f20128534f6a83 Bisecting: 2902 revisions left to test after this (roughly 11 steps) [734148a1d8d1ff00b1f31a44f20bf013f820e8e0] drm/i915/adlp+/dp_mst: Align slave transcoder enabling with spec wrt. DDI function testing commit 734148a1d8d1ff00b1f31a44f20bf013f820e8e0 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 666d5d39ffb3632c12581e3f389adec5aba81baf59b89ec0df4832a916810df2 all runs: OK false negative chance: 0.000 # git bisect good 734148a1d8d1ff00b1f31a44f20bf013f820e8e0 Bisecting: 2902 revisions left to test after this (roughly 11 steps) [0568c6ebf072d913c437dbb5271f889a5e329007] ring-buffer: Check for empty ring-buffer with rb_num_of_entries() testing commit 0568c6ebf072d913c437dbb5271f889a5e329007 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5ce47008e99beddf472abfa8661ed7bbcd4cc903e1c167adaf435dcb58c3ce16 all runs: OK false negative chance: 0.000 # git bisect good 0568c6ebf072d913c437dbb5271f889a5e329007 Bisecting: 2902 revisions left to test after this (roughly 11 steps) [f5d38d4fa88441bc4f96e185bce7426790e32949] drm/i915/display: convert intel_display_driver.[ch] to struct intel_display testing commit f5d38d4fa88441bc4f96e185bce7426790e32949 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f20c3a1121c5ac3d8bc74a983642e941d763253b6174516d197c0f80b087e040 all runs: OK false negative chance: 0.000 # git bisect good f5d38d4fa88441bc4f96e185bce7426790e32949 Bisecting: 2902 revisions left to test after this (roughly 11 steps) [16a6f4d3b558bd55b52892f2becad8f33cb62ed2] landlock: Use scoped guards for ruleset in landlock_add_rule() testing commit 16a6f4d3b558bd55b52892f2becad8f33cb62ed2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 118fcf3f42ab817c70c4e50fecd006eac1aa013a5dc91e45db247b196a5bca4b all runs: OK false negative chance: 0.000 # git bisect good 16a6f4d3b558bd55b52892f2becad8f33cb62ed2 Bisecting: 2896 revisions left to test after this (roughly 11 steps) [81a4058e0cd0f07139f088fbeb65bc488f687829] io_uring: use region api for CQ testing commit 81a4058e0cd0f07139f088fbeb65bc488f687829 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 342763f306ad9a84f1053cfb90c35aeab3b1574e86145d5c9b37d5865191936b all runs: OK false negative chance: 0.000 # git bisect good 81a4058e0cd0f07139f088fbeb65bc488f687829 Bisecting: 2896 revisions left to test after this (roughly 11 steps) [69785001c669e6e8681efdc3e49afee9f6a38559] bcachefs: Fix unhandled transaction restart in evacuate_bucket() testing commit 69785001c669e6e8681efdc3e49afee9f6a38559 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f58ba0677286af8e72bbe3718706bc1b9fbe468381ff960bda69eab28f9bfdf4 all runs: OK false negative chance: 0.000 # git bisect good 69785001c669e6e8681efdc3e49afee9f6a38559 Bisecting: 2896 revisions left to test after this (roughly 11 steps) [f6f1795d0c3753a5ff43e52ee40277a65b464e7c] Merge branch 'mlx5-misc-changes-2024-12-19' testing commit f6f1795d0c3753a5ff43e52ee40277a65b464e7c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7bf8a69f06de849e7ba08d28f60884ef88c1b856f5300bcb0125aa5b22426e9e all runs: OK false negative chance: 0.000 # git bisect good f6f1795d0c3753a5ff43e52ee40277a65b464e7c Bisecting: 2303 revisions left to test after this (roughly 11 steps) [5aad05463d221bb8afb11607d63eb56fc56eff82] drm/i915/dp_mst: Use link.{min/max}_bpp_x16 testing commit 5aad05463d221bb8afb11607d63eb56fc56eff82 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0c4adaef9d2b8e1d9c8c76322b64b098bd25a4837bc8c4e850198339c722ce7 all runs: OK false negative chance: 0.000 # git bisect good 5aad05463d221bb8afb11607d63eb56fc56eff82 Bisecting: 2303 revisions left to test after this (roughly 11 steps) [cf67f46641abd71ec9c1e4b55481928c50975804] bcachefs: __bch2_btree_pos_to_text() testing commit cf67f46641abd71ec9c1e4b55481928c50975804 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 83d3b6ff18d3daa14aed36c8dc86f1815d5aa261c56d244f70ade71d861d6361 