ci2 starts bisection 2023-11-08 21:20:27.216445719 +0000 UTC m=+28569.869894354 bisecting cause commit starting from 305230142ae0637213bf6e04f6d9f10bbcb74af8 building syzkaller on b93f63e825d47146b275caaa682bacf86b6d7434 ensuring issue is reproducible on original commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f32abab231862888a3a7859ca7da0e467359aa2e28532b3000c47b1d3986b4ca all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c2501683451155f8ce4e675e89117f46d4a9e86912cd0de38a0d3baf1f469d26 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3930 full=7656 leaves diff=1997 split chunks (needed=false): <1997> split chunk #0 of len 1997 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: daeae3d68ba564dff7409fc2b1ee5834243b02c059bc90257c0a915505839d00 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18d621602905c0cad1518df02243eac8a0d924eafa971ecf5a9ab984b60cc368 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 94a69faef17cee127393c839e05fcdc69173d62bcbac0e89cb30fc84814bd7b3 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b15a259a0607e4dc0cedeec35dc6e056f81b31110c2b39a5fba59de4019437e all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 305230142ae0637213bf6e04f6d9f10bbcb74af8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6518ef5b51d8f12a3acc99773c0a3702b00394191e20cd4a464e2f22e02499a7 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] the chunk can be dropped minimized to 400 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 ADDRESS_MASKING 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_PMD_MKWRITE 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 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_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB 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_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_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_RX_OFFLOAD 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 DCA DCB 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 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_DP_AUX_BUS 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 471a40875806c5701d808cc4fe083304ec5d50bf005a634e9cfc93c942ab2c9c all runs: OK false negative chance: 0.000 # git bisect start 305230142ae0637213bf6e04f6d9f10bbcb74af8 ffc253263a1375a65fa6c9f62a893e9767fbebfa Bisecting: 8540 revisions left to test after this (roughly 13 steps) [8bc9e6515183935fa0cccaf67455c439afe4982b] Merge tag 'devicetree-for-6.7' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit 8bc9e6515183935fa0cccaf67455c439afe4982b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50832bf78e5a494d9b5347243bb71bb3327e9d59f4adf3bbec641f68b43654e5 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 8bc9e6515183935fa0cccaf67455c439afe4982b Bisecting: 3443 revisions left to test after this (roughly 12 steps) [3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012] Merge tag 'locking-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55465106de0196ebeca8959564cbb883f3a9338c42bacf226f8b1631a256a080 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 3cf3fabccb9dc821ffaec3ad6bf0cd6b278bd012 Bisecting: 1690 revisions left to test after this (roughly 11 steps) [fbec3b8800ac8244ce751d0ba5b83d94ee48fc76] bcachefs: Kill JOURNAL_NEED_WRITE testing commit fbec3b8800ac8244ce751d0ba5b83d94ee48fc76 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 619c6ddf8ef17105dde2e98d78ec4c5ef31b858e451ef768770c150438a6ab74 all runs: OK false negative chance: 0.000 # git bisect good fbec3b8800ac8244ce751d0ba5b83d94ee48fc76 Bisecting: 845 revisions left to test after this (roughly 10 steps) [75da97640a75878cd197f6dd9c50b46cac6cb9a8] bcachefs: fsck needs BTREE_UPDATE_INTERNAL_SNAPSHOT_NODE testing commit 75da97640a75878cd197f6dd9c50b46cac6cb9a8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d63b5f4fce5cceba85761f8a290ed32194acff8bc0af980bd91fd957fa34e8a1 all runs: OK false negative chance: 