ci2 starts bisection 2024-07-08 19:38:28.406394024 +0000 UTC m=+27039.399131436 bisecting cause commit starting from 256abd8e550ce977b728be79a74e1729438b4948 building syzkaller on cde64f7d2183d8d136abd936a86c41a83757a9fe ensuring issue is reproducible on original commit 256abd8e550ce977b728be79a74e1729438b4948 testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ceea7e59ebb5221f0d0993aa1d54682b65456fa99ad436beaa8198cb20cad68 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6d942242c3a69e950c5c9f17d8e4c311d550e4ad709160d81402a90bba1581a5 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=3993 full=8033 leaves diff=2004 split chunks (needed=false): <2004> split chunk #0 of len 2004 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c821797a84f9adfd020d932cf53894ec5ceef864c5859dd680fa30bcc8e042bf all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6dc076fbf115763d008ca2d392602d4bb713b642c43441cb1d2a0d965c9f6b7b all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 58144a2e6ec75cdb6c52c0aa65ec7ab17ff3bd31d105b1cb1f3291b11a7f1415 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d091cbc0f707386847eb3a8502a8605f77c7f5f90b9284e9c6a56e9a0d40bf48 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 256abd8e550ce977b728be79a74e1729438b4948 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbdf4940722012c94b19c20edf1624e619cf37a79442fd68cee014102fc4ae61 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] the chunk can be dropped minimized to 401 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 AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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_INTEGRITY_T10 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_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_HIDP BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK 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_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_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_BQ24190 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_MBYTES 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_CHACHA20 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_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_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SHA1_SSSE3 CRYPTO_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_BOCHS DRM_BUDDY ENCRYPTED_KEYS EXTCON 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 [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed picked [v6.9 v6.8 v6.7 v6.5 v6.3 v6.1 v5.19 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 32 release tags 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: 3c72b4bfc1ff656c9dcc2c1d9a7e43bd3d844f8cb2ef9a80663b1b3c7982242b all runs: OK false negative chance: 0.000 # git bisect start 256abd8e550ce977b728be79a74e1729438b4948 a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 Bisecting: 6913 revisions left to test after this (roughly 13 steps) [33e02dc69afbd8f1b85a51d74d72f139ba4ca623] Merge tag 'sound-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 33e02dc69afbd8f1b85a51d74d72f139ba4ca623 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 082acd2da3e5a857f32f41ae4a598b6ed58b2100b305cd195f69e536b3214c5c all runs: OK false negative chance: 0.000 # git bisect good 33e02dc69afbd8f1b85a51d74d72f139ba4ca623 Bisecting: 3543 revisions left to test after this (roughly 12 steps) [4865a27c66fda6a32511ec5492f4bbec437f512d] Merge tag 'bitmap-for-6.10v2' of https://github.com/norov/linux testing commit 4865a27c66fda6a32511ec5492f4bbec437f512d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a8493bc9d1fa9c98e8508325eba5726bbae811c626d16e46c0e8cf4a8ab691b all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] # git bisect bad 4865a27c66fda6a32511ec5492f4bbec437f512d