ci2 starts bisection 2025-02-15 06:46:36.600199249 +0000 UTC m=+3179.584380829 bisecting cause commit starting from 128c8f96eb8638c060cd3532dc394d046ce64fe1 building syzkaller on 1022af749615bfc4e3a305b891449d95d5fc050a ensuring issue is reproducible on original commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 34ddd1565147b43ea23f5ba6ec3132aa2d608773064cf36e4aa15df904d8fb4f all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3436961b0fd768fa60a57c7498fb053329cdd52c12684fb106f572ad9cc4e5d8 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4054 full=8256 leaves diff=2116 split chunks (needed=false): <2116> split chunk #0 of len 2116 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28c63fdcfd50efd033b5f710eb1b062122d59a96060acc248c93707e53921687 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 140c4de2066c88d5ff11e0f148690447978fa121b4157ddf077493b2c847070c all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c399f5629677b5af4f58f9131746bed0f7265215f75db845cc6d18749b925a0 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 308705e749839f0d815c7ae3a490d7b718a067ad999ea72ad960c3663aca800b all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5fee3307724cb372ff7ab799e7994380337e2facf7ee074b392c5cf05ad0b34d all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the chunk can be dropped minimized to 424 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 DRM_GUD 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 [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], 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: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 19130ac5398e51ab8740a142248d9704e13cc82c69829222230401c665607b5c all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 415be1620bdf0229ac00717185ad3195d0833bcd03ccaf7d23ce365030febd7a all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0b3151b4a269d4432a8625d552b189cec1cd6a21db29f57a1284750295795522 all runs: OK false negative chance: 0.000 # git bisect start adc218676eef25575469234709c2d87185ca223a 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 7334 revisions left to test after this (roughly 13 steps) [509d2cd12a10d057fdf72f565b930f9a81140d59] Merge tag 'Smack-for-6.12' of https://github.com/cschaufler/smack-next testing commit 509d2cd12a10d057fdf72f565b930f9a81140d59 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 155f1a229218a55e62bea05f56b29e8cac75e7e89ece86f69ca464a3d327b865 all runs: OK false negative chance: 0.000 # git bisect good 509d2cd12a10d057fdf72f565b930f9a81140d59 Bisecting: 3656 revisions left to test after this (roughly 12 steps) [356a0319456810f3a5618353f6ca3b0ef9965479] Merge tag 'tty-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty testing commit 356a0319456810f3a5618353f6ca3b0ef9965479 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 586b34a2950bd223496eb27ed2e9105ab80bc44b95ac8ef7d76bb232cc0c90af all runs: OK false negative chance: 0.000 # git bisect good 356a0319456810f3a5618353f6ca3b0ef9965479 Bisecting: 1825 revisions left to test after this (roughly 11 steps) [974099e40e924a911000541fea0b59d075a3d1d0] Merge tag 'devicetree-fixes-for-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit 974099e40e924a911000541fea0b59d075a3d1d0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bb0451eb9918909098ef5674f6320c0ac36d7b4d673f3163ec89136aabb28e41 all runs: OK false negative chance: 0.000 # git bisect good 974099e40e924a911000541fea0b59d075a3d1d0 Bisecting: 912 revisions left to test after this (roughly 10 steps) [1d4832becdc2cdb2cffe2a6050c9d9fd8ff1c58c] mm: multi-gen LRU: use {ptep,pmdp}_clear_young_notify() testing commit 1d4832becdc2cdb2cffe2a6050c9d9fd8ff1c58c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 386e81d4d61af65c5bd0789b20a88ecb1cd81419e88e073cb080010206869029 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad 1d4832becdc2cdb2cffe2a6050c9d9fd8ff1c58c Bisecting: 454 revisions left to test after this (roughly 9 steps) [531643fcd98c8d045d72a05cb0aaf49e5a4bdf5c] Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit 531643fcd98c8d045d72a05cb0aaf49e5a4bdf5c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7f84e7e89a39bce610cb9a504cf200bcf032ff7e815217a170271d9f931be36d all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad 