ci2 starts bisection 2025-06-08 21:23:24.149639464 +0000 UTC m=+156040.064344350
bisecting cause commit starting from 28eb75e178d389d325f1666e422bc13bbbb9804c
building syzkaller on 4b25d554e5643186ba6a09429089ac0275f7573b
ensuring issue is reproducible on original commit 28eb75e178d389d325f1666e422bc13bbbb9804c

testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: e6be030206e197f99a154caac55552452047db56d6f7687e407453318d68fbef
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in qlist_free_all
run #1: crashed: general protection fault in kernfs_dop_revalidate
run #2: crashed: UBSAN: shift-out-of-bounds in ip_skb_dst_mtu
run #3: crashed: general protection fault in batadv_hardif_get_by_netdev
run #4: crashed: general protection fault in __d_alloc
run #5: crashed: UBSAN: shift-out-of-bounds in ip6_route_output_flags
run #6: crashed: go runtime error
run #7: crashed: BUG: unable to handle kernel paging request in handle_softirqs
run #8: crashed: possible deadlock in get_partial_node
run #9: crashed: WARNING in bioset_init
run #10: crashed: kernel BUG in bch2_btree_node_iter_init
run #11: crashed: possible deadlock in get_partial_node
run #12: crashed: kernel BUG in bch2_btree_node_iter_init
run #13: crashed: possible deadlock in get_partial_node
run #14: crashed: kernel BUG in bch2_btree_node_iter_init
run #15: crashed: possible deadlock in get_partial_node
run #16: crashed: kernel BUG in bch2_btree_node_iter_init
run #17: crashed: WARNING: locking bug in simple_recursive_removal
run #18: crashed: possible deadlock in get_partial_node
run #19: crashed: possible deadlock in get_partial_node
representative crash: possible deadlock in get_partial_node, types: [LOCKDEP UNKNOWN BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [UBSAN KASAN ATOMIC_SLEEP HANG LEAK], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: e5c139f8fcd3a829ae969fb3f2eded8df320ecebde43f152d43833c68642c8a5
run #0: crashed: BUG: corrupted list in evict
run #1: crashed: WARNING: locking bug in sock_wfree
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in __d_alloc
run #3: crashed: general protection fault in __d_lookup
run #4: crashed: BUG: unable to handle kernel paging request in alloc_inode
run #5: crashed: kernel BUG in bch2_btree_node_iter_init
run #6: crashed: BUG: corrupted list in list_lru_del
run #7: crashed: BUG: spinlock bad magic in fsnotify_grab_connector
run #8: crashed: kernel BUG in bch2_btree_node_iter_init
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in folio_try_get
representative crash: BUG: corrupted list in evict, types: [BUG UNKNOWN]
the bug reproduces without the instrumentation
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
kconfig minimization: base=4084 full=8220 leaves diff=2141
split chunks (needed=false): <2141>
split chunk #0 of len 2141 into 5 parts
testing without sub-chunk 1/5
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 8f48fd6193a976517fd2c823fb2e477107e01e50f2c435ec03f78984db82077e
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: e7e596b33d24008dc247f7dbddebf41c793f60ef1dea81a2017f0dae34c8cdc9
run #0: crashed: general protection fault in corrupted
run #1: crashed: kernel BUG in bch2_btree_node_iter_init
run #2: crashed: BUG: unable to handle kernel paging request in __d_alloc
run #3: crashed: general protection fault in __d_lookup
run #4: crashed: WARNING: locking bug in pipe_release
run #5: crashed: BUG: unable to handle kernel paging request in folio_try_get
run #6: crashed: WARNING in bioset_exit
run #7: crashed: kernel BUG in bch2_btree_node_iter_init
run #8: crashed: kernel BUG in bch2_btree_node_iter_init
run #9: crashed: kernel BUG in bch2_btree_node_iter_init
representative crash: general protection fault in corrupted, types: [UNKNOWN BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 664b3f5e2595b875d12c31373e2b6d568af51636a3fa156b1e6504b1d46dea62
run #0: crashed: general protection fault in count_matching_names
run #1: crashed: BUG: unable to handle kernel paging request in __d_lookup
run #2: crashed: INFO: trying to register non-static key in offset_readdir
run #3: crashed: BUG: unable to handle kernel paging request in folio_try_get
run #4: crashed: kernel BUG in blkdev_flush_mapping
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in kernfs_dop_revalidate
run #6: crashed: kernel BUG in bch2_btree_node_iter_init
run #7: crashed: kernel BUG in bch2_btree_node_iter_init
run #8: crashed: kernel BUG in bch2_btree_node_iter_init
run #9: crashed: kernel BUG in bch2_btree_node_iter_init