Bisecting: 1744 revisions left to test after this (roughly 11 steps) [0450d2083be6bdcd18c9535ac50c55266499b2df] Merge tag '6.10-rc-smb-fix' of git://git.samba.org/sfrench/cifs-2.6 testing commit 0450d2083be6bdcd18c9535ac50c55266499b2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cf8233ea6bb1b5b8c9c7d3dafc14d4ec01aeada91110389652962f22c48df95f all runs: OK false negative chance: 0.000 # git bisect good 0450d2083be6bdcd18c9535ac50c55266499b2df Bisecting: 871 revisions left to test after this (roughly 10 steps) [6e51b4b5bbc07e52b226017936874715629932d1] Merge tag 'mips_6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux testing commit 6e51b4b5bbc07e52b226017936874715629932d1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 577a757cd5ea74da05c2a3250c4addf4d1360116081712f0ea637a64975e2c32 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] # git bisect bad 6e51b4b5bbc07e52b226017936874715629932d1 Bisecting: 438 revisions left to test after this (roughly 9 steps) [61307b7be41a1f1039d1d1368810a1d92cb97b44] Merge tag 'mm-stable-2024-05-17-19-19' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 61307b7be41a1f1039d1d1368810a1d92cb97b44 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2375e2eeca8d87bd3f09acd90388d6a585558689164c30859774d3299367e0c3 all runs: OK false negative chance: 0.000 # git bisect good 61307b7be41a1f1039d1d1368810a1d92cb97b44 Bisecting: 231 revisions left to test after this (roughly 8 steps) [16dbfae867cdeb32f3d24cea81193793d5decc61] Merge tag 'bcachefs-2024-05-19' of https://evilpiepirate.org/git/bcachefs testing commit 16dbfae867cdeb32f3d24cea81193793d5decc61 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 23bebb6b12fe4a915c12e2a1b0c3e69660cf6e51f1f765f3084f5d8268a6bb3f all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] # git bisect bad 16dbfae867cdeb32f3d24cea81193793d5decc61 Bisecting: 103 revisions left to test after this (roughly 7 steps) [13a16dabde3394350a877a6a11a90887ca899668] bcachefs: bch2_dev_btree_bitmap_marked() -> bch2_dev_rcu() testing commit 13a16dabde3394350a877a6a11a90887ca899668 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2cd3e15052669937e65d26bb5454fab1cca8899b9904d00d02c5e81f1f26c74e all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] # git bisect bad 13a16dabde3394350a877a6a11a90887ca899668 Bisecting: 51 revisions left to test after this (roughly 6 steps) [60f2b1bcf519416dbffee219132aa949d0c39d0e] bcachefs: Add asserts to bch2_dev_btree_bitmap_marked_sectors() testing commit 60f2b1bcf519416dbffee219132aa949d0c39d0e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 65c516708eda5aa29c337d110f9010c2b30d553b953a2b5c63ce87ea50733fc9 all runs: OK false negative chance: 0.000 # git bisect good 60f2b1bcf519416dbffee219132aa949d0c39d0e Bisecting: 25 revisions left to test after this (roughly 5 steps) [45150765d307c1043baa68aff53cb6fa5ba34603] bcachefs: bch_member.last_journal_bucket testing commit 45150765d307c1043baa68aff53cb6fa5ba34603 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 336b8f023279fc1bfeb0a0d146aef7476c347fdce264b849d292b46d3a7b0e52 all runs: crashed: WARNING: suspicious RCU usage in bch2_bucket_ref_update representative crash: WARNING: suspicious RCU usage in bch2_bucket_ref_update, types: [LOCKDEP] # git bisect bad 45150765d307c1043baa68aff53cb6fa5ba34603 Bisecting: 12 revisions left to test after this (roughly 4 steps) [c4e8db2b5d31fc488c644019b99bf41fd616895f] bcachefs: bucket_data_type_mismatch() testing commit c4e8db2b5d31fc488c644019b99bf41fd616895f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87ca9b4ffc1640e1ee2dff342ae572918af53a29c939ccbd534982ca196329b6 all runs: crashed: WARNING: suspicious RCU usage in bch2_check_bucket_ref representative crash: WARNING: suspicious RCU usage in