ci2 starts bisection 2023-12-11 15:19:29.914124878 +0000 UTC m=+315927.020046238 bisecting fixing commit since a456e17438819ed77f63d16926f96101ca215f09 building syzkaller on a4ae4f428721da42ac15f07d6f3b54584dedee27 ensuring issue is reproducible on original commit a456e17438819ed77f63d16926f96101ca215f09 testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 83c908bced7bf4f1ff355367ca8a452d0bb8ed482a8cfc8515bd4e0a3e6454e5 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: kernel BUG in btrfs_exclop_balance run #14: crashed: kernel BUG in btrfs_exclop_balance run #15: crashed: kernel BUG in btrfs_exclop_balance run #16: crashed: kernel BUG in btrfs_exclop_balance run #17: crashed: kernel BUG in btrfs_exclop_balance run #18: crashed: kernel BUG in btrfs_exclop_balance run #19: crashed: kernel BUG in btrfs_exclop_balance representative crash: INFO: rcu detected stall in corrupted, types: [HANG BUG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef8fdeae05c311bf0419a1d3f4ba4cebc444ea5f5e380be9862bd8e0308a75b6 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: INFO: rcu detected stall in corrupted run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: INFO: rcu detected stall in corrupted run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=3820 full=7523 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5402e0002a82cacf34215ba4fa99ff3ec4c024fe6fc0d27803196c19285528c9 run #0: crashed: INFO: rcu detected stall in corrupted run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG] testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2c4180e16637b44a32a748c1c8cb8a27ec3f1b155919e78cce7c773276ecf1f2 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: INFO: rcu detected stall in corrupted run #2: crashed: INFO: rcu detected stall in corrupted run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: INFO: rcu detected stall in corrupted run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: INFO: rcu detected stall in corrupted run #7: crashed: INFO: rcu detected stall in corrupted run #8: crashed: INFO: rcu detected stall in corrupted run #9: crashed: INFO: rcu detected stall in corrupted run #10: crashed: INFO: rcu detected stall in corrupted run #11: crashed: INFO: rcu detected stall in corrupted run #12: crashed: INFO: rcu detected stall in corrupted run #13: crashed: INFO: rcu detected stall in corrupted run #14: crashed: INFO: rcu detected stall in corrupted run #15: crashed: INFO: rcu detected stall in corrupted run #16: crashed: kernel BUG in btrfs_exclop_balance run #17: crashed: kernel BUG in btrfs_exclop_balance run #18: crashed: kernel BUG in btrfs_exclop_balance run #19: OK representative crash: INFO: rcu detected stall in corrupted, types: [HANG BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7a2328067325afcd1aa8fb9d5c93ac694752a9a02f90bd46ea79886f870100b5 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: crashed: kernel BUG in btrfs_exclop_balance run #13: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor2849469313" "root@10.128.1.180:./syz-executor2849469313"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.180, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.180 [10.128.1.180] port 22. debug1: connect to address 10.128.1.180 port 22: Connection timed out ssh: connect to host 10.128.1.180 port 22: Connection timed out scp: Connection closed run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8b609ab87cd8fd27137a5ed6f58cbe286397006dfb60eddd03b9fdd80e47a150 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed testing commit a456e17438819ed77f63d16926f96101ca215f09 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc4cdd0ceb9e0e3c14ee0fbc89cbff37f6293f0740d2ca6e9248fd81f9322f0b run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] the chunk can be dropped minimized to 798 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_PLATFORM_PROFILE 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 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_FD 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_MQ_RDMA 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_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_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_HS BT_INTEL BT_LE BT_LEDS 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_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CC_HAS_ZERO_CALL_USED_REGS 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 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_CFB 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_ECB 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_OFB 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_SHA3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 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_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB DLM 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 