run #0: crashed: KASAN: use-after-free Read in bch2_check_dirents run #1: crashed: KASAN: use-after-free Read in bch2_check_dirents run #2: crashed: KASAN: use-after-free Read in bch2_check_dirents run #3: crashed: KASAN: use-after-free Read in bch2_check_dirents run #4: crashed: KASAN: use-after-free Read in bch2_check_dirents run #5: crashed: KASAN: use-after-free Read in bch2_check_dirents run #6: crashed: KASAN: out-of-bounds Read in bch2_check_dirents run #7: crashed: KASAN: use-after-free Read in bch2_check_dirents run #8: crashed: KASAN: use-after-free Read in bch2_check_dirents run #9: crashed: KASAN: use-after-free Read in bch2_check_dirents run #10: crashed: KASAN: use-after-free Read in bch2_check_dirents run #11: crashed: KASAN: use-after-free Read in bch2_check_dirents run #12: crashed: KASAN: use-after-free Read in bch2_check_dirents run #13: crashed: KASAN: use-after-free Read in bch2_check_dirents run #14: crashed: KASAN: use-after-free Read in bch2_check_dirents run #15: crashed: KASAN: use-after-free Read in bch2_check_dirents run #16: crashed: KASAN: use-after-free Read in bch2_check_dirents run #17: crashed: KASAN: use-after-free Read in bch2_check_dirents run #18: crashed: KASAN: use-after-free Read in bch2_check_dirents run #19: crashed: KASAN: use-after-free Read in bch2_check_dirents representative crash: KASAN: use-after-free Read in bch2_check_dirents, types: [KASAN] # git bisect bad cf67f46641abd71ec9c1e4b55481928c50975804 Bisecting: 96 revisions left to test after this (roughly 7 steps) [b29769c72d0b6f842ae7a1e10e9cfb9a8fcc87fa] bcachefs: If we did repair on a btree node, make sure we rewrite it testing commit b29769c72d0b6f842ae7a1e10e9cfb9a8fcc87fa gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: eafd35fa682bcffd4f28e5afc9e66cbab10b5f5e2a3878ea44efce6506182ce1 all runs: OK false negative chance: 0.000 # git bisect good b29769c72d0b6f842ae7a1e10e9cfb9a8fcc87fa Bisecting: 47 revisions left to test after this (roughly 6 steps) [92e31d425179c0f5b14d27ad1ad4a7b716c8db7e] bcachefs: Don't run overwrite triggers before insert testing commit 92e31d425179c0f5b14d27ad1ad4a7b716c8db7e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b3b4aa7699608c6c5c1154fa021dce89415f5441887114abc79632a95c6f56f all runs: OK false negative chance: 0.000 # git bisect good 92e31d425179c0f5b14d27ad1ad4a7b716c8db7e Bisecting: 23 revisions left to test after this (roughly 5 steps) [0475c7639edf3282783b04913889d2a6369d541e] bcachefs: better check_bp_exists() error message testing commit 0475c7639edf3282783b04913889d2a6369d541e gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c80b8f8a392ea9f606e0f51b75be60e6acbf8cdb83e36db9c96d81dc83d8e34 all runs: OK false negative chance: 0.000 # git bisect good 0475c7639edf3282783b04913889d2a6369d541e Bisecting: 11 revisions left to test after this (roughly 4 steps) [6adc5af50a5401a19c1f23b3ed2ebfd3a0d8cdc6] bcachefs: btree_path_very_locks(): verify lock seq testing commit 6adc5af50a5401a19c1f23b3ed2ebfd3a0d8cdc6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 867ebfc7a8f7669602f62315fd979fad89b5debe76db0a91aceca5c39bb48cff run #0: crashed: KASAN: use-after-free Read in bch2_check_dirents run #1: crashed: KASAN: use-after-free Read in bch2_check_dirents run #2: crashed: KASAN: out-of-bounds Read in bch2_check_dirents run #3: crashed: KASAN: use-after-free Read in bch2_check_dirents run #4: crashed: KASAN: use-after-free Read in bch2_check_dirents run #5: crashed: KASAN: use-after-free Read in bch2_check_dirents run #6: crashed: KASAN: use-after-free Read in bch2_check_dirents run #7: crashed: KASAN: use-after-free Read in bch2_check_dirents run #8: crashed: KASAN: use-after-free Read in bch2_check_dirents run #9: crashed: KASAN: use-after-free Read in bch2_check_dirents run #10: crashed: KASAN: use-after-free Read in bch2_check_dirents run #11: crashed: KASAN: use-after-free Read