ci2 starts bisection 2024-09-15 14:34:28.619025106 +0000 UTC m=+66466.095728799 bisecting cause commit starting from d42f7708e27cc68d080ac9d3803d27e86821d775 building syzkaller on 08d8a73310b526269767424900bc13ab3e0b7ca5 ensuring issue is reproducible on original commit d42f7708e27cc68d080ac9d3803d27e86821d775 testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c38af5b404dde40dfb9e7108dfedbe552e8a7aef901fee8914cf1426c983631 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f3dbb03270a261d5cba5a1b06f77a12b256907ef48fc25ebc5d12c75bb3ef0e all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=4037 full=8130 leaves diff=2107 split chunks (needed=false): <2107> split chunk #0 of len 2107 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4e98eef15adbc4011eadafbbfb7adaef199576ad3c816de18de3748ceff4fda9 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a2fbce7d141f1c465758daa90840b7ee88bc9acb3a03c205da2d3ac43b1f4d6 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4d1e51c05353ef605d9893fbbec7f38f1f93fcee501458b73ddcb2939797d21 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db4404497f4d32c640daaf6033f3f3b91201c5636af12807ee7be0e6fff35491 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit d42f7708e27cc68d080ac9d3803d27e86821d775 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a8027481eb9b07bfcb5f9b01e6300b0e3699c38a3d5a18130c2f1b77dc00faf6 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] the chunk can be dropped minimized to 422 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADDRESS_MASKING ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION 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_USES_PG_UNCACHED ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_CMTP 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 CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CGROUP_BPF CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_DT9812 COMEDI_NI_USB6501 COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF 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_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 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_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW 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_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 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_XCTR CRYPTO_XXHASH 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 DMA_OPS 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_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM DRM_TTM_HELPER DRM_UDL ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed picked [v6.10 v6.9 v6.8 v6.6 v6.4 v6.2 v6.0 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 33 release tags testing release v6.10 testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d91d0f6f7b4e9320cb672492173266e303d63e1b844eedc76a055bedf1078db8 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4446f2fbd1983149b9be4a08a11575924854c16c7bf1a4b6b320f966e45e23f4 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4281dee4dea3b8ddc9ded227bcc4608c00c5f7ed9636286613f83b92535928d5 all runs: crashed: kernel BUG in btrfs_recover_relocation representative crash: kernel BUG in btrfs_recover_relocation, types: [BUG] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5433ab9073cf6efccf08bd40576cae7c7c21327fccca754a1d2ed7efb1184578 all runs: OK false negative chance: 0.000 # git bisect start e8f897f4afef0031fe618a8e94127a0934896aba ffc253263a1375a65fa6c9f62a893e9767fbebfa Bisecting: 17028 revisions left to test after this (roughly 14 steps) [cae0de45c8fd62612e1ee429134fd82c2c0e335e] Merge branch 'net-phylink-improve-phy-validation' testing commit cae0de45c8fd62612e1ee429134fd82c2c0e335e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6515e8055310cdfbc47127b79a6f66c31bf8a052ebb4a96aa8f569e56b6a5bb7 all runs: OK false negative chance: 0.000 # git bisect good cae0de45c8fd62612e1ee429134fd82c2c0e335e Bisecting: 9372 revisions left to test after this (roughly 13 steps) [ba5afb9a84df2e6b26a1b6389b98849cd16ea757] fs: rework listmount() implementation