ci2 starts bisection 2025-09-05 16:58:50.227806806 +0000 UTC m=+140245.216780631 bisecting cause commit starting from d69eb204c255c35abd9e8cb621484e8074c75eaa building syzkaller on d291dd2d58a1885c00a60561048b6ceb1bf1206a ensuring issue is reproducible on original commit d69eb204c255c35abd9e8cb621484e8074c75eaa testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ee477797827b52121b089aa4c01be443331b9e8eb36c340ea214af96d1b84035 run #0: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #1: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #5: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #9: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #10: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #11: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #12: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #13: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #14: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #15: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #16: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #17: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #18: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #19: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 283032e66fbd3c188cffa8431d6c678ea7ef5db74ab3fb198a4428099e9a3fb5 run #0: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #2: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #4: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] the bug reproduces without the instrumentation disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed kconfig minimization: base=4092 full=8349 leaves diff=2173 split chunks (needed=false): <2173> split chunk #0 of len 2173 into 5 parts testing without sub-chunk 1/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2fbab7638788fecb9d017e999a087f2712dc3eeb6139e105cd2aaad12d6085df all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning locking atomic_sleep hang memleak], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c7f83c096a4fd14c4781149a4b548f221a88e43b5d0132fbaea39406c35f9f6f run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #5: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: slab-out-of-bounds in string representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 45140b8398a62ccb438b76e1d4b4b98657b2a4685f6023f38e9a90d13421a6d6 run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #2: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #9: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d6422ade28911e9db0ddcdac760eb3768aa96c156425f67b3737c0fa88d68b85 run #0: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #1: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [bug_or_warning locking atomic_sleep hang memleak ubsan], they are not needed testing commit d69eb204c255c35abd9e8cb621484e8074c75eaa gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2183d7aad2fef579d849e493a754a68ca60d52f521ba741179259dc71b9c0ce0 run #0: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #8: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] the chunk can be dropped minimized to 435 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_HAS_CPU_ATTACK_VECTORS ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGETLBFS 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_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 USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE] disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning locking], 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 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 67fa2337512fa72e0759d180d658fbbbcbde212fae4cff75651dc37dbc199da1 run #0: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #1: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #6: crashed: KASAN: use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 12da9abb0731fd24c3c73b689ecf4507e7a7b1789a22f02a0a4f90758f091a63 all runs: OK false negative chance: 0.000 # git bisect start 038d61fd642278bab63ee8ef722c50d10ab01e8f 0ff41df1cb268fc69e703a08a57ee14ae967d0ca Bisecting: 7873 revisions left to test after this (roughly 13 steps) [43db1111073049220381944af4a3b8a5400eda71] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit 43db1111073049220381944af4a3b8a5400eda71 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 29b0fdb30b3a6491a05304e369678cebebf79bc2749a8ca7508dad61e5d8ec31 all runs: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad 43db1111073049220381944af4a3b8a5400eda71 Bisecting: 4089 revisions left to test after this (roughly 12 steps) [a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 332e8e7b87de3fc172722b274b3b69c466ebefcce9ef178d2cbe42470c3589d7 run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad a61e26038143727d9b0f1bc01b0370f77f2ad7e4 Bisecting: 1981 revisions left to test after this (roughly 11 steps) [0c1494015fea0935fbf6cd9d99c008fcbe1e4165] Merge tag 'core-entry-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3344efd15f27e56478e37de72225fb82f5206cad78e53eecbaba4a96bfdc2fd5 