bch2_check_bucket_ref, types: [LOCKDEP] # git bisect bad c4e8db2b5d31fc488c644019b99bf41fd616895f Bisecting: 6 revisions left to test after this (roughly 3 steps) [103304021e54bfb5cab9ba04cd5ef0dc2bf33888] bcachefs: Move gc of bucket.oldest_gen to workqueue testing commit 103304021e54bfb5cab9ba04cd5ef0dc2bf33888 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21b0b4d987c2175ea9f2e8d2fff5c5b97127a10ffc6eb27abd05a6f6598ce5b8 all runs: crashed: WARNING: suspicious RCU usage in bch2_check_bucket_ref representative crash: WARNING: suspicious RCU usage in bch2_check_bucket_ref, types: [LOCKDEP] # git bisect bad 103304021e54bfb5cab9ba04cd5ef0dc2bf33888 Bisecting: 2 revisions left to test after this (roughly 2 steps) [f7643bc9749f270d487c32dc35b578575bf1adb0] bcachefs: make btree read errors silent during scan testing commit f7643bc9749f270d487c32dc35b578575bf1adb0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d9485c930a2c63bbd51efd571fafe5d41f78018f4f16dbdf449990afaec24fea all runs: crashed: WARNING: suspicious RCU usage in bch2_check_bucket_ref representative crash: WARNING: suspicious RCU usage in bch2_check_bucket_ref, types: [LOCKDEP] # git bisect bad f7643bc9749f270d487c32dc35b578575bf1adb0 Bisecting: 0 revisions left to test after this (roughly 1 step) [5a2d15213d3187ed3b059a2ec8865aa9172fd3a2] bcachefs: Rip bch2_snapshot_equiv() out of fsck testing commit 5a2d15213d3187ed3b059a2ec8865aa9172fd3a2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0fbfa89e9f5cc7b4e3f78f4ebd1498b2064d3da8fc4f6973c1e1fd2faa0337bc all runs: OK false negative chance: 0.000 # git bisect good 5a2d15213d3187ed3b059a2ec8865aa9172fd3a2 f7643bc9749f270d487c32dc35b578575bf1adb0 is the first bad commit commit f7643bc9749f270d487c32dc35b578575bf1adb0 Author: Kent Overstreet Date: Wed Apr 17 01:26:02 2024 -0400 bcachefs: make btree read errors silent during scan Signed-off-by: Kent Overstreet fs/bcachefs/btree_io.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) accumulated error probability: 0.00 culprit signature: d9485c930a2c63bbd51efd571fafe5d41f78018f4f16dbdf449990afaec24fea parent signature: 0fbfa89e9f5cc7b4e3f78f4ebd1498b2064d3da8fc4f6973c1e1fd2faa0337bc revisions tested: 21, total time: 3h47m51.384280957s (build: 1h32m42.382399347s, test: 2h5m37.693107911s) first bad commit: f7643bc9749f270d487c32dc35b578575bf1adb0 bcachefs: make btree read errors silent during scan recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: WARNING: suspicious RCU usage in bch2_check_bucket_ref bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): going read-write bcachefs (loop0): journal_replay... done bcachefs (loop0): resume_logged_ops... done bcachefs (loop0): delete_dead_inodes... done bcachefs (loop0): done starting filesystem ============================= WARNING: suspicious RCU usage 6.9.0-rc6-syzkaller #0 Not tainted ----------------------------- fs/bcachefs/buckets.h:111 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 9 locks held by syz.0.15/3242: #0: ffff888100fea3f8 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x12/0x40 fs/namespace.c:409 #1: ffff888100fea708 (&type->s_vfs_rename_key){+.+.}-{3:3}, at: lock_rename fs/namei.c:3070 [inline] #1: ffff888100fea708 (&type->s_vfs_rename_key){+.+.}-{3:3}, at: do_renameat2+0x299/0x620 fs/namei.c:4972 #2: ffff88817dbd8150 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline] #2: ffff88817dbd8150 (&type->i_mutex_dir_key#8/1){+.+.}-{3:3}, at: lock_two_directories+0x8f/0x100 fs/namei.c:3036 #3: ffff88817dbd8820 (&type->i_mutex_dir_key#8/5){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:830 [inline] #3: ffff88817dbd8820 (&type->i_mutex_dir_key#8/5){+.+.