ci starts bisection 2023-10-27 05:21:17.768173321 +0000 UTC m=+18632.478597818 bisecting fixing commit since 0136d86b78522bbd5755f8194c97a987f0586ba5 building syzkaller on be607b78d7dea8ef5a0267ae7396fded7dc016d5 ensuring issue is reproducible on original commit 0136d86b78522bbd5755f8194c97a987f0586ba5 testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ed4ddf67ac6bca4a19cddb793f03d2734b5a1977bda7bb6878dc56aa5d535cd all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d144e7fd37fd71830b8fcecdaf95511be60bbb1636d09432e5bc2b4501b90ba3 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3938 full=7552 leaves diff=1988 split chunks (needed=false): <1988> split chunk #0 of len 1988 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6640b593db3968496ea2b7d18f20a209645bde1f569bd488886a5e6a2d4724f all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a278aee33b3f8e06823510cf9d544bc94202e2cd3c5d443c72b36c5ecc5f09d all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ef52f346189fc91107dac1ce3780bda334fa66ebac57d1defa0a08ab7957088 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dfe054b557fd1b66e452f879af950bdf2a0c669c94beae779cc31eee9df0463b all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0136d86b78522bbd5755f8194c97a987f0586ba5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10098dc78fb12381679a1214b644cdb1c3475e749c598b5a56e409c80ba72efd all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped minimized to 398 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_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_WANT_HUGETLB_PAGE_OPTIMIZE_VMEMMAP ASM_MODVERSIONS 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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 AUTOFS4_FS 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_FD BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 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_MQ_RDMA BLK_WBT BLK_WBT_MQ BLOCK_COMPAT 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_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_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB 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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MSFTEXT BT_MTK 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_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_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE 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_BQ24190 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 CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES 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_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF 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_CFB CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL 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_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_OFB CRYPTO_PCBC CRYPTO_PCRYPT 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_SM2 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_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCB DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HELPER ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 3a568e3a961ba330091cd031647e4c303fa0badb testing commit 3a568e3a961ba330091cd031647e4c303fa0badb gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b6b4f8ce0afdc8aed978b7d59fa721a40322956b35dae51dc88a44fcc008544 all runs: OK false negative chance: 0.000 # git bisect start 3a568e3a961ba330091cd031647e4c303fa0badb 0136d86b78522bbd5755f8194c97a987f0586ba5 Bisecting: 30985 revisions left to test after this (roughly 15 steps) [7e530d32a3655f15f1cf92e8aabed1bc3a21ee36] Merge 6.4-rc4 into usb-next determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9856b3572d7e97591277f3c39fd66078238d8b96a6ec987325dd5f8a672c7f5d all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 Bisecting: 15493 revisions left to test after this (roughly 14 steps) [ce03e1807c1f71abcba185e6052cbef250600514] Merge tag 'sound-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit ce03e1807c1f71abcba185e6052cbef250600514 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cba2ff1d2ebc92af7252efd063f41124470231b3735576346bd158257f0f05f0 all runs: OK false negative chance: 0.000 # git bisect bad ce03e1807c1f71abcba185e6052cbef250600514 Bisecting: 7220 revisions left to test after this (roughly 13 steps) [1b722407a13b7f8658d2e26917791f32805980a2] Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 