DRM_CIRRUS_QEMU DRM_DEBUG_MM DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_DRAGONRISE HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IOSCHED_BFQ IP_SCTP ISDN ISDN_CAPI L2TP LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT NFS_V4_1 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NTFS_FS NTFS_RW NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS_COMMON SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STAGING_MEDIA STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed determining the merge base between a456e17438819ed77f63d16926f96101ca215f09 and a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 40811d4731dd7e1a1fa005daefe69c09c3eae4cc0a5c8966eec223e3b8612cf2 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor3327952731" "root@10.128.1.159:./syz-executor3327952731"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.1.159, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.1.159 [10.128.1.159] port 22. debug1: fd 3 clearing O_NONBLOCK debug1: Connection established. debug1: identity file /root/.ssh/id_rsa type -1 debug1: identity file /root/.ssh/id_rsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa type -1 debug1: identity file /root/.ssh/id_ecdsa-cert type -1 debug1: identity file /root/.ssh/id_ecdsa_sk type -1 debug1: identity file /root/.ssh/id_ecdsa_sk-cert type -1 debug1: identity file /root/.ssh/id_ed25519 type -1 debug1: identity file /root/.ssh/id_ed25519-cert type -1 debug1: identity file /root/.ssh/id_ed25519_sk type -1 debug1: identity file /root/.ssh/id_ed25519_sk-cert type -1 debug1: identity file /root/.ssh/id_xmss type -1 debug1: identity file /root/.ssh/id_xmss-cert type -1 debug1: identity file /root/.ssh/id_dsa type -1 debug1: identity file /root/.ssh/id_dsa-cert type -1 debug1: Local version string SSH-2.0-OpenSSH_9.2p1 Debian-2 Connection timed out during banner exchange Connection to 10.128.1.159 port 22 timed out scp: Connection closed run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] testing current HEAD a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 testing commit a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b2617804c94bdaaa3b7eaaf5b2a4af1acf844870b5994d4f6bc9132c3770426 all runs: OK false negative chance: 0.000 # git bisect start a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 47994 revisions left to test after this (roughly 16 steps) [a03a91bd68cb00c615e602cf605e6be12bedaa90] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit a03a91bd68cb00c615e602cf605e6be12bedaa90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7dda33866902b65f31a1da702268b24db1cfa43cc029d80e3afb8d8c4a7609c run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: crashed: kernel BUG in btrfs_exclop_balance run #13: crashed: kernel BUG in btrfs_exclop_balance run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good a03a91bd68cb00c615e602cf605e6be12bedaa90 Bisecting: 24016 revisions left to test after this (roughly 15 steps) [47d154eb2ac4e508555937207031ba062119e371] Merge tag 'libnvdimm-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 47d154eb2ac4e508555937207031ba062119e371 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64a0d4e5c890f91a16579b2efd68defa5676fac683b5d3c1ce7bc57c11c4fa6e all runs: OK false negative chance: 0.000 # git bisect bad 47d154eb2ac4e508555937207031ba062119e371 Bisecting: 12018 revisions left to test after this (roughly 14 steps) [e5c0ca13659e9d18f53368d651ed7e6e433ec1cf] blk-mq: release scheduler resource when request completes determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit e5c0ca13659e9d18f53368d651ed7e6e433ec1cf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bd5f5f1fa5bba16a94987f0fdbbb9054bc3d68084e420e4093ff17fdf10a48a5 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: crashed: kernel BUG in btrfs_exclop_balance run #13: crashed: kernel BUG in btrfs_exclop_balance run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good e5c0ca13659e9d18f53368d651ed7e6e433ec1cf Bisecting: 6908 revisions left to test after this (roughly 13 steps) [68cf01760bc0891074e813b9bb06d2696cac1c01] Merge tag 'v6.6-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 68cf01760bc0891074e813b9bb06d2696cac1c01 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1398d65bc168227a93f2fd3e0dc42885eaa148d5916e40bc3308306a7d92c9d3 all runs: OK false negative chance: 0.000 # git bisect bad 68cf01760bc0891074e813b9bb06d2696cac1c01 Bisecting: 2554 revisions left to test after this (roughly 11 steps) [e9bbd6016947c40728558b7b921c1e77e6193e8b] Merge tag 'mlx5-fixes-2023-08-16' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit e9bbd6016947c40728558b7b921c1e77e6193e8b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ea1ebc1501163842f8618327c91da1378e508eddae622da2c3b1fe5f3b83cee all runs: OK false negative chance: 0.000 # git bisect bad e9bbd6016947c40728558b7b921c1e77e6193e8b