ci starts bisection 2025-08-05 11:40:08.043568727 +0000 UTC m=+135.008006533 bisecting cause commit starting from afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 building syzkaller on abdcb21383cc97dd3eb98eaa27189415be7d8199 ensuring issue is reproducible on original commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 88d04aca634d04141ff16f45fd31e7adec13af245b715c16aa330d199d5c03ce all runs: crashed: general protection fault in __bch2_err_trace representative crash: general protection fault in __bch2_err_trace, types: [DoS] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: c37cd01322a7e125d7a2f6113bebc00ab1e2a5f8943334b0503c0cca878eb0c8 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] the bug reproduces without the instrumentation disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep hang], they are not needed kconfig minimization: base=4095 full=8511 leaves diff=2196 split chunks (needed=false): <2196> split chunk #0 of len 2196 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: df7e76ffcc8c12c2c013ff5a708f2468cd20a35541601eed50c8410de248f30a all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [bug_or_warning kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 2b58d578100f77377bbaaff0d816af417e9b6460363a3d9f4939fc6fe47c52eb all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 107796b0855816b54c2b073c9940cb5023db40b70940b16e273600a6d9d1b09b all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [locking atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: a7623cbc38c9197c862395da81a483e87c8a7dddf3cae19b423e97940c386c57 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 2a0684da1f269d8e04c77d8fc43c665c9d0b824076ccb45eba912fc2d9accb62 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] the chunk can be dropped minimized to 440 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_CPU_ATTACK_VECTORS ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGETLBFS 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_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_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY 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_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_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 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_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_ADQ12B COMEDI_AIO_AIO12_8 COMEDI_AIO_IIRO_16 COMEDI_AMPLC_DIO200 COMEDI_AMPLC_DIO200_ISA COMEDI_AMPLC_PC236 COMEDI_AMPLC_PC236_ISA COMEDI_AMPLC_PC263_ISA COMEDI_BOND COMEDI_C6XDIGIO COMEDI_DAC02 COMEDI_DAS08 COMEDI_DAS08_ISA COMEDI_DAS16M1 COMEDI_DAS1800 COMEDI_DAS6402 COMEDI_DAS800 COMEDI_DMM32AT COMEDI_DT2801 COMEDI_DT2811 COMEDI_DT2814 COMEDI_DT2815 COMEDI_DT2817 COMEDI_DT282X COMEDI_DT9812 COMEDI_FL512 COMEDI_ISADMA COMEDI_ISA_DRIVERS COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_MPC624 COMEDI_MULTIQ3 COMEDI_NI_ATMIO16D COMEDI_NI_AT_A2150 COMEDI_NI_AT_AO COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_ISA COMEDI_NI_LABPC_ISADMA COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCL711 COMEDI_PCL724 COMEDI_PCL726 COMEDI_PCL730 COMEDI_PCL812 COMEDI_PCL816 COMEDI_PCL818 COMEDI_PCM3724 COMEDI_PCMAD COMEDI_PCMCIA_DRIVERS COMEDI_PCMDA12 COMEDI_PCMMIO COMEDI_PCMUIO COMEDI_RTI800 COMEDI_RTI802 COMEDI_S526 COMEDI_TEST COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC64 CRC64_ARCH CRC8 CRC_CCITT 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_CRC32C 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_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SHA1_ARCH CRYPTO_LIB_SHA256_ARCH CRYPTO_LIB_SHA512 CRYPTO_LIB_SHA512_ARCH CRYPTO_LIB_SM3 CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 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_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 