testing commit ba5afb9a84df2e6b26a1b6389b98849cd16ea757 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87c0c1239df058c4b248aa932a2e789346393b5744206bf86ff6fe6b2c9efde7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad ba5afb9a84df2e6b26a1b6389b98849cd16ea757 Bisecting: 3829 revisions left to test after this (roughly 12 steps) [49f4810356f7d4294ad63dc70fe3c65ca3b8ada9] Merge tag 'nfsd-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux testing commit 49f4810356f7d4294ad63dc70fe3c65ca3b8ada9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7befd6411c334425c1ccd62b07a8275eab7cdc874f864edde664bc6efe472783 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad 49f4810356f7d4294ad63dc70fe3c65ca3b8ada9 Bisecting: 1911 revisions left to test after this (roughly 11 steps) [fc5e5c5923407b4b312d999af27aaddbdd33c790] Merge tag 'x86_paravirt_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit fc5e5c5923407b4b312d999af27aaddbdd33c790 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 046d4d5bef3e3ed74af9900998f03d85d02571f4c2661b99cf5cff3f03af55af all runs: OK false negative chance: 0.000 # git bisect good fc5e5c5923407b4b312d999af27aaddbdd33c790 Bisecting: 943 revisions left to test after this (roughly 10 steps) [9f9310bf87348e36a98ffa09c4e285908c14f592] Merge tag 'selinux-pr-20240105' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux testing commit 9f9310bf87348e36a98ffa09c4e285908c14f592 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d1b72fd467a960fc5e55e483f5922fdbc841ef60d2bc4bb55204d9df987a5104 all runs: OK false negative chance: 0.000 # git bisect good 9f9310bf87348e36a98ffa09c4e285908c14f592 Bisecting: 442 revisions left to test after this (roughly 9 steps) [5fda5698c289b2ff21d53d935c43351c424f8388] Merge tag 'platform-drivers-x86-v6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit 5fda5698c289b2ff21d53d935c43351c424f8388 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 550702bc9d338ba161afb3b4645505d02c19e75042416f45fe1edf5734a7ca08 all runs: OK false negative chance: 0.000 # git bisect good 5fda5698c289b2ff21d53d935c43351c424f8388 Bisecting: 222 revisions left to test after this (roughly 8 steps) [12958e9c4c8e93ef694c10960c78453edf21526e] Merge tag 'xfs-6.8-merge-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 12958e9c4c8e93ef694c10960c78453edf21526e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1457fa833ce2844f8b6ec89134bf3381ee0a28fdce5965861884d9e72d666e5 all runs: OK false negative chance: 0.000 # git bisect good 12958e9c4c8e93ef694c10960c78453edf21526e Bisecting: 113 revisions left to test after this (roughly 7 steps) [bfed9a92940bae1fbdaad80b82562ce4e122434a] Merge tag 'gfs2-v6.7-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit bfed9a92940bae1fbdaad80b82562ce4e122434a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8841122393132fd74939f49a22f548d1563df2f7bcf2ae4e4cd2792c7dfdadb7 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad bfed9a92940bae1fbdaad80b82562ce4e122434a Bisecting: 54 revisions left to test after this (roughly 6 steps) [b30aa1c176ba86a035d40c2d2f12dc0e0f687e0e] btrfs: tests: fix error messages for test case 4 of extent map tests testing commit b30aa1c176ba86a035d40c2d2f12dc0e0f687e0e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d59934cf6ece93ce13f741b6c5d1d6c7aeb69cb3ea5796aa589f26a304e7bc44 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad b30aa1c176ba86a035d40c2d2f12dc0e0f687e0e Bisecting: 26 revisions left to test after this (roughly 5 steps) [2aae747a4938c2c3c398ff55aa2ddaf51b135899] btrfs: remove now unneeded btrfs_redirty_list_add testing commit 2aae747a4938c2c3c398ff55aa2ddaf51b135899 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe71d39092bcae9216e15d2f1bab4c67c668789ee9e046e335e7f7aa67951f48 all runs: OK false negative chance: 0.000 # git bisect good 2aae747a4938c2c3c398ff55aa2ddaf51b135899 Bisecting: 13 revisions left to test after this (roughly 4 steps) [17b3612022fe533e70c0a83ea7634069e5ce33f1] btrfs: add parse_param callback for the new mount API testing commit 