ci starts bisection 2024-08-04 08:49:38.322662355 +0000 UTC m=+76432.212860286 bisecting fixing commit since be3ca57cfb777ad820c6659d52e60bbdd36bf5ff building syzkaller on 8321139737ed27c82617231b782e88dd1e818227 ensuring issue is reproducible on original commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5d3475b0ce5ec6dbbc10a2cdbaa979ec84ec5ad8121af065bacf231e05df6c3 run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: crashed: WARNING in btrfs_put_block_group run #6: crashed: WARNING in btrfs_put_block_group run #7: crashed: WARNING in btrfs_put_block_group run #8: crashed: WARNING in btrfs_put_block_group run #9: crashed: WARNING in btrfs_put_block_group run #10: crashed: WARNING in btrfs_put_block_group run #11: crashed: WARNING in btrfs_put_block_group run #12: crashed: WARNING in btrfs_put_block_group run #13: crashed: WARNING in btrfs_put_block_group run #14: crashed: WARNING in btrfs_put_block_group run #15: crashed: WARNING in btrfs_put_block_group run #16: crashed: WARNING in btrfs_put_block_group run #17: crashed: WARNING in btrfs_put_block_group run #18: crashed: WARNING in btrfs_put_block_group run #19: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 31a893c5a39d6a6f9da484083bb0bf463b9ee8aa82e3d1cfb9ba9ca007d0b142 run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: OK run #6: OK run #7: OK run #8: crashed: WARNING in btrfs_put_block_group run #9: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4001 full=7663 leaves diff=2022 split chunks (needed=false): <2022> split chunk #0 of len 2022 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b50cdee14d10e697d4257e54ca21df9bef523338b1b15fa05cb9a8a7cfe4918c all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0377abc56f4ad585b9bdcbc2178972d428af196dac6d0edd5d2b56bb39689ddd run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: crashed: WARNING in btrfs_put_block_group run #6: OK run #7: OK run #8: OK run #9: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] 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 be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ba9525f9082574bb51ee1f41cc30d75937b4a3eae3911de15789b67d61363bbe run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: crashed: WARNING in btrfs_put_block_group run #6: crashed: WARNING in btrfs_put_block_group run #7: crashed: WARNING in btrfs_put_block_group run #8: OK run #9: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6940796fc458e1442511df4ec6f073962ae16f5e2eece2240bd3a4042b3b8708 run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: crashed: WARNING in btrfs_put_block_group run #6: crashed: WARNING in btrfs_put_block_group run #7: crashed: WARNING in btrfs_put_block_group run #8: OK run #9: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] 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 be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2d30126a8670c5db5812ddc5a36fb49d8cb438ba368ea3def4459e76e396f34 run #0: crashed: WARNING in btrfs_put_block_group run #1: crashed: WARNING in btrfs_put_block_group run #2: crashed: WARNING in btrfs_put_block_group run #3: crashed: WARNING in btrfs_put_block_group run #4: crashed: WARNING in btrfs_put_block_group run #5: crashed: WARNING in btrfs_put_block_group run #6: crashed: WARNING in btrfs_put_block_group run #7: crashed: WARNING in btrfs_put_block_group run #8: OK run #9: OK representative crash: WARNING in btrfs_put_block_group, types: [WARNING] the chunk can be dropped minimized to 405 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 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 AS_HAS_NON_CONST_LEB128 AS_IS_GNU 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 BASE_FULL BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_FS BCACHEFS_QUOTA 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_DEBUG_FS_ZONED 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_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_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_HS BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED 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 CC_HAS_AUTO_VAR_INIT_ZERO_BARE CC_HAS_UBSAN_BOUNDS_STRICT CC_HAS_ZERO_CALL_USED_REGS CC_NO_ARRAY_BOUNDS 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 CPU_IBPB_ENTRY CPU_IBRS_ENTRY CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRASH_CORE 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_ECC CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_JITTERENTROPY_MEMSIZE_2 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_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 DEBUG_CREDENTIALS 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 ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS SPECULATION_MITIGATIONS 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 testing current HEAD defaf1a2113a22b00dfa1abc0fd2014820eaf065 testing commit defaf1a2113a22b00dfa1abc0fd2014820eaf065 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 98918ec4d03b885a5acca89d262e84516141be99e5a15c16cc05a4f2ceb10106 all runs: crashed: WARNING in btrfs_put_block_group representative crash: WARNING in btrfs_put_block_group, types: [WARNING] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 2h25m48.975033112s (build: 53m44.66615287s, test: 1h27m0.335826309s) crash still not fixed or there were kernel test errors commit msg: Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi crash: WARNING in btrfs_put_block_group ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1893 at fs/btrfs/block-group.c:159 btrfs_put_block_group+0xdd/0x120 fs/btrfs/block-group.c:159 Modules linked in: CPU: 1 UID: 0 PID: 1893 Comm: syz-executor.4 Not tainted 6.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:btrfs_put_block_group+0xdd/0x120 fs/btrfs/block-group.c:159 Code: 0b 90 bf 78 16 00 00 48 03 3b 48 89 de e8 9b 8c 00 00 eb 91 48 81 c3 a8 01 00 00 48 89 df be 03 00 00 00 5b e9 34 3b 2f 00 90 <0f> 0b 90 e9 60 ff ff ff 48 83 c7 1c be 03 00 00 00 e8 1d 3b 2f 00 RSP: 0018:ffffc900018c7d48 EFLAGS: 00010206 RAX: ffff88810d37c000 RBX: ffff88810df49800 RCX: ffff88810df499c0 RDX: 000000000000c5f1 RSI: ffffffff8356c3d0 RDI: ffff88810df49800 RBP: 0000000000000108 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88810d37c180 R13: ffff88810df49800 R14: dead000000000122 R15: ffff88810d37c000 FS: 000055558a5b8480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f64f4200000 CR3: 00000001047fa000 CR4: 0000000000350ef0 Call Trace: btrfs_free_block_groups+0x32a/0x520 fs/btrfs/block-group.c:4464 close_ctree+0x2f3/0x550 fs/btrfs/disk-io.c:4377 generic_shutdown_super+0x73/0x110 fs/super.c:642 kill_anon_super+0x16/0x30 fs/super.c:1237 btrfs_kill_super+0x11/0x20 fs/btrfs/super.c:2117 deactivate_locked_super+0x2f/0x90 fs/super.c:473 cleanup_mnt+0xf8/0x150 fs/namespace.c:1373 task_work_run+0x84/0xb0 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xb6/0x200 kernel/entry/common.c:218 do_syscall_64+0xed/0x220 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9229e7de17 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe3b130b68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9229e7de17 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe3b130c20 RBP: 00007ffe3b130c20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe3b131ce0 R13: 00007f9229ec73b9 R14: 0000000000016cca R15: 0000000000000006