DCA DCB DEBUG_VFS DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DMA_CMA FSCACHE FUSE_FS GPIOLIB HAMRADIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISA_BUS LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PCCARD PCMCIA RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE] disabling configs for [hang memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags testing release v6.16 testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0320d6dffd11aa705fa7859e4d8f90ac3a3cbbe6584daac8427d9a0306677877 all runs: OK false negative chance: 0.000 # git bisect start afec768a6a8fe7fb02a08ffce5f2f556f51d4b52 038d61fd642278bab63ee8ef722c50d10ab01e8f Bisecting: 6658 revisions left to test after this (roughly 13 steps) [7dff275c663178e9a12a0c0038e4b3be2f3edcba] Merge tag 'kcsan-20250728-v6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/melver/linux testing commit 7dff275c663178e9a12a0c0038e4b3be2f3edcba gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 5f4a554169e2b132a004f639d03f66deaa1968de0907202652ac8483cb685d78 all runs: OK false negative chance: 0.000 # git bisect good 7dff275c663178e9a12a0c0038e4b3be2f3edcba Bisecting: 3361 revisions left to test after this (roughly 12 steps) [b33f91c6276255ca0b90c42142828de05496ed1d] exfat: optimize allocation bitmap loading time testing commit b33f91c6276255ca0b90c42142828de05496ed1d gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 2778be29cbe1f5efb2ae45d86d056204f2e879861b635ad975adc4e06593a130 all runs: OK false negative chance: 0.000 # git bisect good b33f91c6276255ca0b90c42142828de05496ed1d Bisecting: 1689 revisions left to test after this (roughly 11 steps) [abd1fb7c108077c09d76c20015c73e4c7192bcd0] Merge branch 'arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc.git testing commit abd1fb7c108077c09d76c20015c73e4c7192bcd0 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 8b2aa11303c4fd28a35026faad633fc0b6014bf6d73ca7af7d1ed43e8f7ac4e6 all runs: OK false negative chance: 0.000 # git bisect good abd1fb7c108077c09d76c20015c73e4c7192bcd0 Bisecting: 794 revisions left to test after this (roughly 10 steps) [7b84902366d3321a9a9f3709efdad08ca7117d18] Merge branch 'fs-next' of linux-next testing commit 7b84902366d3321a9a9f3709efdad08ca7117d18 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 5ca319453fff30eb550871de5a238958a739e2d819388bbd6cace12cc453a893 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] # git bisect bad 7b84902366d3321a9a9f3709efdad08ca7117d18 Bisecting: 448 revisions left to test after this (roughly 9 steps) [0f9a0ba4f79f5cf52d071b6e124bd81965f263d7] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git testing commit 0f9a0ba4f79f5cf52d071b6e124bd81965f263d7 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 1d8163707c5f18547a5b2f9ac35e0a018833430f74bf8af65fbf93ee83057e87 all runs: OK false negative chance: 0.000 # git bisect good 0f9a0ba4f79f5cf52d071b6e124bd81965f263d7 Bisecting: 224 revisions left to test after this (roughly 8 steps) [e8cf1d67dd28012921f7fd815bf6ebd587f53216] bcachefs: bch2_member_to_text() testing commit e8cf1d67dd28012921f7fd815bf6ebd587f53216 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 0e02e43d46281c7c0ee6bf21b78040dcaad926f71b3305c901ca95e843e25b97 all runs: OK false negative chance: 0.000 # git bisect good e8cf1d67dd28012921f7fd815bf6ebd587f53216 Bisecting: 115 revisions left to test after this (roughly 7 steps) [078cad8212ce4f4ebbafcc0936475b8215e1ca2a] f2fs: drop inode from the donation list when the last file is closed testing commit 078cad8212ce4f4ebbafcc0936475b8215e1ca2a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: bbe8875053aa3b815182bff73f1ea051564461fb871ab8e42b23481d17778af5 all runs: OK false negative chance: 