representative crash: general protection fault in count_matching_names, types: [UNKNOWN BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [LEAK UBSAN KASAN ATOMIC_SLEEP HANG], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 0bbf7173be3a494f145d36fa234e78e9f007f7bebec15c2215bfce90bdc7d422
run #0: crashed: BUG: unable to handle kernel paging request in corrupted
run #1: crashed: kernel BUG in shmem_undo_range
run #2: crashed: kernel BUG in bch2_btree_node_iter_init
run #3: crashed: kernel BUG in bch2_btree_node_iter_init
run #4: crashed: kernel BUG in bch2_btree_node_iter_init
run #5: crashed: kernel BUG in bch2_btree_node_iter_init
run #6: crashed: kernel BUG in bch2_btree_node_iter_init
run #7: crashed: kernel BUG in bch2_btree_node_iter_init
run #8: crashed: BUG: corrupted list in evict
run #9: OK
representative crash: kernel BUG in shmem_undo_range, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [HANG LEAK UBSAN KASAN ATOMIC_SLEEP], they are not needed
testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 70a8c22b092a7713ecacf72efbea20e8bd3ba9c7875865d773979f8620a73fe8
run #0: crashed: BUG: unable to handle kernel paging request in corrupted
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in kernfs_dop_revalidate
run #2: crashed: general protection fault in __d_lookup
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in mempool_alloc_slab
run #4: crashed: kernel BUG in bch2_btree_node_iter_init
run #5: crashed: kernel BUG in bch2_btree_node_iter_init
run #6: crashed: kernel BUG in bch2_btree_node_iter_init
run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in __dentry_kill
run #8: crashed: kernel BUG in shmem_undo_range
run #9: crashed: kernel BUG in bch2_btree_node_iter_init
representative crash: BUG: unable to handle kernel paging request in corrupted, types: [UNKNOWN BUG]
the chunk can be dropped
minimized to 429 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_BINDERFS 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 AS_SHA1_NI AS_SHA256_NI AS_TPAUSE 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 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_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 CRC32_SLICEBY8 CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF 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_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD 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_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_VMAC 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_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 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 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 ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed
picked [v6.12 v6.11 v6.10 v6.8 v6.6 v6.4 v6.2 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 35 release tags
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: b4e402d7652f766fc31d4a112e1528167ae523204ce26871a35c6823ee757fb0
run #0: crashed: go runtime error
run #1: crashed: go runtime error
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in audit_signal_info_syscall
run #3: crashed: BUG: corrupted list in evict
run #4: crashed: BUG: spinlock bad magic in fsnotify_grab_connector
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in proc_invalidate_siblings_dcache
run #6: crashed: kernel BUG in shmem_undo_range
run #7: crashed: kernel BUG in bch2_btree_node_iter_init
run #8: crashed: kernel BUG in bch2_btree_node_iter_init
run #9: crashed: INFO: trying to register non-static key in fast_dput
representative crash: go runtime error, types: [UNKNOWN BUG]
testing release v6.11
testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 73c395b9e30c28d8d2cd1e2330b3baba379e33f62dbeb8065dfe44b71b10923a
all runs: crashed: WARNING in __bch2_fsck_err
representative crash: WARNING in __bch2_fsck_err, types: [WARNING]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: cce5cf022572e04c35085968bd2090a36fef90898354bda48df96cdf9f7490ac
all runs: crashed: kernel BUG in bch2_btree_path_level_init
representative crash: kernel BUG in bch2_btree_path_level_init, types: [BUG]
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: da6c3e98d1f7138912b48da6c2f64c0c17ddb24309feb312bd8a37eefce7315c
all runs: OK
false negative chance: 0.000
# git bisect start 0c3836482481200ead7b416ca80c68a29cfdaabd e8f897f4afef0031fe618a8e94127a0934896aba
Bisecting: 15131 revisions left to test after this (roughly 14 steps)
[63407d3081a6b406d94bd7d96ff2ca38fa7df236] Merge tag 'phy-fixes-6.9' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

