ci2 starts bisection 2025-11-11 03:21:13.615822946 +0000 UTC m=+384163.231286716 bisecting fixing commit since b6394d6f715919c053c1450ef0d7c5e517b53764 building syzkaller on 1014eca7bf35e59d7e3c9b4fea0fbd2701ff0061 ensuring issue is reproducible on original commit b6394d6f715919c053c1450ef0d7c5e517b53764 testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: db6f97683b4e610ce0aee3f93b48ad704a5cfb51ecde321397e1fe6576b511fd all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 86708d0f89b7198d545afe93889b7254855b1026bf51a070567622dfd261323b all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed kconfig minimization: base=4109 full=8033 leaves diff=2059 split chunks (needed=false): <2059> split chunk #0 of len 2059 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: af01885853afffa00c14a0164a1d9d3b8f69bfe00b8e12b6e108f71da464c125 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 30165e12558fa46636a61f908115e6903ef6b3e91d5ad8d421971b0a14fc130e all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bbca0ddcbe722cefde8cc5893321a15b496d57c8ab82a4a1121d6aeb95de59b4 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7fe87ed208ab3c4003895ad2f2f8f38c983014bef6ca316c44389294555007e6 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit b6394d6f715919c053c1450ef0d7c5e517b53764 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3bea10f080b16fffdbb5652bcfff01ec75db392af30aba93bd090bd8ba3a2833 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] the chunk can be dropped minimized to 412 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 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_HAS_PTE_DEVMAP ARCH_SUPPORTS_CFI_CLANG ARCH_USES_PG_UNCACHED ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_AVX512 AS_GFNI AS_SHA1_NI AS_SHA256_NI AS_TPAUSE AS_VAES AS_VPCLMULQDQ 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 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_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_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_PCI BLK_MQ_VIRTIO 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_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_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO 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 CC_CAN_LINK_STATIC CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER CC_HAS_SANE_STACKPROTECTOR 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 CLOCKSOURCE_VALIDATE_LAST_CYCLE CLOSURES 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 CRC32_SLICEBY8 CRC4 CRC64 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_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C 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_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_AESCFB CRYPTO_LIB_ARC4 CRYPTO_LIB_BLAKE2S_GENERIC 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_MANAGER_DISABLE_TESTS CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_NULL CRYPTO_NULL2 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_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_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEBUG_TIMEKEEPING DEFAULT_PFIFO_FAST 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 DMA_OPS DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MCORE2 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing current HEAD 4427259cc7f7571a157fbc9b5011e1ef6fe0a4a8 testing commit 4427259cc7f7571a157fbc9b5011e1ef6fe0a4a8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: a4f9da8eea76298eeb4e4b8596019736cef14ba1d800e747f95d79f8171d9636 all runs: OK false negative chance: 0.000 # git bisect start 4427259cc7f7571a157fbc9b5011e1ef6fe0a4a8 b6394d6f715919c053c1450ef0d7c5e517b53764 Bisecting: 60132 revisions left to test after this (roughly 16 steps) [2525e16a2bae322641fd745412f3524d4455d8df] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 2525e16a2bae322641fd745412f3524d4455d8df gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 254f4de7f1abe9cfbbe733b3fc0a6b47a89154921c08e23d4fdc1b70a9b43580 all runs: OK false negative chance: 0.000 # git bisect bad 2525e16a2bae322641fd745412f3524d4455d8df Bisecting: 30044 revisions left to test after this (roughly 15 steps) [b707512b8b07396f8982103a84285a165a1bd94c] Merge tag 'staging-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit b707512b8b07396f8982103a84285a165a1bd94c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 866a07c8dd2522853ea348b0c87a46d113d8b54a8f936ce98314ed0c8e0c6eec all runs: OK false negative chance: 0.000 # git bisect bad b707512b8b07396f8982103a84285a165a1bd94c Bisecting: 15028 revisions left to test after this (roughly 