./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor502283811 <...> Warning: Permanently added '10.128.0.56' (ECDSA) to the list of known hosts. execve("./syz-executor502283811", ["./syz-executor502283811"], 0x7ffe5f5cc620 /* 10 vars */) = 0 brk(NULL) = 0x5555556c9000 brk(0x5555556c9c40) = 0x5555556c9c40 arch_prctl(ARCH_SET_FS, 0x5555556c9300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor502283811", 4096) = 27 brk(0x5555556eac40) = 0x5555556eac40 brk(0x5555556eb000) = 0x5555556eb000 mprotect(0x7f63b5e91000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 getpid() = 5004 mkdir("./syzkaller.5vqpgB", 0700) = 0 chmod("./syzkaller.5vqpgB", 0777) = 0 chdir("./syzkaller.5vqpgB") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555556c95d0) = 5005 ./strace-static-x86_64: Process 5005 attached [pid 5005] chdir("./0") = 0 [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5005] setpgid(0, 0) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5005] write(3, "1000", 4) = 4 [pid 5005] close(3) = 0 [pid 5005] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5005] memfd_create("syzkaller", 0) = 3 [pid 5005] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f63ad9d0000 [ 78.158710][ T5005] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5005 'syz-executor502' [pid 5005] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5005] munmap(0x7f63ad9d0000, 16777216) = 0 [pid 5005] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5005] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5005] close(3) = 0 [pid 5005] mkdir("./bus", 0777) = 0 [ 78.394859][ T5005] loop0: detected capacity change from 0 to 32768 [ 78.408227][ T5005] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor502 (5005) [ 78.430325][ T5005] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 78.439338][ T5005] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 78.450210][ T5005] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 78.461084][ T5005] BTRFS warning (device loop0): excessive commit interval 622039222 [ 78.469146][ T5005] BTRFS info (device loop0): force zlib compression, level 3 [ 78.476649][ T5005] BTRFS info (device loop0): using free space tree [pid 5005] mount("/dev/loop0", "./bus", "btrfs", MS_DIRSYNC, "user_subvol_rm_allowed,noinode_cache,inode_cache,commit=0x00000000251390b6,compress-force,noacl,tree"...) = 0 [pid 5005] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5005] chdir("./bus") = 0 [pid 5005] ioctl(4, LOOP_CLR_FD) = 0 [pid 5005] close(4) = 0 [ 78.501894][ T5005] BTRFS info (device loop0): enabling ssd optimizations [ 78.509094][ T5005] BTRFS info (device loop0): auto enabling async discard [pid 5005] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4 [pid 5005] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 5 [pid 5005] write(5, "6", 1) = 1 [ 78.537051][ T27] audit: type=1800 audit(1684692026.860:2): pid=5005 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor502" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 78.888211][ T5005] FAULT_INJECTION: forcing a failure. [ 78.888211][ T5005] name