Bisecting: 1276 revisions left to test after this (roughly 10 steps) [fe756ad0214619ac01503c37f43ca5b912d760d4] Merge tag '6.5-rc1-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 determine whether the revision contains the guilty commit revision a03a91bd68cb00c615e602cf605e6be12bedaa90 crashed and is reachable testing commit fe756ad0214619ac01503c37f43ca5b912d760d4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f82efde0ad4ed2decc421e2fe7559bb7d67e61384d7b31936a5a33945c364a79 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good fe756ad0214619ac01503c37f43ca5b912d760d4 Bisecting: 636 revisions left to test after this (roughly 9 steps) [2f4effd85fe9228a21bdfd037be006aa9bd7a617] Merge tag 'hwmon-for-v6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 2f4effd85fe9228a21bdfd037be006aa9bd7a617 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4c6c9c45b9f4433e98255b0def0a9a6928b81745e7292fca81942526eba6b657 all runs: OK false negative chance: 0.000 # git bisect bad 2f4effd85fe9228a21bdfd037be006aa9bd7a617 Bisecting: 320 revisions left to test after this (roughly 8 steps) [3c05547a5fab4ca2777afcb61a69ce68f5ef8a6a] Merge tag 'sound-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 3c05547a5fab4ca2777afcb61a69ce68f5ef8a6a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b6064b93cb04dec5f67cd31788abb32b2f54a8001f8e13664bc2cf707f7e044 all runs: OK false negative chance: 0.000 # git bisect bad 3c05547a5fab4ca2777afcb61a69ce68f5ef8a6a Bisecting: 113 revisions left to test after this (roughly 7 steps) [57f1f9dd3abea322173ea75a15887ccf14bbbe51] Merge tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision a03a91bd68cb00c615e602cf605e6be12bedaa90 crashed and is reachable testing commit 57f1f9dd3abea322173ea75a15887ccf14bbbe51 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f820bb6e92b08f494a818f91fff8e421b0ea3ebc390c2e5f50aa58fb5358b8a all runs: OK false negative chance: 0.000 # git bisect bad 57f1f9dd3abea322173ea75a15887ccf14bbbe51 Bisecting: 104 revisions left to test after this (roughly 7 steps) [9b39f758974ff8dfa721e68c6cecfd37e6ddb206] Merge tag 'nf-23-07-20' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 9b39f758974ff8dfa721e68c6cecfd37e6ddb206 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3be4db0731641faa32c014ae3f3c3d75dd9865f8261e3ca8beb07e63a8a0ceab run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: crashed: kernel BUG in btrfs_exclop_balance run #13: crashed: kernel BUG in btrfs_exclop_balance run #14: crashed: kernel BUG in btrfs_exclop_balance run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good 9b39f758974ff8dfa721e68c6cecfd37e6ddb206 Bisecting: 56 revisions left to test after this (roughly 6 steps) [4806364acf770fa1d24ccc98169ca6f5c6979caa] Merge tag 'mm-hotfixes-stable-2023-07-18-12-28' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision a03a91bd68cb00c615e602cf605e6be12bedaa90 crashed and is reachable testing commit 4806364acf770fa1d24ccc98169ca6f5c6979caa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 166b86a09b0a5d11806b4e23f89e820c60f7c65ccb6aec4e1de1e017b3d50065 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: crashed: kernel BUG in btrfs_exclop_balance run #12: crashed: kernel BUG in btrfs_exclop_balance run #13: crashed: kernel BUG in btrfs_exclop_balance run #14: crashed: kernel BUG in btrfs_exclop_balance run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good 4806364acf770fa1d24ccc98169ca6f5c6979caa Bisecting: 29 revisions left to test after this (roughly 5 steps) [2922800a1803f6319e329bdbfd2962fd83eb5360] Merge tag 'regulator-fix-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator determine whether the revision contains the guilty commit revision a03a91bd68cb00c615e602cf605e6be12bedaa90 crashed and is reachable testing commit 2922800a1803f6319e329bdbfd2962fd83eb5360 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 589f275ed9038eb9d2076ea8910ef893aed8bbe9ff0a07becfd349431be58283 run #0: crashed: kernel BUG in btrfs_exclop_balance run #1: crashed: kernel BUG in btrfs_exclop_balance run #2: crashed: kernel BUG in btrfs_exclop_balance run #3: crashed: kernel BUG in btrfs_exclop_balance run #4: crashed: kernel BUG in btrfs_exclop_balance run #5: crashed: kernel BUG in btrfs_exclop_balance run #6: crashed: kernel BUG in btrfs_exclop_balance run #7: crashed: kernel BUG in btrfs_exclop_balance run #8: crashed: kernel BUG in btrfs_exclop_balance run #9: crashed: kernel BUG in btrfs_exclop_balance run #10: crashed: kernel BUG in btrfs_exclop_balance run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in btrfs_exclop_balance, types: [BUG] # git bisect good 2922800a1803f6319e329bdbfd2962fd83eb5360 Bisecting: 13 revisions left to test after this (roughly 4 steps) [69435880cf138484c3012f6c38dcbc5605de39ee] Merge tag 'xfs-6.5-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux determine whether