14 steps) [2c9b3512402ed192d1f43f4531fb5da947e72bd0] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 2c9b3512402ed192d1f43f4531fb5da947e72bd0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1b57014d00a4bc902e0e8954bcfd9a04e9b812585fccf966ce949f451b051c2f all runs: OK false negative chance: 0.000 # git bisect bad 2c9b3512402ed192d1f43f4531fb5da947e72bd0 Bisecting: 6712 revisions left to test after this (roughly 13 steps) [51835949dda3783d4639cfa74ce13a3c9829de00] Merge tag 'net-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 51835949dda3783d4639cfa74ce13a3c9829de00 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7430e0039dc330a057aad1eee1adb2b951e98d05ef17be27c4644b66666576d8 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good 51835949dda3783d4639cfa74ce13a3c9829de00 Bisecting: 3139 revisions left to test after this (roughly 12 steps) [b3ce7a30847a54a7f96a35e609303d8afecd460b] Merge tag 'drm-next-2024-07-18' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit b3ce7a30847a54a7f96a35e609303d8afecd460b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ad51eabc56c36ff887553fdbf646f9d54288a87de10dc726190895971f63576a all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good b3ce7a30847a54a7f96a35e609303d8afecd460b Bisecting: 1509 revisions left to test after this (roughly 11 steps) [12cc3d5389f313f07222b000fefa2cd8fc98c4f8] Merge tag 'sound-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 12cc3d5389f313f07222b000fefa2cd8fc98c4f8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3f47976982441650b76b7d7032f51e36b4e1a7b20334af6c040d50f22b0fbc03 all runs: OK false negative chance: 0.000 # git bisect bad 12cc3d5389f313f07222b000fefa2cd8fc98c4f8 Bisecting: 817 revisions left to test after this (roughly 10 steps) [3d51520954154a476bfdacf9427acd1d9538734c] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma determine whether the revision contains the guilty commit revision b3ce7a30847a54a7f96a35e609303d8afecd460b crashed and is reachable testing commit 3d51520954154a476bfdacf9427acd1d9538734c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1bb12e5f2dd58320d789bf8bec3ac5522456dbbfcd0495d5d567c2e3e32269f9 all runs: OK false negative chance: 0.000 # git bisect bad 3d51520954154a476bfdacf9427acd1d9538734c Bisecting: 406 revisions left to test after this (roughly 9 steps) [dddebdece62ead1ac1112e6df375f56a1cb45f84] Merge tag 'vfs-6.11-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 51835949dda3783d4639cfa74ce13a3c9829de00 crashed and is reachable testing commit dddebdece62ead1ac1112e6df375f56a1cb45f84 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c877d3f3af3b987416ee139ed60edf4c86815634bdc8ccc71ca11e8058c670d6 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good dddebdece62ead1ac1112e6df375f56a1cb45f84 Bisecting: 180 revisions left to test after this (roughly 8 steps) [720261cfc7329406a50c2a8536e0039b9dd9a4e5] Merge tag 'bcachefs-2024-07-18.2' of https://evilpiepirate.org/git/bcachefs determine whether the revision contains the guilty commit revision 51835949dda3783d4639cfa74ce13a3c9829de00 crashed and is reachable testing commit 720261cfc7329406a50c2a8536e0039b9dd9a4e5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 524ee5dcad571e5334b9f9274f815e790d2045afdda6b52df0dd610aa8d00e6c all runs: OK false negative chance: 0.000 # git bisect bad 720261cfc7329406a50c2a8536e0039b9dd9a4e5 Bisecting: 112 revisions left to test after this (roughly 7 steps) [efb2018e4d238cc205690ac62c0917d60d291e66] bcachefs: Kill bch2_assert_btree_nodes_not_locked() determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit efb2018e4d238cc205690ac62c0917d60d291e66 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 17d9d3a1e7dbeee76f5ab5bdd7fc085b9bd190c10e858d3a21a65950a1473734 all runs: OK false negative chance: 0.000 # git bisect bad efb2018e4d238cc205690ac62c0917d60d291e66 Bisecting: 56 revisions left to test after this (roughly 6 steps) [9ab55df5991eb967f6b94f8e1b855ffacdc50668] bcachefs: Walk leaf to root in btree_gc determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 9ab55df5991eb967f6b94f8e1b855ffacdc50668 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9b0f0f2df96863a2c58aba07462bdb7c7b7606f3cc9d587f1dcbe20d59962eea all runs: OK false negative chance: 0.000 # git bisect bad 9ab55df5991eb967f6b94f8e1b855ffacdc50668 Bisecting: 27 revisions left to test after this (roughly 5 steps) [2744e5c9eb1a1090b5f61c955e934c70bfe6b04c] bcachefs: KEY_TYPE_accounting determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 01cda9bfa9d349adaa7fb35e948a79c73cc06e556244d34a869ac452d09a7635 all runs: OK false negative