}-{3:3}, at: lock_two_directories+0xa0/0x100 fs/namei.c:3037 #4: ffff88817a384250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #4: ffff88817a384250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #4: ffff88817a384250 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x29a/0x320 fs/bcachefs/btree_iter.c:3185 #5: ffff88810cb45070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #5: ffff88810cb45070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x58/0x1e0 fs/bcachefs/btree_locking.c:506 #6: ffff88810cb45070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #6: ffff88810cb45070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x18a/0x1e0 fs/bcachefs/btree_locking.c:508 #7: ffff88817dba2a48 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #7: ffff88817dba2a48 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x58/0x1e0 fs/bcachefs/btree_locking.c:506 #8: ffff88810cb46070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #8: ffff88810cb46070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x58/0x1e0 fs/bcachefs/btree_locking.c:506 stack backtrace: CPU: 1 PID: 3242 Comm: syz.0.15 Not tainted 6.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xa3/0x100 lib/dump_stack.c:114 lockdep_rcu_suspicious+0x15e/0x1b0 kernel/locking/lockdep.c:6712 bucket_gens fs/bcachefs/buckets.h:107 [inline] bucket_gen fs/bcachefs/buckets.h:116 [inline] bch2_check_bucket_ref+0x45d/0x570 fs/bcachefs/buckets.c:541 __mark_pointer fs/bcachefs/buckets.c:735 [inline] bch2_trigger_pointer fs/bcachefs/buckets.c:772 [inline] __trigger_extent+0x81b/0x1d30 fs/bcachefs/buckets.c:921 bch2_trigger_extent+0x1fc/0x270 fs/bcachefs/buckets.c:1003 bch2_key_trigger fs/bcachefs/bkey_methods.h:88 [inline] bch2_key_trigger_old fs/bcachefs/bkey_methods.h:102 [inline] run_one_trans_trigger fs/bcachefs/btree_trans_commit.c:514 [inline] run_btree_triggers+0x23d/0x4b0 fs/bcachefs/btree_trans_commit.c:544 bch2_trans_commit_run_triggers fs/bcachefs/btree_trans_commit.c:576 [inline] __bch2_trans_commit+0xb0/0x1cd0 fs/bcachefs/btree_trans_commit.c:1022 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] bch2_inode_delete_keys+0x2e6/0x370 fs/bcachefs/inode.c:845 bch2_inode_rm+0x159/0x520 fs/bcachefs/inode.c:874 bch2_evict_inode+0xc1/0x120 fs/bcachefs/fs.c:1565 evict+0xd1/0x2a0 fs/inode.c:667 __dentry_kill+0xa2/0x1d0 fs/dcache.c:603 dput+0xff/0x1c0 fs/dcache.c:845 do_renameat2+0x492/0x620 fs/namei.c:5039 __do_sys_renameat2 fs/namei.c:5071 [inline] __se_sys_renameat2 fs/namei.c:5068 [inline] __x64_sys_renameat2+0x4f/0x60 fs/namei.c:5068 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xa2/0x1b0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5ddc775bd9 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:00007f5ddd614048 EFLAGS: 00000246 ORIG_RAX: 000000000000013c RAX: ffffffffffffffda RBX: 00007f5ddc903f60 RCX: 00007f5ddc775bd9 RDX: 0000000000000004 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f5ddc7e4e60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000980 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f5ddc903f60 R15: 00007ffcff0cf698 bucket 0:34 gen 7 (mem gen 0) data type user: stale dirty ptr (gen 0) while marking u64s 7 type extent 536870913:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum crc32c compress incompressible ptr: 0:34:0 gen 0, shutting down bcachefs (loop0): inconsistency detected - emergency read only at journal seq 12 transaction updates for bch2_inode_rm journal seq 0 update: btree=extents cached=0 bch2_btree_insert_nonextent fs/bcachefs/btree_update.c:634 [inline] update: btree=extents cached=0 bch2_trans_update_extent_overwrite+0xaa6/0xe20 fs/bcachefs/btree_update.c:262 old u64s 7 type extent 536870913:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum crc32c compress incompressible ptr: 0:34:0 gen 0 new u64s 5 type deleted 536870913:8:U32_MAX len 0 ver 0 syz.0.15 (3242) used greatest stack depth: 10480 bytes left