failslab, interval 1, probability 0, space 0, times 1 [ 78.901109][ T5005] CPU: 1 PID: 5005 Comm: syz-executor502 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 78.911035][ T5005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 78.921134][ T5005] Call Trace: [ 78.924453][ T5005] [ 78.927396][ T5005] dump_stack_lvl+0x136/0x150 [ 78.932232][ T5005] should_fail_ex+0x4a3/0x5b0 [ 78.936964][ T5005] should_failslab+0x9/0x20 [ 78.941512][ T5005] kmem_cache_alloc+0x63/0x3b0 [ 78.946327][ T5005] btrfs_alloc_tree_block+0xbbb/0x1480 [ 78.951852][ T5005] ? btrfs_alloc_logged_file_extent+0x600/0x600 [ 78.958158][ T5005] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 78.964198][ T5005] __btrfs_cow_block+0x3b2/0x1690 [ 78.969296][ T5005] ? update_ref_for_cow+0xaa0/0xaa0 [ 78.974536][ T5005] ? btrfs_qgroup_add_swapped_blocks+0x980/0x980 [ 78.981096][ T5005] ? down_write_nested+0x153/0x200 [ 78.986261][ T5005] ? down_read_killable_nested+0x4f0/0x4f0 [ 78.992147][ T5005] btrfs_cow_block+0x2fa/0x820 [ 78.996998][ T5005] btrfs_search_slot+0x11c6/0x2da0 [ 79.002164][ T5005] ? balance_level+0x1f20/0x1f20 [ 79.007139][ T5005] ? btrfs_global_root+0xf5/0x120 [ 79.012193][ T5005] ? btrfs_extent_root+0x13f/0x1a0 [ 79.017324][ T5005] ? btrfs_csum_root+0x1a0/0x1a0 [ 79.022279][ T5005] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 79.028309][ T5005] ? find_held_lock+0x2d/0x110 [ 79.033134][ T5005] lookup_inline_extent_backref+0x311/0x1210 [ 79.039164][ T5005] ? hash_extent_data_ref+0xf0/0xf0 [ 79.044407][ T5005] ? fs_reclaim_acquire+0xba/0x160 [ 79.049576][ T5005] lookup_extent_backref+0x46/0x110 [ 79.054814][ T5005] __btrfs_free_extent+0x234/0x2d40 [ 79.060077][ T5005] ? lookup_extent_backref+0x110/0x110 [ 79.065603][ T5005] ? __btrfs_run_delayed_refs+0x539/0x3770 [ 79.071441][ T5005] ? lock_downgrade+0x690/0x690 [ 79.076335][ T5005] ? _raw_read_unlock+0x28/0x40 [ 79.081221][ T5005] ? btrfs_tree_mod_log_lowest_seq+0x86/0xb0 [ 79.087235][ T5005] ? btrfs_merge_delayed_refs+0x41e/0x560 [ 79.093009][ T5005] __btrfs_run_delayed_refs+0x151d/0x3770 [ 79.098780][ T5005] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 79.104799][ T5005] ? check_ref_cleanup+0x3e0/0x3e0 [ 79.110148][ T5005] ? lock_sync+0x190/0x190 [ 79.114601][ T5005] ? rcu_is_watching+0x12/0xb0 [ 79.119405][ T5005] btrfs_run_delayed_refs+0x19a/0x540 [ 79.124856][ T5005] ? btrfs_commit_transaction+0x136/0x3f90 [ 79.130708][ T5005] btrfs_commit_transaction+0x80d/0x3f90 [ 79.136375][ T5005] ? join_transaction+0x3e0/0x1050 [ 79.141509][ T5005] ? lock_acquire+0x32/0xc0 [ 79.146052][ T5005] ? join_transaction+0x3e0/0x1050 [ 79.151223][ T5005] ? create_pending_snapshots+0x2c0/0x2c0 [ 79.157020][ T5005] ? start_transaction+0x2aa/0x14c0 [ 79.162284][ T5005] btrfs_sync_fs+0x132/0x730 [ 79.166994][ T5005] ? __bpf_trace_btrfs__reserve_extent+0xf0/0xf0 [ 79.173460][ T5005] sync_fs_one_sb+0x10b/0x150 [ 79.178194][ T5005] iterate_supers+0x140/0x2a0 [ 79.182928][ T5005] ? vfs_fsync_range+0x230/0x230 [ 79.187916][ T5005] ksys_sync+0xac/0x150 [ 79.192134][ T5005] ? vfs_fsync+0x1f0/0x1f0 [ 79.196625][ T5005] ? lockdep_hardirqs_on+0x7d/0x100 [ 79.201878][ T5005] ? _raw_spin_unlock_irq+0x2e/0x50 [ 79.207114][ T5005] ? ptrace_notify+0xfe/0x140 [ 79.211916][ T5005] ? syscall_trace_enter.constprop.0+0xb0/0x1e0 [ 79.218204][ T5005] __do_sys_sync+0xe/0x20 [ 79.222596][ T5005] do_syscall_64+0x39/0xb0 [ 79.227093][ T5005] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.233046][ T5005] RIP: 0033:0x7f63b5e1d9d9 [ 79.237523][ T5005] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48 [ 79.257171][ T5005] RSP: 002b:00007ffe0aa90248 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 [ 79.265639][ T5005] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f63b5e1d9d9 [ 79.273633][ T5005] RDX: 0000000000000270 RSI: 000000000000ffc2 RDI: 00007ffe0aa90270 [ 79.281623][ T5005] RBP: 00007ffe0aa90270 R08: 0000000000000001 R09: 00007ffe0aa90280 [ 79.289606][ T5005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 79.297603][ T5005] R13: 00007ffe0aa902b0 R14: 00007ffe0aa90290 R15: 0000000000000000 [ 79.305634][ T5005] [ 79.311626][ T5005] BTRFS: error (device loop0: state A) in __btrfs_free_extent:3056: errno=-12 Out of memory [ 79.322103][ T5005] BTRFS info (device loop0: state EA): forced readonly [ 79.329278][ T5005] BTRFS error (device loop0: state EA): failed to run delayed ref for logical 5255168 num_bytes 4096 type 176 action 2 ref_mod 1: -12 [ 79.343250][ T5005] BTRFS: error (device loop0: state EA) in btrfs_run_delayed_refs:2124: errno=-12 Out of memory [pid 5005] sync() = 0 [pid 5005] exit_group(0) = ? [pid 5005] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5005, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=37 /* 0.37 s */} --- umount2("./0", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555556ca620 /* 4 entries */, 32768) = 104 [ 79.476133][ T5004] ------------[ cut here ]------------ [ 79.481760][ T5004] WARNING: CPU: 1 PID: 5004 at fs/btrfs/space-info.h:198 btrfs_block_rsv_release+0x671/0x810 [ 79.492438][ T5004] Modules linked in: [ 79.496505][ T5004] CPU: 1 PID: 5004 Comm: syz-executor502 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 79.506490][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 79.516613][ T5004] RIP: 0010:btrfs_block_rsv_release+0x671/0x810 [ 79.522912][ T5004] Code: c1 ea 03 80 3c 02 00 0f 85 8f 01 00 00 4d 8b 6e 60 48 89 de 4c 89 ef e8 0d 73 fb fd 49 39 dd 0f 83 65 ff ff ff e8 3f 77 fb fd <0f> 0b 45 31 ed e9 5e ff ff ff e8 30 77 fb fd 49 8d 7e 18 be ff ff [ 79.542719][ T5004] RSP: 0018:ffffc9000398faf0 EFLAGS: 00010293 [ 79.548907][ T5004] RAX: 0000000000000000 RBX: 0000000000160000 RCX: 0000000000000000 [ 79.557007][ T5004] RDX: ffff888027093b80 RSI: ffffffff8388ac71 RDI: 0000000000000006 [ 79.565061][ T5004] RBP: ffff88802c530000 R08: 0000000000000006 R09: 000000000015f000 [ 79.573077][ T5004] R10: 0000000000160000 R11: 0000000000000005 R12: 0000000000160000 [ 79.581140][ T5004] R13: 000000000015f000 R14: ffff88807ce5c000 R15: 0000000000160000 [ 79.589178][ T5004] FS: 00005555556c9300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 79.598205][ T5004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.604851][ T5004] CR2: 00005555556d2628 CR3: 0000000029da9000 CR4: 00000000003506e0 [ 79.612854][ T5004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.620913][ T5004] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.629018][ T5004] Call Trace: [ 79.632335][ T5004] [ 79.635350][ T5004] btrfs_release_global_block_rsv+0x26/0x2e0 [ 79.641423][ T5004] btrfs_free_block_groups+0xa0c/0x11d0 [ 79.647079][ T5004] ? free_root_pointers+0x6fe/0x980 [ 79.652327][ T5004] close_ctree+0x550/0xda0 [ 79.656847][ T5004] ? do_raw_spin_unlock+0x175/0x230 [ 79.662112][ T5004] ? btrfs_cleanup_transaction.isra.0+0x11a0/0x11a0 [ 79.668807][ T5004] ? collect_domain_accesses+0x910/0x910 [ 79.674558][ T5004] ? __fsnotify_vfsmount_delete+0x20/0x20 [ 79.680315][ T5004] ? dispose_list+0x1e0/0x1e0 [ 79.685109][ T5004] ? fscrypt_destroy_keyring+0x1a/0x350 [ 79.690711][ T5004] ? btrfs_set_super+0x70/0x70 [ 79.695596][ T5004] generic_shutdown_super+0x158/0x480 [ 79.701057][ T5004] kill_anon_super+0x3a/0x60 [ 79.705761][ T5004] btrfs_kill_super+0x3c/0x50 [ 79.710484][ T5004] deactivate_locked_super+0x98/0x160 [ 79.715974][ T5004] deactivate_super+0xb1/0xd0 [ 79.720716][ T5004] cleanup_mnt+0x2ae/0x3d0 [ 79.725215][ T5004] task_work_run+0x16f/0x270 [ 79.729854][ T5004] ? task_work_cancel+0x30/0x30 [ 79.734799][ T5004] ? __x64_sys_umount+0x118/0x190 [ 79.739910][ T5004] ptrace_notify+0x118/0x140 [ 79.744587][ T5004] syscall_exit_to_user_mode_prepare+0x129/0x220 [ 79.750966][ T5004] syscall_exit_to_user_mode+0xd/0x50 [ 79.756468][ T5004] do_syscall_64+0x46/0xb0 [ 79.760951][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 79.766935][ T5004] RIP: 0033:0x7f63b5e1ed77 [ 79.771389][ T5004] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 79.791173][ T5004] RSP: 002b:00007ffe0aa8f158 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 79.799679][ T5004] RAX: 0000000000000000 RBX: 0000000000013109 RCX: 00007f63b5e1ed77 [ 79.807741][ T5004] RDX: 00007ffe0aa8f217 RSI: 000000000000000a RDI: 00007ffe0aa8f210 [ 79.815827][ T5004] RBP: 00007ffe0aa8f210 R08: 00000000ffffffff R09: 00007ffe0aa8eff0 [ 79.823896][ T5004] R10: 00005555556ca633 R11: 0000000000000202 R12: 00007ffe0aa90290 [ 79.831947][ T5004] R13: 00005555556ca5f0 R14: 00007ffe0aa8f180 R15: 0000000000000001 [ 79.840219][ T5004] [ 79.843267][ T5004] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 79.850569][ T5004] CPU: 1 PID: 5004 Comm: syz-executor502 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 [ 79.860470][ T5004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 79.870552][ T5004] Call Trace: [ 79.873842][ T5004] [ 79.876789][ T5004] dump_stack_lvl+0xd9/0x150 [ 79.881515][ T5004] panic+0x686/0x730 [ 79.885448][ T5004] ? panic_smp_self_stop+0xa0/0xa0 [ 79.890592][ T5004] ? show_trace_log_lvl+0x285/0x390 [ 79.895847][ T5004] ? btrfs_block_rsv_release+0x671/0x810 [ 79.901508][ T5004] check_panic_on_warn+0xb1/0xc0 [ 79.906479][ T5004] __warn+0xf2/0x390 [ 79.910493][ T5004] ? btrfs_block_rsv_release+0x671/0x810 [ 79.916155][ T5004] report_bug+0x2da/0x500 [ 79.920522][ T5004] handle_bug+0x3c/0x70 [ 79.924694][ T5004] exc_invalid_op+0x18/0x50 [ 79.929253][ T5004] asm_exc_invalid_op+0x1a/0x20 [ 79.934219][ T5004] RIP: 0010:btrfs_block_rsv_release+0x671/0x810 [ 79.940489][ T5004] Code: c1 ea 03 80 3c 02 00 0f 85 8f 01 00 00 4d 8b 6e 60 48 89 de 4c 89 ef e8 0d 73 fb fd 49 39 dd 0f 83 65 ff ff ff e8 3f 77 fb fd <0f> 0b 45 31 ed e9 5e ff ff ff e8 30 77 fb fd 49 8d 7e 18 be ff ff [ 79.960241][ T5004] RSP: 0018:ffffc9000398faf0 EFLAGS: 00010293 [ 79.966339][ T5004] RAX: 0000000000000000 RBX: 0000000000160000 RCX: 0000000000000000 [ 79.974333][ T5004] RDX: ffff888027093b80 RSI: ffffffff8388ac71 RDI: 0000000000000006 [ 79.982411][ T5004] RBP: ffff88802c530000 R08: 0000000000000006 R09: 000000000015f000 [ 79.990403][ T5004] R10: 0000000000160000 R11: 0000000000000005 R12: 0000000000160000 [ 79.998412][ T5004] R13: 000000000015f000 R14: ffff88807ce5c000 R15: 0000000000160000 [ 80.006436][ T5004] ? btrfs_block_rsv_release+0x671/0x810 [ 80.012137][ T5004] btrfs_release_global_block_rsv+0x26/0x2e0 [ 80.018165][ T5004] btrfs_free_block_groups+0xa0c/0x11d0 [ 80.023764][ T5004] ? free_root_pointers+0x6fe/0x980 [ 80.029010][ T5004] close_ctree+0x550/0xda0 [ 80.033468][ T5004] ? do_raw_spin_unlock+0x175/0x230 [ 80.038904][ T5004] ? btrfs_cleanup_transaction.isra.0+0x11a0/0x11a0 [ 80.045649][ T5004] ? collect_domain_accesses+0x910/0x910 [ 80.051347][ T5004] ? __fsnotify_vfsmount_delete+0x20/0x20 [ 80.057127][ T5004] ? dispose_list+0x1e0/0x1e0 [ 80.061881][ T5004] ? fscrypt_destroy_keyring+0x1a/0x350 [ 80.067480][ T5004] ? btrfs_set_super+0x70/0x70 [ 80.072305][ T5004] generic_shutdown_super+0x158/0x480 [ 80.077726][ T5004] kill_anon_super+0x3a/0x60 [ 80.082358][ T5004] btrfs_kill_super+0x3c/0x50 [ 80.087071][ T5004] deactivate_locked_super+0x98/0x160 [ 80.092484][ T5004] deactivate_super+0xb1/0xd0 [ 80.097212][ T5004] cleanup_mnt+0x2ae/0x3d0 [ 80.101668][ T5004] task_work_run+0x16f/0x270 [ 80.106293][ T5004] ? task_work_cancel+0x30/0x30 [ 80.111175][ T5004] ? __x64_sys_umount+0x118/0x190 [ 80.116238][ T5004] ptrace_notify+0x118/0x140 [ 80.120864][ T5004] syscall_exit_to_user_mode_prepare+0x129/0x220 [ 80.127239][ T5004] syscall_exit_to_user_mode+0xd/0x50 [ 80.132662][ T5004] do_syscall_64+0x46/0xb0 [ 80.137139][ T5004] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 80.143078][ T5004] RIP: 0033:0x7f63b5e1ed77 [ 80.147517][ T5004] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 80.167149][ T5004] RSP: 002b:00007ffe0aa8f158 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 80.175601][ T5004] RAX: 0000000000000000 RBX: 0000000000013109 RCX: 00007f63b5e1ed77 [ 80.183591][ T5004] RDX: 00007ffe0aa8f217 RSI: 000000000000000a RDI: 00007ffe0aa8f210 [ 80.191607][ T5004] RBP: 00007ffe0aa8f210 R08: 00000000ffffffff R09: 00007ffe0aa8eff0 [ 80.199701][ T5004] R10: 00005555556ca633 R11: 0000000000000202 R12: 00007ffe0aa90290 [ 80.207704][ T5004] R13: 00005555556ca5f0 R14: 00007ffe0aa8f180 R15: 0000000000000001 [ 80.215718][ T5004] [ 80.219073][ T5004] Kernel Offset: disabled [ 80.223521][ T5004] Rebooting in 86400 seconds..