in bch2_check_dirents run #12: crashed: KASAN: use-after-free Read in bch2_check_dirents run #13: crashed: KASAN: use-after-free Read in bch2_check_dirents run #14: crashed: KASAN: use-after-free Read in bch2_check_dirents run #15: crashed: KASAN: use-after-free Read in bch2_check_dirents run #16: crashed: KASAN: use-after-free Read in bch2_check_dirents run #17: crashed: KASAN: use-after-free Read in bch2_check_dirents run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in bch2_check_dirents, types: [KASAN] # git bisect bad 6adc5af50a5401a19c1f23b3ed2ebfd3a0d8cdc6 Bisecting: 5 revisions left to test after this (roughly 3 steps) [fa3e5135e4e7bfb38598a58caf592c940eff4b03] bcachefs: Fix assert for online fsck testing commit fa3e5135e4e7bfb38598a58caf592c940eff4b03 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2ab4788e30a023d4f4699318a96ba1a54c3c7bfa69d415c159d0e1c40251966 run #0: crashed: KASAN: use-after-free Read in bch2_check_dirents run #1: crashed: KASAN: use-after-free Read in bch2_check_dirents run #2: crashed: KASAN: use-after-free Read in bch2_check_dirents run #3: crashed: KASAN: use-after-free Read in bch2_check_dirents run #4: crashed: KASAN: use-after-free Read in bch2_check_dirents run #5: crashed: KASAN: use-after-free Read in bch2_check_dirents run #6: crashed: KASAN: out-of-bounds Read in bch2_check_dirents run #7: crashed: KASAN: use-after-free Read in bch2_check_dirents run #8: crashed: KASAN: use-after-free Read in bch2_check_dirents run #9: crashed: KASAN: use-after-free Read in bch2_check_dirents run #10: crashed: KASAN: use-after-free Read in bch2_check_dirents run #11: crashed: KASAN: use-after-free Read in bch2_check_dirents run #12: crashed: KASAN: use-after-free Read in bch2_check_dirents run #13: crashed: KASAN: use-after-free Read in bch2_check_dirents run #14: crashed: KASAN: use-after-free Read in bch2_check_dirents run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: KASAN: use-after-free Read in bch2_check_dirents, types: [KASAN] # git bisect bad fa3e5135e4e7bfb38598a58caf592c940eff4b03 Bisecting: 2 revisions left to test after this (roughly 2 steps) [baf13d83441b8c25fcb09097ec629a8388d1c505] bcachefs: kill __bch2_btree_iter_flags() testing commit baf13d83441b8c25fcb09097ec629a8388d1c505 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 191ec737c56c56b4a1757b92c5b43fa3d046cada1c4a34324e9addf73bb862db all runs: OK false negative chance: 0.000 # git bisect good baf13d83441b8c25fcb09097ec629a8388d1c505 Bisecting: 1 revision left to test after this (roughly 1 step) [861cd0f60624440b51e3ff14b04055b59c13d1e4] bcachefs: Write lock btree node in key cache fills testing commit 861cd0f60624440b51e3ff14b04055b59c13d1e4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ede30748d753068adfba718a8e9bb43ee458e2878cb4230c668ad0d654301e25 all runs: OK false negative chance: 0.000 # git bisect good 861cd0f60624440b51e3ff14b04055b59c13d1e4 Bisecting: 0 revisions left to test after this (roughly 0 steps) [cf3da2d627037a0848e25dbaeaedfadfe534c7c4] bcachefs: Handle -BCH_ERR_need_mark_replicas in gc testing commit cf3da2d627037a0848e25dbaeaedfadfe534c7c4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 605a6018d2b77ccf97f001701ff8bc1485aed69c4f7f7884bc602522c11484c9 run #0: crashed: KASAN: use-after-free Read in bch2_check_dirents run #1: crashed: KASAN: use-after-free Read in bch2_check_dirents run #2: crashed: KASAN: use-after-free Read in bch2_check_dirents run #3: crashed: KASAN: use-after-free Read in bch2_check_dirents run #4: crashed: KASAN: use-after-free Read in bch2_check_dirents run #5: crashed: KASAN: use-after-free Read in bch2_check_dirents run #6: crashed: KASAN: use-after-free Read in bch2_check_dirents run #7: crashed: KASAN: use-after-free Read in bch2_check_dirents run #8: crashed: KASAN: use-after-free Read in bch2_check_dirents run #9: crashed: KASAN: use-after-free Read in