1b722407a13b7f8658d2e26917791f32805980a2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 649256875e9b718b9467d751bb9ffdd0b0309cf50bafa802a3d0265310706524 all runs: OK false negative chance: 0.000 # git bisect bad 1b722407a13b7f8658d2e26917791f32805980a2 Bisecting: 4573 revisions left to test after this (roughly 12 steps) [6a8cbd9253abc1bd0df4d60c4c24fa555190376d] Merge tag 'v6.5-rc1-sysctl-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 6a8cbd9253abc1bd0df4d60c4c24fa555190376d gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4512f58f4afaf3251b1601fec70cde2b3e7184579b3d88dfe7f1e33e0e6ca48e all runs: OK false negative chance: 0.000 # git bisect bad 6a8cbd9253abc1bd0df4d60c4c24fa555190376d Bisecting: 1793 revisions left to test after this (roughly 11 steps) [a0433f8cae3ac51f59b4b1863032822aaa2d8164] Merge tag 'for-6.5/block-2023-06-23' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit a0433f8cae3ac51f59b4b1863032822aaa2d8164 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3d91abb41a1618859fea9f17e366d21db6a0257d4545cb1f26a76febdc09fd2 all runs: OK false negative chance: 0.000 # git bisect bad a0433f8cae3ac51f59b4b1863032822aaa2d8164 Bisecting: 949 revisions left to test after this (roughly 10 steps) [670062e7e4199b13980cd1d46796beb05c4a8699] Merge tag 'usb-6.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 670062e7e4199b13980cd1d46796beb05c4a8699 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4fff97f3fa6f62fd5327f489f97469776ed8d67bcb738cd7aa4e0922a0451cfc all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 670062e7e4199b13980cd1d46796beb05c4a8699 Bisecting: 536 revisions left to test after this (roughly 9 steps) [e940efa936be65866db9ce20798b13fdc6b3891a] Merge tag 'zonefs-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs determine whether the revision contains the guilty commit revision 670062e7e4199b13980cd1d46796beb05c4a8699 crashed and is reachable testing commit e940efa936be65866db9ce20798b13fdc6b3891a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7312d58b88d63864bb1045e9a0af45f783acbfd598caa6352a3acf1602f85064 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good e940efa936be65866db9ce20798b13fdc6b3891a Bisecting: 269 revisions left to test after this (roughly 8 steps) [0aa69d53ac7c30f6184f88f2e310d808b32b35a5] Merge tag 'for-6.5/io_uring-2023-06-23' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 670062e7e4199b13980cd1d46796beb05c4a8699 crashed and is reachable testing commit 0aa69d53ac7c30f6184f88f2e310d808b32b35a5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d09b0389d56893d4c6dee2ed1134e39f78cea9fc29cef87d9edd69650a16188b all runs: OK false negative chance: 0.000 # git bisect bad 0aa69d53ac7c30f6184f88f2e310d808b32b35a5 Bisecting: 133 revisions left to test after this (roughly 7 steps) [57201dddd6f820de9ff94472da9b9cda88973c8f] btrfs: don't check PageError in btrfs_verify_page determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 57201dddd6f820de9ff94472da9b9cda88973c8f gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb1f7c00cb12c80f83dd64a110435abf7cb6e9d1afe4bba7d90d869e89b85a16 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 57201dddd6f820de9ff94472da9b9cda88973c8f Bisecting: 71 revisions left to test after this (roughly 6 steps) [cc423f6337d0a5ff1906f3b3d465d28c0d1705f6] Merge tag 'for-6.5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit cc423f6337d0a5ff1906f3b3d465d28c0d1705f6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 145d194a51d7975799f3dad4e8ccea932468c9bb60f4a37b84f41cc1250fdb09 all runs: OK false negative chance: 0.000 # git bisect bad cc423f6337d0a5ff1906f3b3d465d28c0d1705f6 Bisecting: 30 revisions left to test after this (roughly 5 steps) [7e27180994383b7c741ad87749db01e4989a02ba] btrfs: reinsert BGs failed to reclaim determine whether the revision contains the guilty commit revision 57201dddd6f820de9ff94472da9b9cda88973c8f crashed and is reachable testing commit 7e27180994383b7c741ad87749db01e4989a02ba gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18104cb98bab26d8faf2e14a920402d281e7d19efedb725de6ab43f4cb098f70 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 7e27180994383b7c741ad87749db01e4989a02ba Bisecting: 15 revisions left to test after this (roughly 4 steps) [751a27615ddaaf95519565d83bac65b8aafab9e8] btrfs: do not BUG_ON() on tree mod log failures at btrfs_del_ptr() determine