531643fcd98c8d045d72a05cb0aaf49e5a4bdf5c Bisecting: 229 revisions left to test after this (roughly 8 steps) [d4b82e5808241239cb3ae2bff5a6c6767ea976cb] Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux testing commit d4b82e5808241239cb3ae2bff5a6c6767ea976cb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fb746df92b326504c53f60e37adda252cb81efb855af0bb11b53a797bad9c115 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad d4b82e5808241239cb3ae2bff5a6c6767ea976cb Bisecting: 121 revisions left to test after this (roughly 7 steps) [667b1d41b25b9b6b19c8af9d673ccb93b451b527] Merge tag 'for-6.12-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 667b1d41b25b9b6b19c8af9d673ccb93b451b527 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 648bb90c1d9ef502dc1ffc321b659ad53900175556cf152007e5a771b35e3de4 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad 667b1d41b25b9b6b19c8af9d673ccb93b451b527 Bisecting: 52 revisions left to test after this (roughly 6 steps) [eca631b8fe808748d7585059c4307005ca5c5820] Merge tag 'f2fs-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs testing commit eca631b8fe808748d7585059c4307005ca5c5820 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fab91ea85b13046122a574e51c349c3178b5b164eb7981671bdb5622b5edd635 all runs: OK false negative chance: 0.000 # git bisect good eca631b8fe808748d7585059c4307005ca5c5820 Bisecting: 26 revisions left to test after this (roughly 5 steps) [cb6055e66faa0d4c15587ef67be18bc199aef085] bcachefs: Handle race between stripe reuse, invalidate_stripe_to_dev testing commit cb6055e66faa0d4c15587ef67be18bc199aef085 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0b33d3d4cb7be5f4feb28f6bffea8a11e6edfd8264f18244075b8e58a5cc59f all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad cb6055e66faa0d4c15587ef67be18bc199aef085 Bisecting: 12 revisions left to test after this (roughly 4 steps) [9205d24cf7714dd2b5fa09a22964dbcdeed6c430] bcachefs: Fix state lock involved deadlock testing commit 9205d24cf7714dd2b5fa09a22964dbcdeed6c430 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 77909f7fec220be4f7fef8ec26fc7cf0126c19cf869608726a030f1545a09890 all runs: OK false negative chance: 0.000 # git bisect good 9205d24cf7714dd2b5fa09a22964dbcdeed6c430 Bisecting: 6 revisions left to test after this (roughly 3 steps) [672f75238e54a642d3ccbcb62d3977383ab50bb0] bcachefs: Fix accounting replay flags testing commit 672f75238e54a642d3ccbcb62d3977383ab50bb0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 592cad253680c498908d82f8007ae7b85c00bf37217179fd1ed38f4341b3ae2e all runs: OK false negative chance: 0.000 # git bisect good 672f75238e54a642d3ccbcb62d3977383ab50bb0 Bisecting: 3 revisions left to test after this (roughly 2 steps) [573ddcdc56077615f8db045cd06b44dd8fc01f4b] bcachefs: fix uaf in bch2_dio_write_done() testing commit 573ddcdc56077615f8db045cd06b44dd8fc01f4b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dcde2f13d942b407e611958b83cdb5aa5246ea3efa3a755388a403ae9819da1c all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad 573ddcdc56077615f8db045cd06b44dd8fc01f4b Bisecting: 0 revisions left to test after this (roughly 1 step) [c986dd7ecba185ad2a36b0815940f34deb2a8170] bcachefs: Improve check_snapshot_exists() testing commit c986dd7ecba185ad2a36b0815940f34deb2a8170 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8529eb8419b2c6413e129d91e6cff1bd4e6725e398b8cc8119359e5c485137c all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect bad c986dd7ecba185ad2a36b0815940f34deb2a8170 Bisecting: 0 revisions left to test after this (roughly 0 steps) [9183c2b11e93f16dfd89a7fa09ec50c0be71f15a] bcachefs: Fix bkey_nocow_lock() testing commit 9183c2b11e93f16dfd89a7fa09ec50c0be71f15a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad919258ccc49b42299451b80c78fcb7a26fbfe1b4ba5bd6af7781a78f8e6d5b all runs: OK false negative chance: 0.000 # git bisect good 9183c2b11e93f16dfd89a7fa09ec50c0be71f15a c986dd7ecba185ad2a36b0815940f34deb2a8170 is the first bad commit commit c986dd7ecba185ad2a36b0815940f34deb2a8170 Author: Kent Overstreet Date: Wed Oct 9 21:28:11 2024 -0400 bcachefs: Improve check_snapshot_exists() Check if we have snapshot_trees or subvolumes that refer to the snapshot node being