0.000 # git bisect good 078cad8212ce4f4ebbafcc0936475b8215e1ca2a Bisecting: 60 revisions left to test after this (roughly 6 steps) [ae48e8c2ed09d2827ac357bd178e1b1637c2ea7c] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git testing commit ae48e8c2ed09d2827ac357bd178e1b1637c2ea7c gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: fac5a4fd6bde710b9221de555ac32d36645e8f2b067165244620267ceedc8fa5 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] # git bisect bad ae48e8c2ed09d2827ac357bd178e1b1637c2ea7c Bisecting: 27 revisions left to test after this (roughly 5 steps) [d9a29e118ac408395bfd2a94567f98cf4231a9cf] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git testing commit d9a29e118ac408395bfd2a94567f98cf4231a9cf gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: fb65f7155788ce52c9fab6bffe6b08f9a58f6d0104dafca2a2706bad236e71e8 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] # git bisect bad d9a29e118ac408395bfd2a94567f98cf4231a9cf Bisecting: 13 revisions left to test after this (roughly 4 steps) [f30716620f95832c82e1775e9491f2c9bec7898a] bcachefs: 'bcachefs data drop_extra_replicas' can now drop ec testing commit f30716620f95832c82e1775e9491f2c9bec7898a gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: e5af4c7848e90a307479e5be13412b3d2652a6eadbdec8d409685bc1472175b0 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] # git bisect bad f30716620f95832c82e1775e9491f2c9bec7898a Bisecting: 6 revisions left to test after this (roughly 3 steps) [0d9e9292d4923dff5a38a5328a00493a828cda70] bcachefs: peek_slot() now takes advantage of KEY_TYPE_extent_whiteout testing commit 0d9e9292d4923dff5a38a5328a00493a828cda70 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 40d3a3783db7181e81d2fe38595461d7b8fbccc411eb7fb96fe740783079ece7 all runs: OK false negative chance: 0.000 # git bisect good 0d9e9292d4923dff5a38a5328a00493a828cda70 Bisecting: 3 revisions left to test after this (roughly 2 steps) [b39b044c24e79cee5cac9abf7cc625fe034c5bb9] bcachefs: bch2_move_ratelimit() now uses freezable wait testing commit b39b044c24e79cee5cac9abf7cc625fe034c5bb9 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: ce7e92bf3f4bae7e4f83601f15b45eab1d42572c8b6ea90a0ba244a60869ab1b all runs: OK false negative chance: 0.000 # git bisect good b39b044c24e79cee5cac9abf7cc625fe034c5bb9 Bisecting: 1 revision left to test after this (roughly 1 step) [a3fae949356c89f68b785331acad8b7513b09194] bcachefs: Fix "inode not unlinked" error after subvolume delete testing commit a3fae949356c89f68b785331acad8b7513b09194 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: cc21a57e760e7c85c57dfd258782a8eb7e8272c0800c7719b9a8b9262a94d4e5 all runs: OK false negative chance: 0.000 # git bisect good a3fae949356c89f68b785331acad8b7513b09194 Bisecting: 0 revisions left to test after this (roughly 0 steps) [f4d93013d06d30718c19708c8477bab9670fd889] bcachefs: error_throw counter testing commit f4d93013d06d30718c19708c8477bab9670fd889 gcc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 kernel signature: 9d4dfd60f27cf98667a49efcecee8a75301e9301aa31ba50283e62e16bf93620 all runs: crashed: BUG: unable to handle kernel paging request in __bch2_err_trace representative crash: BUG: unable to handle kernel paging request in __bch2_err_trace, types: [MEMORY_SAFETY_BUG] # git bisect bad f4d93013d06d30718c19708c8477bab9670fd889 f4d93013d06d30718c19708c8477bab9670fd889 is the first bad commit commit f4d93013d06d30718c19708c8477bab9670fd889 Author: Kent Overstreet Date: Sun Aug 3 21:31:24 2025 -0400 bcachefs: error_throw counter Signed-off-by: Kent Overstreet fs/bcachefs/bcachefs.h | 17 +++++++++-------- fs/bcachefs/sb-counters_format.h | 3 ++- 2 files changed, 11 insertions(+), 9 deletions(-) accumulated error probability: 0.00 culprit signature: 9d4dfd60f27cf98667a49efcecee8a75301e9301aa31ba50283e62e16bf93620 parent signature: cc21a57e760e7c85c57dfd258782a8eb7e8272c0800c7719b9a8b9262a94d4e5 revisions tested: 22, total time: 11h29m57.210159853s (build: 6h32m19.710060099s, test: 2h26m37.037221555s) first bad commit: f4d93013d06d30718c19708c8477bab9670fd889 bcachefs: error_throw counter recipients (to): ["kent.overstreet@linux.dev" "kent.overstreet@linux.dev" "linux-bcachefs@vger.kernel.