the revision contains the guilty commit revision a03a91bd68cb00c615e602cf605e6be12bedaa90 crashed and is reachable testing commit 69435880cf138484c3012f6c38dcbc5605de39ee gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6c322c378ebe9508f84a4a0ae163fdfac9e9be280a10a9669854f51f506f46e7 all runs: OK false negative chance: 0.000 # git bisect bad 69435880cf138484c3012f6c38dcbc5605de39ee Bisecting: 7 revisions left to test after this (roughly 3 steps) [486c737f7fdc0c3f6464cf27ede811daec2769a1] btrfs: raid56: always verify the P/Q contents for scrub determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 486c737f7fdc0c3f6464cf27ede811daec2769a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64639da83294b136e13194244f185b34b484f9aae47371eca36dcba22a3b6398 all runs: OK false negative chance: 0.000 # git bisect bad 486c737f7fdc0c3f6464cf27ede811daec2769a1 Bisecting: 3 revisions left to test after this (roughly 2 steps) [f1a07c2b4e2c473ec322b8b9ece071b8c88a3512] btrfs: zoned: fix memory leak after finding block group with super blocks determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit f1a07c2b4e2c473ec322b8b9ece071b8c88a3512 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e190aadf343cc2419dadbf9dbc30c99a6d7ceb7ad4e75c7e22529ab51ff740ff all runs: OK false negative chance: 0.000 # git bisect bad f1a07c2b4e2c473ec322b8b9ece071b8c88a3512 Bisecting: 1 revision left to test after this (roughly 1 step) [4e7de35eb7d1a1d4f2dda15f39fbedd4798a0b8d] btrfs: be a bit more careful when setting mirror_num_ret in btrfs_map_block determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 4e7de35eb7d1a1d4f2dda15f39fbedd4798a0b8d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 63e559f7aa45f1bc151ae871ce3dfa98cd0a6de0ac71b5f0f0ffc800061564db all runs: OK false negative chance: 0.000 # git bisect bad 4e7de35eb7d1a1d4f2dda15f39fbedd4798a0b8d Bisecting: 0 revisions left to test after this (roughly 0 steps) [b19c98f237cd76981aaded52c258ce93f7daa8cb] btrfs: fix race between balance and cancel/pause determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit b19c98f237cd76981aaded52c258ce93f7daa8cb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d697e6e72c832bde723165732d7fab91a873157a53d50046f46d2bbd810ff11c all runs: OK false negative chance: 0.000 # git bisect bad b19c98f237cd76981aaded52c258ce93f7daa8cb b19c98f237cd76981aaded52c258ce93f7daa8cb is the first bad commit commit b19c98f237cd76981aaded52c258ce93f7daa8cb Author: Josef Bacik Date: Fri Jun 23 01:05:41 2023 -0400 btrfs: fix race between balance and cancel/pause Syzbot reported a panic that looks like this: assertion failed: fs_info->exclusive_operation == BTRFS_EXCLOP_BALANCE_PAUSED, in fs/btrfs/ioctl.c:465 ------------[ cut here ]------------ kernel BUG at fs/btrfs/messages.c:259! RIP: 0010:btrfs_assertfail+0x2c/0x30 fs/btrfs/messages.c:259 Call Trace: btrfs_exclop_balance fs/btrfs/ioctl.c:465 [inline] btrfs_ioctl_balance fs/btrfs/ioctl.c:3564 [inline] btrfs_ioctl+0x531e/0x5b30 fs/btrfs/ioctl.c:4632 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The reproducer is running a balance and a cancel or pause in parallel. The way balance finishes is a bit wonky, if we were paused we need to save the balance_ctl in the fs_info, but clear it otherwise and cleanup. However we rely on the return values being specific errors, or having a cancel request or no pause request. If balance completes and returns 0, but we have a pause or cancel request we won't do the appropriate cleanup, and then the next time we try to start a balance we'll trip this ASSERT. The error handling is just wrong here, we always want to clean up, unless we got -ECANCELLED and we set the appropriate pause flag in the exclusive op. With this patch the reproducer ran for an hour without tripping, previously it would trip in less than a few minutes. Reported-by: syzbot+c0f3acf145cb465426d5@syzkaller.appspotmail.com CC: stable@vger.kernel.org # 6.1+ Signed-off-by: Josef Bacik Reviewed-by: David Sterba Signed-off-by: David Sterba fs/btrfs/volumes.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) accumulated error probability: 0.00 parent commit 8a4a0b2a3eaf75ca8854f856ef29690c12b2f531 wasn't tested testing commit 8a4a0b2a3eaf75ca8854f856ef29690c12b2f531 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4faf0722b39a783e15346d7971d4bdbe84e7aec6d8f77a7e8a519c2e24f5d28d culprit signature: d697e6e72c832bde723165732d7fab91a873157a53d50046f46d2bbd810ff11c parent signature: 4faf0722b39a783e15346d7971d4bdbe84e7aec6d8f77a7e8a519c2e24f5d28d reproducer is flaky (0.50 repro chance estimate) revisions tested: 26, total time: 8h2m14.738120951s (build: 2h9m6.16440322s, test: 5h43m19.416107524s) first good commit: b19c98f237cd76981aaded52c258ce93f7daa8cb btrfs: fix race between balance and cancel/pause recipients (to): ["dsterba@suse.com" "josef@toxicpanda.com"] recipients (cc): []