reconstructed, and use them. With this, the kill_btree_root test that blows away the snapshots btree now passes, and we're able to successfully reconstruct. Signed-off-by: Kent Overstreet fs/bcachefs/snapshot.c | 32 ++++++++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: b8529eb8419b2c6413e129d91e6cff1bd4e6725e398b8cc8119359e5c485137c parent signature: ad919258ccc49b42299451b80c78fcb7a26fbfe1b4ba5bd6af7781a78f8e6d5b revisions tested: 24, total time: 4h54m55.67323819s (build: 1h59m57.902809452s, test: 2h41m58.568219264s) first bad commit: c986dd7ecba185ad2a36b0815940f34deb2a8170 bcachefs: Improve check_snapshot_exists() recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: kernel BUG in bch2_reconstruct_snapshots missing backpointer for btree=freespace l=1 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 64 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 got: u64s 5 type deleted 0:7602176:0 len 0 ver 0 want: u64s 9 type backpointer 0:7602176:0 len 0 ver 0: bucket=0:29:0 btree=freespace l=1 offset=0:0 len=256 pos=SPOS_MAX, fixing done bcachefs (loop2): check_alloc_to_lru_refs... done bcachefs (loop2): reconstruct_snapshots... snapshot node 4294905343 from tree 4294905343 missing, recreating ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_types.h:210! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 UID: 0 PID: 3349 Comm: syz.2.16 Not tainted 6.12.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:bkey_s_c_to_subvolume fs/bcachefs/bkey_types.h:210 [inline] RIP: 0010:check_snapshot_exists fs/bcachefs/snapshot.c:944 [inline] RIP: 0010:bch2_reconstruct_snapshots+0xeea/0xf00 fs/bcachefs/snapshot.c:1062 Code: 91 00 00 41 be 59 f7 ff ff e9 f0 f4 ff ff 84 c9 0f 85 e8 f4 ff ff e9 f6 f5 ff ff 48 89 ef 44 89 ee e8 6a c4 f2 ff 90 0f 0b 90 <0f> 0b e8 4f 72 14 01 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 RSP: 0018:ffffc90003837960 EFLAGS: 00010283 RAX: ffffc90003837a58 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88810db800b8 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff819fb03b R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: ffffc90003837a28 R12: ffff88810bfecd00 R13: ffff888109e9ef18 R14: 00000000ffff0dff R15: ffff888102736c30 FS: 00007ff5aa85d6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005609bd504658 CR3: 000000010afc8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:185 [inline] bch2_run_recovery_passes+0x14f/0x240 fs/bcachefs/recovery_passes.c:232 bch2_fs_recovery+0x8a5/0x11e0 fs/bcachefs/recovery.c:862 bch2_fs_start+0x1b9/0x270 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0x2b8/0x690 fs/bcachefs/fs.c:2176 vfs_get_tree+0x27/0xf0 fs/super.c:1800 do_new_mount+0x15a/0x3a0 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x148/0x1b0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x220 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff5a998e58a 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:00007ff5aa85ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff5aa85cef0 RCX: 00007ff5a998e58a RDX: 00004000000058c0 RSI: 0000400000005900 RDI: 00007ff5aa85ceb0 RBP: 00004000000058c0 R08: 00007ff5aa85cef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000400000005900 R13: 00007ff5aa85ceb0 R14: 0000000000005934 R15: 0000400000002140 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bkey_s_c_to_subvolume fs/bcachefs/bkey_types.h:210 [inline] RIP: 0010:check_snapshot_exists fs/bcachefs/snapshot.c:944 [inline] RIP: 0010:bch2_reconstruct_snapshots+0xeea/0xf00 fs/bcachefs/snapshot.c:1062 Code: 91 00 00 41 be 59 f7 ff ff e9 f0 f4 ff ff 84 c9 0f 85 e8 f4 ff ff e9 f6 f5 ff ff 48 89 ef 44 89 ee e8 6a c4 f2 ff 90 0f 0b 90 <0f> 0b e8 4f 72 14 01 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 RSP: 0018:ffffc90003837960 EFLAGS: 00010283 RAX: ffffc90003837a58 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff88810db800b8 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff819fb03b R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: ffffc90003837a28 R12: ffff88810bfecd00 R13: ffff888109e9ef18 R14: 00000000ffff0dff R15: ffff888102736c30 FS: 00007ff5aa85d6c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005609bd504658 CR3: 000000010afc8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400