17b3612022fe533e70c0a83ea7634069e5ce33f1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd23931dbf4f683863c2b061b7bc71aa0b8558398a3509437d7c1b8ab2b29111 all runs: OK false negative chance: 0.000 # git bisect good 17b3612022fe533e70c0a83ea7634069e5ce33f1 Bisecting: 6 revisions left to test after this (roughly 3 steps) [6941823cc87812dba4d02c67f46768cba372970b] btrfs: remove old mount API code testing commit 6941823cc87812dba4d02c67f46768cba372970b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6661d436c78346dec07d571a50c5c0963ace335381052865d1fc21067ad16744 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad 6941823cc87812dba4d02c67f46768cba372970b Bisecting: 3 revisions left to test after this (roughly 2 steps) [3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd] btrfs: add get_tree callback for new mount API testing commit 3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 213b7251a9c981f2a35fc7761e4afafdf25709c8636084c8581fe750215f5a41 all runs: OK false negative chance: 0.000 # git bisect good 3bb17a25bcb09abbd667c6ac86c7c9109ae82bcd Bisecting: 1 revision left to test after this (roughly 1 step) [ad21f15b0f795daf8723dddbcb61797d4f1c2aed] btrfs: switch to the new mount API testing commit ad21f15b0f795daf8723dddbcb61797d4f1c2aed gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 901f0ab186d096862a3bd524bb7e7447b4e7b173537e7c2d14d9dfd0302766cd all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in write_all_supers representative crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers, types: [UNKNOWN] # git bisect bad ad21f15b0f795daf8723dddbcb61797d4f1c2aed Bisecting: 0 revisions left to test after this (roughly 0 steps) [f044b318675f0347ecfb88377542651ba4eb9e1f] btrfs: handle the ro->rw transition for mounting different subvolumes testing commit f044b318675f0347ecfb88377542651ba4eb9e1f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f0c2c4724b2d3d96037f0935b56208e1f0ee208c89274ae96ce4ef3c7d40b681 all runs: OK false negative chance: 0.000 # git bisect good f044b318675f0347ecfb88377542651ba4eb9e1f ad21f15b0f795daf8723dddbcb61797d4f1c2aed is the first bad commit commit ad21f15b0f795daf8723dddbcb61797d4f1c2aed Author: Josef Bacik Date: Wed Nov 22 12:17:50 2023 -0500 btrfs: switch to the new mount API Now that we have all of the parts in place to use the new mount API, switch our fs_type to use the new callbacks. There are a few things that have to be done at the same time because of the order of operations changes that come along with the new mount API. These must be done in the same patch otherwise things will go wrong. 1. Export and use btrfs_check_options in open_ctree(). This is because the options are done ahead of time, and we need to check them once we have the feature flags loaded. 2. Update the free space cache settings. Since we're coming in with the options already set we need to make sure we don't undo what the user has asked for. 3. Set our sb_flags at init_fs_context time, the fs_context stuff is trying to manage the sb_flagss itself, so move that into init_fs_context and out of the fill super part. Additionally I've marked the unused functions with __maybe_unused and will remove them in a future patch. Reviewed-by: Johannes Thumshirn Acked-by: Christian Brauner Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba fs/btrfs/disk-io.c | 11 +++++-- fs/btrfs/super.c | 88 ++++++++++++++++++++++++++++++------------------------ fs/btrfs/super.h | 2 ++ 3 files changed, 60 insertions(+), 41 deletions(-) accumulated error probability: 0.00 culprit signature: 901f0ab186d096862a3bd524bb7e7447b4e7b173537e7c2d14d9dfd0302766cd parent signature: f0c2c4724b2d3d96037f0935b56208e1f0ee208c89274ae96ce4ef3c7d40b681 revisions tested: 26, total time: 4h46m41.107805483s (build: 1h46m6.348514902s, test: 2h50m9.291707226s) first bad commit: ad21f15b0f795daf8723dddbcb61797d4f1c2aed btrfs: switch to the new mount API recipients (to): ["brauner@kernel.org" "dsterba@suse.com" "johannes.thumshirn@wdc.com" "josef@toxicpanda.com"] recipients (cc): [] crash: BUG: unable to handle kernel NULL pointer dereference in write_all_supers workqueue: max_active 2097158 requested for btrfs-endio-write is out of range, clamping between 1 and 512 workqueue: max_active 2097158 requested for btrfs-compressed-write is out of range, clamping between 1 and 512 BTRFS info (device loop0: state MC): resize thread pool 2097158 -> 4 BTRFS info (device loop0: state MC): disabling free space tree BTRFS info (device loop0: state MC): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) BTRFS info (device loop0: state MC): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BUG: kernel NULL pointer dereference, address: 0000000000000018 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 8000000100fc0067 P4D 8000000100fc0067 PUD 107303067 PMD 0 Oops: 0000 [#1] PREEMPT SMP PTI CPU: 0 PID: 3295 Comm: syz.0.15 Not tainted 6.7.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:backup_super_roots fs/btrfs/disk-io.c:1676 [inline] RIP: 0010:write_all_supers+0x225/0xea0 fs/btrfs/disk-io.c:4061 Code: 18 48 8b 5c 24 08 48 8b 11 48 8b 89 20 01 00 00 48 c1 e1 06 4c 01 e1 81 e2 ff 0f 00 00 0f b6 4c 0a 64 43 88 8c 2f 9a 00 00 00 <48> 8b 48 18 48 8b 09 4b 89 4c 2f 50 48 8b 48 18 48 8b 11 48 8b 89 RSP: 0018:ffffc900037f7990 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888106f24000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff837ffc5e RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0005088000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881026a8b2b FS: 00007f1aa53a36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000010aeba000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: btrfs_commit_transaction+0xaa8/0x11f0 fs/btrfs/transaction.c:2567 btrfs_delete_free_space_tree+0x15f/0x200 fs/btrfs/free-space-tree.c:1297 btrfs_start_pre_rw_mount+0x330/0x4b0 fs/btrfs/disk-io.c:2997 btrfs_remount_rw fs/btrfs/super.c:2225 [inline] btrfs_reconfigure+0x3b1/0xca0 fs/btrfs/super.c:2533 btrfs_reconfigure_for_mount fs/btrfs/super.c:3017 [inline] btrfs_get_tree_subvol fs/btrfs/super.c:3076 [inline] btrfs_get_tree+0x29e/0x700 fs/btrfs/super.c:3112 vfs_get_tree+0x2a/0xf0 fs/super.c:1771 do_new_mount+0x15a/0x3a0 fs/namespace.c:3348 do_mount fs/namespace.c:3688 [inline] __do_sys_mount fs/namespace.c:3897 [inline] __se_sys_mount+0x14b/0x1c0 fs/namespace.c:3874 do_syscall_64+0x4d/0x120 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f1aa457def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f1aa53a3038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1aa4735f80 RCX: 00007f1aa457def9 RDX: 0000000020001240 RSI: 0000000020001200 RDI: 00000000200011c0 RBP: 00007f1aa45f0b76 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1aa4735f80 R15: 00007ffde0f654b8 Modules linked in: CR2: 0000000000000018 ---[ end trace 0000000000000000 ]--- RIP: 0010:backup_super_roots fs/btrfs/disk-io.c:1676 [inline] RIP: 0010:write_all_supers+0x225/0xea0 fs/btrfs/disk-io.c:4061 Code: 18 48 8b 5c 24 08 48 8b 11 48 8b 89 20 01 00 00 48 c1 e1 06 4c 01 e1 81 e2 ff 0f 00 00 0f b6 4c 0a 64 43 88 8c 2f 9a 00 00 00 <48> 8b 48 18 48 8b 09 4b 89 4c 2f 50 48 8b 48 18 48 8b 11 48 8b 89 RSP: 0018:ffffc900037f7990 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888106f24000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff837ffc5e RDI: 00000000ffffffff RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0005088000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881026a8b2b FS: 00007f1aa53a36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000018 CR3: 000000010aeba000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 18 48 8b sbb %cl,-0x75(%rax) 3: 5c pop %rsp 4: 24 08 and $0x8,%al 6: 48 8b 11 mov (%rcx),%rdx 9: 48 8b 89 20 01 00 00 mov 0x120(%rcx),%rcx 10: 48 c1 e1 06 shl $0x6,%rcx 14: 4c 01 e1 add %r12,%rcx 17: 81 e2 ff 0f 00 00 and $0xfff,%edx 1d: 0f b6 4c 0a 64 movzbl 0x64(%rdx,%rcx,1),%ecx 22: 43 88 8c 2f 9a 00 00 mov %cl,0x9a(%r15,%r13,1) 29: 00 * 2a: 48 8b 48 18 mov 0x18(%rax),%rcx <-- trapping instruction 2e: 48 8b 09 mov (%rcx),%rcx 31: 4b 89 4c 2f 50 mov %rcx,0x50(%r15,%r13,1) 36: 48 8b 48 18 mov 0x18(%rax),%rcx 3a: 48 8b 11 mov (%rcx),%rdx 3d: 48 rex.W 3e: 8b .byte 0x8b 3f: 89 .byte 0x89