testing commit 63407d3081a6b406d94bd7d96ff2ca38fa7df236 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 59364c2e56ba8f4127cdd5e77e298c000153c61d0a38173efe6abbfa5975006b
all runs: OK
false negative chance: 0.000
# git bisect good 63407d3081a6b406d94bd7d96ff2ca38fa7df236
Bisecting: 7853 revisions left to test after this (roughly 13 steps)
[d34672777da3ea919e8adb0670ab91ddadf7dea0] Merge tag 'fbdev-for-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

testing commit d34672777da3ea919e8adb0670ab91ddadf7dea0 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 7d6e147d30336748e361d02f90c63716cc24039f6871d6b65d06bf9c382e2995
all runs: OK
false negative chance: 0.000
# git bisect good d34672777da3ea919e8adb0670ab91ddadf7dea0
Bisecting: 3911 revisions left to test after this (roughly 12 steps)
[b9dd56e813af002f45f6a494414d4a05dfdaa30e] Merge tag 'soundwire-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire

testing commit b9dd56e813af002f45f6a494414d4a05dfdaa30e gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: f511685dc460307292f19083365170a71dad6f580bc3ae86db22f08175f597cb
all runs: crashed: kernel BUG in bch2_btree_path_level_init
representative crash: kernel BUG in bch2_btree_path_level_init, types: [BUG]
# git bisect bad b9dd56e813af002f45f6a494414d4a05dfdaa30e
Bisecting: 1947 revisions left to test after this (roughly 11 steps)
[ff9a79307f89563da6d841da8b7cc4a0afceb0e2] Merge tag 'kbuild-v6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

testing commit ff9a79307f89563da6d841da8b7cc4a0afceb0e2 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 261497778f6830e9a25699428d613f22b4ec635247fb7861d40991cec36958e5
all runs: OK
false negative chance: 0.000
# git bisect good ff9a79307f89563da6d841da8b7cc4a0afceb0e2
Bisecting: 949 revisions left to test after this (roughly 10 steps)
[eb6a9339efeb6f3d2b5c86fdf2382cdc293eca2c] Merge tag 'mm-nonmm-stable-2024-05-19-11-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit eb6a9339efeb6f3d2b5c86fdf2382cdc293eca2c gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 4752b881eba6a057d9827918d1033617b5cfae84c2832c934683a94f9a3b99a2
all runs: crashed: kernel BUG in bch2_btree_path_level_init
representative crash: kernel BUG in bch2_btree_path_level_init, types: [BUG]
# git bisect bad eb6a9339efeb6f3d2b5c86fdf2382cdc293eca2c
Bisecting: 564 revisions left to test after this (roughly 9 steps)
[76edc534cc289308130272a2ac28694fc9b72a03] memcg, oom: cleanup unused memcg_oom_gfp_mask and memcg_oom_order

testing commit 76edc534cc289308130272a2ac28694fc9b72a03 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 0002cdb7ed6d10494b5f75524d3d2b24fae080ea99dc99662864fc8a4b201f8d
all runs: OK
false negative chance: 0.000
# git bisect good 76edc534cc289308130272a2ac28694fc9b72a03
Bisecting: 272 revisions left to test after this (roughly 8 steps)
[7991c92f4cc50b971fcb4d05087e490dc47a6857] Merge tag 'ext4_for_linus-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

testing commit 7991c92f4cc50b971fcb4d05087e490dc47a6857 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 806b123a47164f8e784f68eb8690997ea51a68dad27b39580eb4e83b5ab27882
all runs: OK
false negative chance: 0.000
# git bisect good 7991c92f4cc50b971fcb4d05087e490dc47a6857
Bisecting: 136 revisions left to test after this (roughly 7 steps)
[e11ecc6133b345a6c5919ae35920c384c6ff6f95] bcachefs: Improve sysfs internal/btree_cache