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: BUG: unable to handle kernel paging request in __bch2_err_trace loop2: detected capacity change from 0 to 32768 BUG: unable to handle page fault for address: 000000000004b608 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000170b5c067 P4D 8000000170b5c067 PUD 0 Oops: Oops: 0000 [#1] SMP PTI CPU: 0 UID: 0 PID: 3356 Comm: syz.2.17 Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__bch2_err_trace+0x3/0x90 fs/bcachefs/bcachefs.h:1150 Code: da 02 0f 85 f0 fe ff ff 0f 1f 44 00 00 e9 e6 fe ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 53 89 f3 <48> 8b 87 08 b6 04 00 65 48 ff 80 f0 02 00 00 48 8d 0d 00 00 00 00 RSP: 0018:ffffc90003293b88 EFLAGS: 00010246 RAX: ffff888103f4fc20 RBX: 00000000fffff716 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 00000000fffff716 RDI: 0000000000000000 RBP: ffff888103f4fc20 R08: 0000000000080000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888171149258 R12: 00000000fffff716 R13: ffffc90003293be8 R14: ffffc90003293d08 R15: ffffc90003293ba0 FS: 00007fa6942186c0(0000) GS:ffff8882b322b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000004b608 CR3: 0000000179ba4000 CR4: 00000000003506f0 Call Trace: bch2_fs_open+0x44f/0x490 fs/bcachefs/super.c:2546 bch2_fs_get_tree+0x22c/0x760 fs/bcachefs/fs.c:2432 vfs_get_tree+0x29/0xb0 fs/super.c:1804 do_new_mount+0x13f/0x380 fs/namespace.c:3902 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x147/0x1b0 fs/namespace.c:4427 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x250 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa69339030a 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:00007fa694217e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fa694217ef0 RCX: 00007fa69339030a RDX: 00002000000058c0 RSI: 0000200000000000 RDI: 00007fa694217eb0 RBP: 00002000000058c0 R08: 00007fa694217ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000 R13: 00007fa694217eb0 R14: 0000000000005921 R15: 0000200000000380 Modules linked in: CR2: 000000000004b608 ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_err_trace+0x3/0x90 fs/bcachefs/bcachefs.h:1150 Code: da 02 0f 85 f0 fe ff ff 0f 1f 44 00 00 e9 e6 fe ff ff 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 53 89 f3 <48> 8b 87 08 b6 04 00 65 48 ff 80 f0 02 00 00 48 8d 0d 00 00 00 00 RSP: 0018:ffffc90003293b88 EFLAGS: 00010246 RAX: ffff888103f4fc20 RBX: 00000000fffff716 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 00000000fffff716 RDI: 0000000000000000 RBP: ffff888103f4fc20 R08: 0000000000080000 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888171149258 R12: 00000000fffff716 R13: ffffc90003293be8 R14: ffffc90003293d08 R15: ffffc90003293ba0 FS: 00007fa6942186c0(0000) GS:ffff8882b322b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000004b608 CR3: 0000000179ba4000 CR4: 00000000003506f0 ---------------- Code disassembly (best guess): 0: da 02 fiaddl (%rdx) 2: 0f 85 f0 fe ff ff jne 0xfffffef8 8: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) d: e9 e6 fe ff ff jmp 0xfffffef8 12: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 53 push %rbx 28: 89 f3 mov %esi,%ebx * 2a: 48 8b 87 08 b6 04 00 mov 0x4b608(%rdi),%rax <-- trapping instruction 31: 65 48 ff 80 f0 02 00 incq %gs:0x2f0(%rax) 38: 00 39: 48 8d 0d 00 00 00 00 lea 0x0(%rip),%rcx # 0x40