run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #9: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 Bisecting: 1061 revisions left to test after this (roughly 10 steps) [15d90a5e5524532b7456a24f4626cf28c1629c4c] Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux testing commit 15d90a5e5524532b7456a24f4626cf28c1629c4c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bc2b11becf43b1ad5b3a887f1e6473da85d774fc0582958d89c808dc3060a35c run #0: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #2: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #3: crashed: KASAN: use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] # git bisect bad 15d90a5e5524532b7456a24f4626cf28c1629c4c Bisecting: 507 revisions left to test after this (roughly 9 steps) [49fffac983ac52aea0ab94914be3f56bcf92d5dc] Merge tag 'for-6.16/io_uring-20250523' of git://git.kernel.dk/linux testing commit 49fffac983ac52aea0ab94914be3f56bcf92d5dc gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8cd9e0756ad89a37b579249f399b943fd8652357fe90efc5d969eec5fcf24143 run #0: basic kernel testing failed: KASAN: slab-use-after-free Write in binderfs_evict_inode run #1: ignore: lost connection to test machine run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 49fffac983ac52aea0ab94914be3f56bcf92d5dc Bisecting: 276 revisions left to test after this (roughly 8 steps) [8fdabcd9c01d9ac585d8109a921e0734a69479fb] Merge tag 'gfs2-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit 8fdabcd9c01d9ac585d8109a921e0734a69479fb gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c193dd66d13a5d1c91f9bac792f5d86704d6b7330b598da2b5b940194df59a6e run #0: ignore: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect good 8fdabcd9c01d9ac585d8109a921e0734a69479fb Bisecting: 138 revisions left to test after this (roughly 7 steps) [3b7b0c3996b570f9c305c6f3df475a719920d65c] bcachefs: print label correctly in sb_member_to_text() testing commit 3b7b0c3996b570f9c305c6f3df475a719920d65c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ba40cf6f331b974b469eaa24b1d833ed9d06e35a6010bf229ef601b2e2dd1606 run #0: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: slab-use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad 3b7b0c3996b570f9c305c6f3df475a719920d65c Bisecting: 68 revisions left to test after this (roughly 6 steps) [09279bba72f809eeb1f02d39a462e8e1d06fa32a] bcachefs: Kill dead code testing commit 09279bba72f809eeb1f02d39a462e8e1d06fa32a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8ce0acbea8bd0dd9d82cfb7f8b93d45cfc4a8e45f4008656f862dffdb664fca8 all runs: OK false negative chance: 0.000 # git bisect good 09279bba72f809eeb1f02d39a462e8e1d06fa32a Bisecting: 34 revisions left to test after this (roughly 5 steps) [8a6b883e78bfed6909e21c2afb6138b603d1ee6c] bcachefs: Fix setting ca->name in device add testing commit 8a6b883e78bfed6909e21c2afb6138b603d1ee6c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d5c389882d0236546b3aed109f28ef0caa8cd83df74dba37c6279301aee4fb99 run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #2: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad 8a6b883e78bfed6909e21c2afb6138b603d1ee6c Bisecting: 16 revisions left to test after this (roughly 4 steps) [156d9e8341e8aad55b0e79b2dc54003cb14e5077] bcachefs: Emit a single log message on data read error testing commit 156d9e8341e8aad55b0e79b2dc54003cb14e5077 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fa963dbb058bc67ac319f8a84f7b4b7cd696c65e27f0880e1bee6571ae021ff4 all runs: OK false negative chance: 0.000 # git bisect good 156d9e8341e8aad55b0e79b2dc54003cb14e5077 Bisecting: 8 revisions left to test after this (roughly 3 steps) [cd3cdb1ef706a1ac725194d81858d58375739b25] bcachefs: Single err message for btree node reads testing commit cd3cdb1ef706a1ac725194d81858d58375739b25 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 056729a2205549ce3f7f4273a4919d3e6ecdc60b90da97d022e1012e3552f089 all runs: OK false negative chance: 0.000 # git bisect good cd3cdb1ef706a1ac725194d81858d58375739b25 Bisecting: 4 revisions left to test after this (roughly 2 steps) [cf95296295bebadcf8b4a695064d2df35e0c127e] bcachefs: bch2_trans_update_ip() testing commit cf95296295bebadcf8b4a695064d2df35e0c127e gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c43044c52a7210ee82f0ee0a341e89e7de92a11b9e16aafa0bd93a2ee6373a58 run #0: crashed: KASAN: slab-use-after-free Write in binderfs_evict_inode run #1: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: use-after-free Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #9: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] # git bisect bad cf95296295bebadcf8b4a695064d2df35e0c127e Bisecting: 1 revision left to test after this (roughly 1 step) [aff2b6a7fc285287f7ffc6691aca333a63b18230] bcachefs: provide unlocked version of run_explicit_recovery_pass_persistent testing commit aff2b6a7fc285287f7ffc6691aca333a63b18230 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b83dfbb607f0f84c71a5b51b1b279771e87adf0823a6e0890834cbb5687ca122 run #0: crashed: KASAN: use-after-free Read in bch2_prt_printf run #1: crashed: KASAN: use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ] # git bisect bad aff2b6a7fc285287f7ffc6691aca333a63b18230 Bisecting: 0 revisions left to test after this (roughly 0 steps) [c21f41f6905be4fc5059a10a5bba94105ba87269] bcachefs: bch2_dirent_to_text() shows casefolded dirents testing commit c21f41f6905be4fc5059a10a5bba94105ba87269 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9e14dcd4336f910198594a22c37dcf01ec657faffe5e284ce69de5e6abcd3fe3 run #0: crashed: KASAN: slab-use-after-free Write in binderfs_evict_inode run #1: crashed: KASAN: use-after-free Read in bch2_prt_printf run #2: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #3: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #4: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #5: crashed: KASAN: use-after-free Read in bch2_prt_printf run #6: crashed: KASAN: slab-out-of-bounds Read in bch2_prt_printf run #7: crashed: KASAN: slab-use-after-free Read in bch2_prt_printf run #8: crashed: KASAN: use-after-free Read in bch2_prt_printf run #9: crashed: KASAN: use-after-free Read in bch2_prt_printf representative crash: KASAN: use-after-free Read in bch2_prt_printf, types: [KASAN-USE-AFTER-FREE-READ KASAN-READ] # git bisect bad c21f41f6905be4fc5059a10a5bba94105ba87269 c21f41f6905be4fc5059a10a5bba94105ba87269 is the first bad commit commit c21f41f6905be4fc5059a10a5bba94105ba87269 Author: Kent Overstreet Date: Thu Apr 24 17:55:20 2025 -0400 bcachefs: bch2_dirent_to_text() shows casefolded dirents Signed-off-by: Kent Overstreet fs/bcachefs/dirent.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) accumulated error probability: 0.00 culprit signature: 9e14dcd4336f910198594a22c37dcf01ec657faffe5e284ce69de5e6abcd3fe3 parent signature: 056729a2205549ce3f7f4273a4919d3e6ecdc60b90da97d022e1012e3552f089 revisions tested: 23, total time: 5h54m9.269871517s (build: 2h35m17.819809856s, test: 2h55m48.874597318s) first bad commit: c21f41f6905be4fc5059a10a5bba94105ba87269 bcachefs: bch2_dirent_to_text() shows casefolded dirents recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: KASAN: use-after-free Read in bch2_prt_printf running recovery passes: check_allocations,check_extents_to_backpointers ================================================================== BUG: KASAN: use-after-free in string_nocheck lib/vsprintf.c:639 [inline] BUG: KASAN: use-after-free in string+0x1f7/0x240 lib/vsprintf.c:721 Read of size 1 at addr ffff88812f1f74f7 by task syz.1.18/4921 CPU: 1 UID: 0 PID: 4921 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Call Trace: dump_stack_lvl+0xf4/0x170 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xd2/0x2b0 mm/kasan/report.c:521 kasan_report+0x118/0x150 mm/kasan/report.c:634 string_nocheck lib/vsprintf.c:639 [inline] string+0x1f7/0x240 lib/vsprintf.c:721 vsnprintf+0x734/0xc60 lib/vsprintf.c:2852 bch2_prt_printf+0x1cb/0x860 fs/bcachefs/printbuf.c:183 bch2_dirent_to_text+0x1ee/0xaf0 fs/bcachefs/dirent.c:219 __bch2_bkey_fsck_err+0x329/0x470 fs/bcachefs/error.c:676 bch2_dirent_validate+0x5cb/0xd60 fs/bcachefs/dirent.c:163 bch2_bkey_val_validate+0x1bf/0x3a0 fs/bcachefs/bkey_methods.c:143 btree_node_bkey_val_validate fs/bcachefs/btree_io.c:884 [inline] bch2_btree_node_read_done+0x2fbd/0x48c0 fs/bcachefs/btree_io.c:1297 btree_node_read_work+0x398/0xbd0 fs/bcachefs/btree_io.c:1400 bch2_btree_node_read+0x1e0c/0x22a0 fs/bcachefs/btree_io.c:1818 __bch2_btree_root_read fs/bcachefs/btree_io.c:1859 [inline] bch2_btree_root_read+0x29d/0x690 fs/bcachefs/btree_io.c:1881 read_btree_roots+0x3a3/0x610 fs/bcachefs/recovery.c:586 bch2_fs_recovery+0x19ed/0x2e70 fs/bcachefs/recovery.c:959 bch2_fs_start+0x9c0/0xc60 fs/bcachefs/super.c:1171 bch2_fs_get_tree+0x4d2/0x1130 fs/bcachefs/fs.c:2484 vfs_get_tree+0x84/0x1a0 fs/super.c:1759 do_new_mount+0x1c7/0x850 fs/namespace.c:3884 do_mount fs/namespace.c:4224 [inline] __do_sys_mount fs/namespace.c:4435 [inline] __se_sys_mount+0x218/0x2b0 fs/namespace.c:4412 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x8f/0x180 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8af05038a 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:00007fd8ae6bde68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fd8ae6bdef0 RCX: 00007fd8af05038a RDX: 0000200000000040 RSI: 0000200000004940 RDI: 00007fd8ae6bdeb0 RBP: 0000200000000040 R08: 00007fd8ae6bdef0 R09: 0000000000004000 R10: 0000000000004000 R11: 0000000000000246 R12: 0000200000004940 R13: 00007fd8ae6bdeb0 R14: 000000000000496e R15: 0000200000000000 The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12f1f7 flags: 0x100000000000000(node=0|zone=2) raw: 0100000000000000 ffffea0004bc7dc8 ffffea0004bc7dc8 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffff88812f1f7380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88812f1f7400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88812f1f7480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88812f1f7500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88812f1f7580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================