whether the revision contains the guilty commit revision 670062e7e4199b13980cd1d46796beb05c4a8699 crashed and is reachable testing commit 751a27615ddaaf95519565d83bac65b8aafab9e8 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fdc67cf788866178df11074cbb3443fdefd882680fd8ec293801b27fd0e1692e all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 751a27615ddaaf95519565d83bac65b8aafab9e8 Bisecting: 7 revisions left to test after this (roughly 3 steps) [160fe8f6fdb13da6111677be6263e5d65e875987] btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit 160fe8f6fdb13da6111677be6263e5d65e875987 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f14efd9344442eb082e17acecc574ad242a4004e28ca6f26b9299338e22c813 all runs: OK false negative chance: 0.000 # git bisect bad 160fe8f6fdb13da6111677be6263e5d65e875987 Bisecting: 3 revisions left to test after this (roughly 2 steps) [df9f278239046719c91aeb59ec0afb1a99ee8b2b] btrfs: do not BUG_ON on failure to get dir index for new snapshot determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit df9f278239046719c91aeb59ec0afb1a99ee8b2b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c3202ebce6efb6730942a1be9f3ea8e66dca0b0d00e23e0dd8bb835079f0fd49 all runs: OK false negative chance: 0.000 # git bisect bad df9f278239046719c91aeb59ec0afb1a99ee8b2b Bisecting: 1 revision left to test after this (roughly 1 step) [fc4026e26b3383b896af5c0923ada8ae7064ca07] btrfs: do not BUG_ON() when dropping inode items from log root determine whether the revision contains the guilty commit revision 0136d86b78522bbd5755f8194c97a987f0586ba5 crashed and is reachable testing commit fc4026e26b3383b896af5c0923ada8ae7064ca07 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 03a458ee88d800f4a9077299f1b2dcc64ba7904fe272c7b82957829b40baa968 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good fc4026e26b3383b896af5c0923ada8ae7064ca07 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b] btrfs: send: do not BUG_ON() on unexpected symlink data extent determine whether the revision contains the guilty commit revision fc4026e26b3383b896af5c0923ada8ae7064ca07 crashed and is reachable testing commit 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9fea2b6f1804677865950d384c8a756ea6726f1f64e5b364ead6dab43a57b915 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b df9f278239046719c91aeb59ec0afb1a99ee8b2b is the first bad commit commit df9f278239046719c91aeb59ec0afb1a99ee8b2b Author: Filipe Manana Date: Tue Jun 13 16:42:16 2023 +0100 btrfs: do not BUG_ON on failure to get dir index for new snapshot During the transaction commit path, at create_pending_snapshot(), there is no need to BUG_ON() in case we fail to get a dir index for the snapshot in the parent directory. This should fail very rarely because the parent inode should be loaded in memory already, with the respective delayed inode created and the parent inode's index_cnt field already initialized. However if it fails, it may be -ENOMEM like the comment at create_pending_snapshot() says or any error returned by btrfs_search_slot() through btrfs_set_inode_index_count(), which can be pretty much anything such as -EIO or -EUCLEAN for example. So the comment is not correct when it says it can only be -ENOMEM. However doing a BUG_ON() here is overkill, since we can instead abort the transaction and return the error. Note that any error returned by create_pending_snapshot() will eventually result in a transaction abort at cleanup_transaction(), called from btrfs_commit_transaction(), but we can explicitly abort the transaction at this point instead so that we get a stack trace to tell us that the call to btrfs_set_inode_index() failed. So just abort the transaction and return in case btrfs_set_inode_index() returned an error at create_pending_snapshot(). Reviewed-by: Johannes Thumshirn Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba fs/btrfs/transaction.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: c3202ebce6efb6730942a1be9f3ea8e66dca0b0d00e23e0dd8bb835079f0fd49 parent signature: 9fea2b6f1804677865950d384c8a756ea6726f1f64e5b364ead6dab43a57b915 revisions tested: 24, total time: 5h49m33.699060444s (build: 2h39m30.620294766s, test: 2h54m48.19887843s) first good commit: df9f278239046719c91aeb59ec0afb1a99ee8b2b btrfs: do not BUG_ON on failure to get dir index for new snapshot recipients (to): ["dsterba@suse.com" "fdmanana@suse.com" "johannes.thumshirn@wdc.com"] recipients (cc): []