bch2_check_dirents run #10: crashed: KASAN: use-after-free Read in bch2_check_dirents run #11: crashed: KASAN: use-after-free Read in bch2_check_dirents run #12: crashed: KASAN: use-after-free Read in bch2_check_dirents run #13: crashed: KASAN: use-after-free Read in bch2_check_dirents run #14: crashed: KASAN: use-after-free Read in bch2_check_dirents run #15: crashed: KASAN: use-after-free Read in bch2_check_dirents run #16: crashed: KASAN: use-after-free Read in bch2_check_dirents run #17: crashed: KASAN: out-of-bounds Read in bch2_check_dirents run #18: crashed: KASAN: use-after-free Read in bch2_check_dirents run #19: OK representative crash: KASAN: use-after-free Read in bch2_check_dirents, types: [KASAN] # git bisect bad cf3da2d627037a0848e25dbaeaedfadfe534c7c4 cf3da2d627037a0848e25dbaeaedfadfe534c7c4 is the first bad commit commit cf3da2d627037a0848e25dbaeaedfadfe534c7c4 Author: Kent Overstreet Date: Mon Dec 16 13:58:02 2024 -0500 bcachefs: Handle -BCH_ERR_need_mark_replicas in gc Locking considerations (possibly no longer relevant?) mean that when an accounting update needs a new superblock replicas entry to be created, it's deferred to the transaction commit error path. But accounting updates for gc/fcsk aren't done from the transaction commit path - so we need to handle -BCH_ERR_btree_insert_need_mark_replicas locally. Signed-off-by: Kent Overstreet fs/bcachefs/disk_accounting.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) accumulated error probability: 0.00 culprit signature: 605a6018d2b77ccf97f001701ff8bc1485aed69c4f7f7884bc602522c11484c9 parent signature: ede30748d753068adfba718a8e9bb43ee458e2878cb4230c668ad0d654301e25 reproducer is flaky (0.65 repro chance estimate) revisions tested: 27, total time: 11h33m41.17283915s (build: 6h27m43.599820741s, test: 4h41m20.205469961s) first bad commit: cf3da2d627037a0848e25dbaeaedfadfe534c7c4 bcachefs: Handle -BCH_ERR_need_mark_replicas in gc recipients (to): ["kent.overstreet@linux.dev" "kent.overstreet@linux.dev" "linux-bcachefs@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: KASAN: use-after-free Read in bch2_check_dirents done bcachefs (loop7): check_extents... done bcachefs (loop7): check_dirents... dirent points to missing inode: u64s 8 type dirent 4096:6728544935518790663:U32_MAX len 0 ver 0: lost+found -> 4097 type dir, fixing ================================================================== BUG: KASAN: use-after-free in check_dirent fs/bcachefs/fsck.c:2351 [inline] BUG: KASAN: use-after-free in bch2_check_dirents+0x107b/0x1190 fs/bcachefs/fsck.c:2375 Read of size 1 at addr ffff888157cc3070 by task syz.7.20/5375 CPU: 0 UID: 0 PID: 5375 Comm: syz.7.20 Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x5a/0x90 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xc3/0x620 mm/kasan/report.c:489 kasan_report+0xd9/0x110 mm/kasan/report.c:602 check_dirent fs/bcachefs/fsck.c:2351 [inline] bch2_check_dirents+0x107b/0x1190 fs/bcachefs/fsck.c:2375 bch2_run_recovery_pass+0x7a/0x160 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ce/0x6f0 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x2fd4/0x37c0 fs/bcachefs/recovery.c:974 bch2_fs_start+0x2ae/0x530 fs/bcachefs/super.c:1032 bch2_fs_get_tree+0xd03/0x1700 fs/bcachefs/fs.c:2200 vfs_get_tree+0x88/0x240 fs/super.c:1814 do_new_mount fs/namespace.c:3507 [inline] path_mount+0x8ea/0x1a70 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount fs/namespace.c:4034 [inline] __x64_sys_mount+0x209/0x280 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbcb978e84a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbcba6c2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fbcba6c2ef0 RCX: 00007fbcb978e84a RDX: 0000400000000000 RSI: 0000400000000040 RDI: 00007fbcba6c2eb0 RBP: 0000400000000000 R08: 00007fbcba6c2ef0 R09: 0000000001000001 R10: 0000000001000001 R11: 0000000000000246 R12: 0000400000000040 R13: 00007fbcba6c2eb0 