chance: 0.000 # git bisect bad 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c Bisecting: 13 revisions left to test after this (roughly 4 steps) [68573b936d3fceda9cd5cce3a577e035d19ad426] bcachefs: Use try_cmpxchg() family of functions instead of cmpxchg() determine whether the revision contains the guilty commit revision b6394d6f715919c053c1450ef0d7c5e517b53764 crashed and is reachable testing commit 68573b936d3fceda9cd5cce3a577e035d19ad426 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1687fcd1c5f2b99ca0b0e482485845103e77a1a90069665327d678a96e7c3526 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good 68573b936d3fceda9cd5cce3a577e035d19ad426 Bisecting: 6 revisions left to test after this (roughly 3 steps) [c13d526d9dc1aa0c4962b017c881c28c1e23ca26] bcachefs: check_key_has_inode() determine whether the revision contains the guilty commit revision 68573b936d3fceda9cd5cce3a577e035d19ad426 crashed and is reachable testing commit c13d526d9dc1aa0c4962b017c881c28c1e23ca26 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: dd549403c4c1ce1d1aaf517e79bbb8960863962df5f10f51b4149c74123ba20f all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good c13d526d9dc1aa0c4962b017c881c28c1e23ca26 Bisecting: 3 revisions left to test after this (roughly 2 steps) [7773df19c35fabdcc8c36176a480a1b19ad32866] bcachefs: metadata version bucket_stripe_sectors determine whether the revision contains the guilty commit revision 68573b936d3fceda9cd5cce3a577e035d19ad426 crashed and is reachable testing commit 7773df19c35fabdcc8c36176a480a1b19ad32866 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5b5fb6d561999cb6f9713f682a377ac184f7c2ee84598d9644b7a386ab509ead all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good 7773df19c35fabdcc8c36176a480a1b19ad32866 Bisecting: 1 revision left to test after this (roughly 1 step) [1c12d1caf8d627d8b791f4dc25af2522dac7cd10] bcachefs: Add error code to defer option parsing determine whether the revision contains the guilty commit revision 7773df19c35fabdcc8c36176a480a1b19ad32866 crashed and is reachable testing commit 1c12d1caf8d627d8b791f4dc25af2522dac7cd10 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4ef9380428efeb00607cf9eb3bb12597a469abf03314bed9bdc4d984ef6ffcb9 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good 1c12d1caf8d627d8b791f4dc25af2522dac7cd10 Bisecting: 0 revisions left to test after this (roughly 0 steps) [929d954330142a6273697b2cbf855f0f904a12f5] bcachefs: use new mount API determine whether the revision contains the guilty commit revision c13d526d9dc1aa0c4962b017c881c28c1e23ca26 crashed and is reachable testing commit 929d954330142a6273697b2cbf855f0f904a12f5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 01787e0d0d65240ea6c649c9d57dff7885c5e7857c7a3993dec4c7ed71f00202 all runs: crashed: WARNING in __bch2_truncate_folio representative crash: WARNING in __bch2_truncate_folio, types: [WARNING] # git bisect good 929d954330142a6273697b2cbf855f0f904a12f5 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c is the first bad commit commit 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c Author: Kent Overstreet Date: Wed Dec 27 18:31:46 2023 -0500 bcachefs: KEY_TYPE_accounting New key type for the disk space accounting rewrite. - Holds a variable sized array of u64s (may be more than one for accounting e.g. compressed and uncompressed size, or buckets and sectors for a given data type) - Updates are deltas, not new versions of the key: this means updates to accounting can happen via the btree write buffer, which we'll be teaching to accumulate deltas. Signed-off-by: Kent Overstreet fs/bcachefs/Makefile | 3 +- fs/bcachefs/bcachefs_format.h | 56 +++----------- fs/bcachefs/bkey_methods.c | 1 + fs/bcachefs/disk_accounting.c | 70 +++++++++++++++++ fs/bcachefs/disk_accounting.h | 52 +++++++++++++ fs/bcachefs/disk_accounting_format.h | 144 +++++++++++++++++++++++++++++++++++ fs/bcachefs/recovery.c | 1 + fs/bcachefs/sb-downgrade.c | 25 +++++- 8 files changed, 303 insertions(+), 49 deletions(-) create mode 100644 fs/bcachefs/disk_accounting.c create mode 100644 fs/bcachefs/disk_accounting.h create mode 100644 fs/bcachefs/disk_accounting_format.h accumulated error probability: 0.00 culprit signature: 01cda9bfa9d349adaa7fb35e948a79c73cc06e556244d34a869ac452d09a7635 parent signature: 01787e0d0d65240ea6c649c9d57dff7885c5e7857c7a3993dec4c7ed71f00202 revisions tested: 25, total time: 6h9m16.024042142s (build: 2h31m6.040057956s, test: 3h13m11.934784574s) first good commit: 2744e5c9eb1a1090b5f61c955e934c70bfe6b04c bcachefs: KEY_TYPE_accounting recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): []