testing commit e11ecc6133b345a6c5919ae35920c384c6ff6f95 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 22ec61d252c4024c058837d318647c1fc20f5ccba1b47d0fc3c8c35be217b909
all runs: crashed: kernel BUG in bch2_btree_path_level_init
representative crash: kernel BUG in bch2_btree_path_level_init, types: [BUG]
# git bisect bad e11ecc6133b345a6c5919ae35920c384c6ff6f95
Bisecting: 67 revisions left to test after this (roughly 6 steps)
[930e1a92d62d3f0dbf8d27002c539819738ef6bb] bcachefs: kill gc looping for bucket gens

testing commit 930e1a92d62d3f0dbf8d27002c539819738ef6bb gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 711619e368284ec32f03edcebd275b1aa3b67c3b2e459bc381b3de2ec88d5481
run #0: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #1: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #2: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #3: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #4: crashed: kernel BUG in bch2_journal_res_get
run #5: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #6: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #7: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #8: crashed: kernel BUG in bch2_fs_btree_cache_exit
run #9: crashed: kernel BUG in bch2_fs_btree_cache_exit
representative crash: kernel BUG in bch2_fs_btree_cache_exit, types: [BUG]
# git bisect bad 930e1a92d62d3f0dbf8d27002c539819738ef6bb
Bisecting: 33 revisions left to test after this (roughly 5 steps)
[d155272b6e58a4b372982de777fde7dc503a8f96] bcachefs: bucket_valid()

testing commit d155272b6e58a4b372982de777fde7dc503a8f96 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 094df345628d41b503a18693fbadf3ac70a798a91cebb8f24252ba0817b2523e
all runs: OK
false negative chance: 0.000
# git bisect good d155272b6e58a4b372982de777fde7dc503a8f96
Bisecting: 16 revisions left to test after this (roughly 4 steps)
[60f2b1bcf519416dbffee219132aa949d0c39d0e] bcachefs: Add asserts to bch2_dev_btree_bitmap_marked_sectors()

testing commit 60f2b1bcf519416dbffee219132aa949d0c39d0e gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 5077e2f5b306058ae9de4fb043a7c58d965819dab23bd0f58e8d9779fadf712f
all runs: OK
false negative chance: 0.000
# git bisect good 60f2b1bcf519416dbffee219132aa949d0c39d0e
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[5147b9ae768758982b196d1b259e6372e328955e] bcachefs: Btree key cache instrumentation

testing commit 5147b9ae768758982b196d1b259e6372e328955e gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: a966c85dd5a5ba84967bcccdd0700bc23f9908632cf787d1d299939465967b80
all runs: crashed: kernel BUG in bch2_fs_btree_cache_exit
representative crash: kernel BUG in bch2_fs_btree_cache_exit, types: [BUG]
# git bisect bad 5147b9ae768758982b196d1b259e6372e328955e
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[aef7eecb5711f8bcbaf0709793ff950c290e3493] bcachefs: Sync journal when we complete a recovery pass

testing commit aef7eecb5711f8bcbaf0709793ff950c290e3493 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 95e101133d810a02b9c6470980e97c2c12bda68827488ac2a99d7053a01a540e
all runs: crashed: kernel BUG in bch2_fs_btree_cache_exit
representative crash: kernel BUG in bch2_fs_btree_cache_exit, types: [BUG]
# git bisect bad aef7eecb5711f8bcbaf0709793ff950c290e3493
Bisecting: 1 revision left to test after this (roughly 1 step)
[5a2d15213d3187ed3b059a2ec8865aa9172fd3a2] bcachefs: Rip bch2_snapshot_equiv() out of fsck

testing commit 5a2d15213d3187ed3b059a2ec8865aa9172fd3a2 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: 40d124c567ae99c2fb57e5945bc48621d14459e022422fc25a8e56ac2634ea5d
all runs: OK
false negative chance: 0.000
# git bisect good 5a2d15213d3187ed3b059a2ec8865aa9172fd3a2
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[f7643bc9749f270d487c32dc35b578575bf1adb0] bcachefs: make btree read errors silent during scan

testing commit f7643bc9749f270d487c32dc35b578575bf1adb0 gcc
compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6
kernel signature: fc117f63bb524e53849fd1df1f31e39485a53fa4e5711c51c58ef50e21a4d646
all runs: crashed: kernel BUG in bch2_fs_btree_cache_exit
representative crash: kernel BUG in bch2_fs_btree_cache_exit, types: [BUG]
# git bisect bad f7643bc9749f270d487c32dc35b578575bf1adb0
f7643bc9749f270d487c32dc35b578575bf1adb0 is the first bad commit
commit f7643bc9749f270d487c32dc35b578575bf1adb0
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date:   Wed Apr 17 01:26:02 2024 -0400