R14: 000000000000595c R15: 0000400000000140 The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x157cc3 flags: 0x100000000000000(node=0|zone=2) raw: 0100000000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 5, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 5375, tgid 5374 (syz.7.20), ts 102860807557, free_ts 105808568690 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x283/0x300 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x17fd/0x49d0 mm/page_alloc.c:3474 __alloc_pages_noprof+0x1cf/0x4a0 mm/page_alloc.c:4751 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] ___kmalloc_large_node+0xad/0x160 mm/slub.c:4243 __kmalloc_large_node_noprof+0x1a/0xd0 mm/slub.c:4270 __do_kmalloc_node mm/slub.c:4286 [inline] __kmalloc_node_noprof+0x42b/0x560 mm/slub.c:4304 __kvmalloc_node_noprof+0x42/0xd0 mm/util.c:650 btree_bounce_alloc+0x109/0x1f0 fs/bcachefs/btree_io.c:123 bch2_btree_node_read_done+0xbae/0x41d0 fs/bcachefs/btree_io.c:1222 btree_node_read_work+0x513/0xdf0 fs/bcachefs/btree_io.c:1358 bch2_btree_node_read+0x6f6/0xca0 fs/bcachefs/btree_io.c:1748 __bch2_btree_root_read fs/bcachefs/btree_io.c:1789 [inline] bch2_btree_root_read+0x220/0x3d0 fs/bcachefs/btree_io.c:1811 read_btree_roots fs/bcachefs/recovery.c:582 [inline] bch2_fs_recovery+0x2067/0x37c0 fs/bcachefs/recovery.c:929 bch2_fs_start+0x2ae/0x530 fs/bcachefs/super.c:1032 bch2_fs_get_tree+0xd03/0x1700 fs/bcachefs/fs.c:2200 vfs_get_tree+0x88/0x240 fs/super.c:1814 page last free pid 5375 tgid 5374 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] __free_pages_ok+0x675/0xe60 mm/page_alloc.c:1269 __folio_put+0x258/0x350 mm/swap.c:112 btree_bounce_free fs/bcachefs/btree_io.c:111 [inline] btree_node_sort+0xe73/0x14e0 fs/bcachefs/btree_io.c:379 bch2_btree_post_write_cleanup fs/bcachefs/btree_io.c:2293 [inline] bch2_btree_post_write_cleanup+0x10a/0x600 fs/bcachefs/btree_io.c:2267 bch2_btree_node_prep_for_write fs/bcachefs/btree_trans_commit.c:93 [inline] bch2_trans_lock_write+0x685/0x920 fs/bcachefs/btree_trans_commit.c:129 do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:862 [inline] __bch2_trans_commit+0x1b51/0x7640 fs/bcachefs/btree_trans_commit.c:1066 bch2_trans_commit fs/bcachefs/btree_update.h:183 [inline] check_dirent fs/bcachefs/fsck.c:2347 [inline] bch2_check_dirents+0xc9e/0x1190 fs/bcachefs/fsck.c:2375 bch2_run_recovery_pass+0x7a/0x160 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ce/0x6f0 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0x2fd4/0x37c0 fs/bcachefs/recovery.c:974 bch2_fs_start+0x2ae/0x530 fs/bcachefs/super.c:1032 bch2_fs_get_tree+0xd03/0x1700 fs/bcachefs/fs.c:2200 vfs_get_tree+0x88/0x240 fs/super.c:1814 do_new_mount fs/namespace.c:3507 [inline] path_mount+0x8ea/0x1a70 fs/namespace.c:3834 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount fs/namespace.c:4034 [inline] __x64_sys_mount+0x209/0x280 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x6d/0x1a0 arch/x86/entry/common.c:83 Memory state around the buggy address: ffff888157cc2f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888157cc2f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888157cc3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888157cc3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888157cc3100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== done bcachefs (loop7): resume_logged_ops... done bcachefs (loop7): delete_dead_inodes... done bcachefs (loop7): Second fsck run was not clean bcachefs (loop7): going read-only bcachefs (loop7): finished waiting for writes to stop bcachefs (loop7): flushing journal and stopping allocators, journal seq 33 bcachefs (loop7): flushing journal and stopping allocators complete, journal seq 33 bcachefs (loop7): clean shutdown complete, journal seq 34 bcachefs (loop7): marking filesystem clean bcachefs (loop7): done starting filesystem syz.7.20 (5375) used greatest stack depth: 16408 bytes left