0.000 # git bisect good 75da97640a75878cd197f6dd9c50b46cac6cb9a8 Bisecting: 345 revisions left to test after this (roughly 9 steps) [d5acbc60fafbe0fc94c552ce916dd592cd4c6371] Merge tag 'for-6.7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit d5acbc60fafbe0fc94c552ce916dd592cd4c6371 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 32094f057a8d58b7a805c1ebdfa15b3f0d0f6d3be564e9162732984eb52a0f3d all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad d5acbc60fafbe0fc94c552ce916dd592cd4c6371 Bisecting: 292 revisions left to test after this (roughly 8 steps) [14ab6d425e80674b6a0145f05719b11e82e64824] Merge tag 'vfs-6.7.ctime' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs testing commit 14ab6d425e80674b6a0145f05719b11e82e64824 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 262972e941daa1b70fa9c8b08f2fca7b5681ff81506d8359af13f31d7d766352 all runs: OK false negative chance: 0.000 # git bisect good 14ab6d425e80674b6a0145f05719b11e82e64824 Bisecting: 146 revisions left to test after this (roughly 7 steps) [0124855ff18b9bdfe6aec87f7b29d3fdc6f575db] btrfs: add and use helpers for reading and writing last_trans_committed testing commit 0124855ff18b9bdfe6aec87f7b29d3fdc6f575db gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 304e371bac07658a74a2613088b141eb797aeb8cad7f9c4b46097ed072fd05d8 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 0124855ff18b9bdfe6aec87f7b29d3fdc6f575db Bisecting: 72 revisions left to test after this (roughly 6 steps) [ca41504efda646d9c4b00c37be52f5ba07cebebf] btrfs: delete stripe extent on extent deletion testing commit ca41504efda646d9c4b00c37be52f5ba07cebebf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 61db797cccab1dcf8b79f16620adb05a71fffb1cf3330b606a7a08eaf0c90764 all runs: OK false negative chance: 0.000 # git bisect good ca41504efda646d9c4b00c37be52f5ba07cebebf Bisecting: 36 revisions left to test after this (roughly 5 steps) [1723270f0c29cc27dbe9e554a3f35abd2e4eb945] btrfs: move btrfs_defrag_root() to defrag.{c,h} testing commit 1723270f0c29cc27dbe9e554a3f35abd2e4eb945 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b36a23add1de76f785b05d16fef81608db84f31f447520da4f7360f15f8fad0 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 1723270f0c29cc27dbe9e554a3f35abd2e4eb945 Bisecting: 17 revisions left to test after this (roughly 4 steps) [457cb1ddf5e8d895e9c551cad6b84bafae41f32c] btrfs: track owning root in btrfs_ref testing commit 457cb1ddf5e8d895e9c551cad6b84bafae41f32c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79cd7ef9ba6bde4e2af70d31aa4f851d4522c3bae21c38269fc7bcbc41b9e1ef all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 457cb1ddf5e8d895e9c551cad6b84bafae41f32c Bisecting: 8 revisions left to test after this (roughly 3 steps) [078b8b90b8ffec54f7dc1e8ef6c1078d1e7d3dae] btrfs: merge ordered work callbacks in btrfs_work into one testing commit 078b8b90b8ffec54f7dc1e8ef6c1078d1e7d3dae gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 647ff5550435f103113eea64e41d2ce562aa36c598fb599f7aae804c920e241b all runs: OK false negative chance: 0.000 # git bisect good 078b8b90b8ffec54f7dc1e8ef6c1078d1e7d3dae Bisecting: 4 revisions left to test after this (roughly 2 steps) [a744986ac4dbe42496410780800fbbc00afaa910] btrfs: sysfs: add simple_quota incompat feature entry testing commit a744986ac4dbe42496410780800fbbc00afaa910 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 98ca885cfa3117cbca73d6fbb887b24af1639f89fa487c132af4b30b6ffd34ad all runs: OK false negative chance: 0.000 # git bisect good a744986ac4dbe42496410780800fbbc00afaa910 Bisecting: 2 revisions left to test after this (roughly 1 step) [6ed05643ddb166c0fddabac8ee092659006214a9] btrfs: create qgroup earlier in snapshot creation testing commit 6ed05643ddb166c0fddabac8ee092659006214a9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b129f7813016d8a7b1917f4cf848a2692a9bcd4eaafd46deb415bcdcbcbac0a0 all runs: crashed: WARNING in create_pending_snapshot