    bcachefs: make btree read errors silent during scan
    
    Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

 fs/bcachefs/btree_io.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

accumulated error probability: 0.00
culprit signature: fc117f63bb524e53849fd1df1f31e39485a53fa4e5711c51c58ef50e21a4d646
parent  signature: 40d124c567ae99c2fb57e5945bc48621d14459e022422fc25a8e56ac2634ea5d
revisions tested: 26, total time: 5h46m54.066868013s (build: 2h8m2.308623907s, test: 3h16m2.880019383s)
first bad commit: f7643bc9749f270d487c32dc35b578575bf1adb0 bcachefs: make btree read errors silent during scan
recipients (to): ["kent.overstreet@linux.dev"]
recipients (cc): []
crash: kernel BUG in bch2_fs_btree_cache_exit
bcachefs (loop5): flushing journal and stopping allocators complete, journal seq 12
bcachefs (loop5): unshutdown complete, journal seq 13
bcachefs (loop5): done going read-only, filesystem not clean
bcachefs (loop5): shutdown complete
------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_cache.c:445!
invalid opcode: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 4888 Comm: syz.5.16 Not tainted 6.9.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:bch2_fs_btree_cache_exit+0x308/0x310 fs/bcachefs/btree_cache.c:444
Code: c8 76 23 48 8b 83 d8 19 00 00 4c 01 f0 eb b0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000307bbb0 EFLAGS: 00010202
RAX: 00000000ff600001 RBX: ffff88810ef80000 RCX: ffff88810ef81c68
RDX: ffff888177967628 RSI: ffff88810ef81c68 RDI: ffff888177960228
RBP: 0000000000000014 R08: 0000000000000001 R09: 0000000000000000
R10: ffffea00040fd200 R11: ffffffff8125acd0 R12: ffff888177961228
R13: ffff888177961628 R14: ffff88810ef81c68 R15: ffff88810ef81c68
FS:  00007f334a5a76c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bdda00010 CR3: 0000000106b70000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __bch2_fs_free fs/bcachefs/super.c:565 [inline]
 bch2_fs_release+0x1d2/0x3c0 fs/bcachefs/super.c:612
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0xac/0x1b0 lib/kobject.c:737
 deactivate_locked_super+0x30/0x90 fs/super.c:472
 bch2_mount+0x49e/0x5f0 fs/bcachefs/fs.c:2004
 legacy_get_tree+0x2d/0x60 fs/fs_context.c:662
 vfs_get_tree+0x2a/0xf0 fs/super.c:1779
 do_new_mount+0x132/0x360 fs/namespace.c:3352
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x169/0x1c0 fs/namespace.c:3875
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf8/0x220 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f334977ffba
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:00007f334a5a6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f334a5a6ef0 RCX: 00007f334977ffba
RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007f334a5a6eb0
RBP: 00000000200000c0 R08: 00007f334a5a6ef0 R09: 0000000000800000
R10: 0000000000800000 R11: 0000000000000246 R12: 0000000020000100
R13: 00007f334a5a6eb0 R14: 000000000000597f R15: 0000000020005bc0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_fs_btree_cache_exit+0x308/0x310 fs/bcachefs/btree_cache.c:444
Code: c8 76 23 48 8b 83 d8 19 00 00 4c 01 f0 eb b0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000307bbb0 EFLAGS: 00010202
RAX: 00000000ff600001 RBX: ffff88810ef80000 RCX: ffff88810ef81c68
RDX: ffff888177967628 RSI: ffff88810ef81c68 RDI: ffff888177960228
RBP: 0000000000000014 R08: 0000000000000001 R09: 0000000000000000
R10: ffffea00040fd200 R11: ffffffff8125acd0 R12: ffff888177961228
R13: ffff888177961628 R14: ffff88810ef81c68 R15: ffff88810ef81c68
FS:  00007f334a5a76c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bdda00010 CR3: 0000000106b70000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400