representative crash: WARNING in create_pending_snapshot, types: [WARNING] # git bisect bad 6ed05643ddb166c0fddabac8ee092659006214a9 Bisecting: 0 revisions left to test after this (roughly 0 steps) [af0e2aab3b70b7844232bbce2a619ec70e049df4] btrfs: qgroup: flush reservations during quota disable testing commit af0e2aab3b70b7844232bbce2a619ec70e049df4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bdb5307cf7f962f267c60a4a45ab2b8da5662bbe7e96521e2cabf93628c5cfe7 all runs: OK false negative chance: 0.000 # git bisect good af0e2aab3b70b7844232bbce2a619ec70e049df4 6ed05643ddb166c0fddabac8ee092659006214a9 is the first bad commit commit 6ed05643ddb166c0fddabac8ee092659006214a9 Author: Boris Burkov Date: Wed Jun 28 11:00:05 2023 -0700 btrfs: create qgroup earlier in snapshot creation Pull creating the qgroup earlier in the snapshot. This allows simple quotas qgroups to see all the metadata writes related to the snapshot being created and to be born with the root node accounted. Note this has an impact on transaction commit where the qgroup creation can do a lot of work, allocate memory and take locks. The change is done for correctness, potential performance issues will be fixed in the future. Signed-off-by: Boris Burkov [ add note ] Signed-off-by: David Sterba fs/btrfs/qgroup.c | 3 +++ fs/btrfs/transaction.c | 6 ++++++ 2 files changed, 9 insertions(+) accumulated error probability: 0.00 culprit signature: b129f7813016d8a7b1917f4cf848a2692a9bcd4eaafd46deb415bcdcbcbac0a0 parent signature: bdb5307cf7f962f267c60a4a45ab2b8da5662bbe7e96521e2cabf93628c5cfe7 revisions tested: 22, total time: 4h15m41.181627716s (build: 1h51m38.280991293s, test: 2h13m24.13619851s) first bad commit: 6ed05643ddb166c0fddabac8ee092659006214a9 btrfs: create qgroup earlier in snapshot creation recipients (to): ["boris@bur.io" "dsterba@suse.com"] recipients (cc): [] crash: WARNING in create_pending_snapshot BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop0): checking UUID tree ------------[ cut here ]------------ BTRFS: Transaction aborted (error -17) WARNING: CPU: 0 PID: 2328 at fs/btrfs/transaction.c:1817 create_pending_snapshot+0xe34/0x1000 fs/btrfs/transaction.c:1817 Modules linked in: CPU: 0 PID: 2328 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:create_pending_snapshot+0xe34/0x1000 fs/btrfs/transaction.c:1817 Code: e9 c6 f9 ff ff 48 c7 c7 63 b1 fd 82 44 89 f6 e8 82 43 9f ff 0f 0b e9 6c f5 ff ff 48 c7 c7 63 b1 fd 82 44 89 f6 e8 6c 43 9f ff <0f> 0b e9 fd f9 ff ff 48 c7 c7 63 b1 fd 82 44 89 f6 e8 56 43 9f ff RSP: 0018:ffffc900028dfb48 EFLAGS: 00010246 RAX: 7ee0a7288c2ea800 RBX: ffff888103aeb000 RCX: 0000000000000002 RDX: 0000000000000000 RSI: c0000000ffffdfff RDI: 00000000ffffffff RBP: ffff88817a402060 R08: 0000000000000000 R09: ffffffff834cae40 R10: 00000000ffffffff R11: 00000000ffffdfff R12: 0000000000000000 R13: ffff8881097b2600 R14: 00000000ffffffef R15: ffff888107b34000 FS: 00007f2b744106c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b7370662e CR3: 0000000109754000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: create_pending_snapshots+0x4b/0x90 fs/btrfs/transaction.c:2001 btrfs_commit_transaction+0x699/0x1320 fs/btrfs/transaction.c:2474 create_snapshot+0x193/0x260 fs/btrfs/ioctl.c:845 btrfs_mksubvol+0x1c9/0x240 fs/btrfs/ioctl.c:995 btrfs_mksnapshot+0x7f/0xb0 fs/btrfs/ioctl.c:1041 __btrfs_ioctl_snap_create+0x146/0x190 fs/btrfs/ioctl.c:1294 btrfs_ioctl_snap_create+0x72/0x90 fs/btrfs/ioctl.c:1321 btrfs_ioctl+0x7ab/0x810 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:871 [inline] __se_sys_ioctl+0x6d/0xb0 fs/ioctl.c:857 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2b7367cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2b744100c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2b7379bf80 RCX: 00007f2b7367cae9 RDX: 0000000020000a80 RSI: 0000000050009401 RDI: 0000000000000004 RBP: 00007f2b736c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f2b7379bf80 R15: 00007ffdfe7196d8