./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor919155835

<...>
DUID 00:04:cd:7d:74:7d:04:96:3f:c0:f2:1a:da:5a:49:b1:9f:fb
forked to background, child pid 4692
[   47.858790][ T4693] 8021q: adding VLAN 0 to HW filter on device bond0
[   47.871169][ T4693] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts.
execve("./syz-executor919155835", ["./syz-executor919155835"], 0x7ffe6550bd20 /* 10 vars */) = 0
brk(NULL)                               = 0x555557157000
brk(0x555557157c40)                     = 0x555557157c40
arch_prctl(ARCH_SET_FS, 0x555557157300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor919155835", 4096) = 27
brk(0x555557178c40)                     = 0x555557178c40
brk(0x555557179000)                     = 0x555557179000
mprotect(0x7fc8c602b000, 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
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5031 attached
, child_tidptr=0x5555571575d0) = 5031
[pid  5031] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5031] setsid()                    = 1
[pid  5031] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5031] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5031] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5031] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5031] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5031] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5031] unshare(CLONE_NEWNS)        = 0
[pid  5031] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5031] unshare(CLONE_NEWIPC)       = 0
[pid  5031] unshare(CLONE_NEWCGROUP)    = 0
[pid  5031] unshare(CLONE_NEWUTS)       = 0
[pid  5031] unshare(CLONE_SYSVSEM)      = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "16777216", 8)     = 8
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "536870912", 9)    = 9
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "1024", 4)         = 4
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "8192", 4)         = 4
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "1024", 4)         = 4
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "1024", 4)         = 4
[pid  5031] close(3)                    = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5031] close(3)                    = 0
[pid  5031] getpid()                    = 1
[pid  5031] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5031] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5031] unshare(CLONE_NEWNET)       = 0
[pid  5031] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5031] write(3, "0 65535", 7)      = 7
[pid  5031] close(3)                    = 0
[pid  5031] mkdir("/dev/binderfs", 0777) = 0
[pid  5031] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5031] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5031] memfd_create("syzkaller", 0) = 3
[pid  5031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8bdb6f000
[pid  5031] 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"..., 4194304) = 4194304
[pid  5031] munmap(0x7fc8bdb6f000, 4194304) = 0
[pid  5031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
syzkaller login: [   76.636825][ T5031] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5031 'syz-executor919'
[pid  5031] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5031] close(3)                    = 0
[pid  5031] mkdir("./file0", 0777)      = 0
[   76.695412][ T5031] loop0: detected capacity change from 0 to 8192
[   76.708245][ T5031] REISERFS warning:  read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025
[   76.721398][ T5031] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal
[   76.731190][ T5031] REISERFS (device loop0): using ordered data mode
[   76.737836][ T5031] reiserfs: using flush barriers
[pid  5031] mount("/dev/loop0", "./file0", "reiserfs", MS_RDONLY|MS_NOSUID|MS_DIRSYNC|MS_REC|MS_SILENT|MS_RELATIME|MS_STRICTATIME, "") = 0
[pid  5031] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5031] chdir("./file0")            = 0
[pid  5031] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5031] close(4)                    = 0
[pid  5031] exit_group(1)               = ?
[   76.744975][ T5031] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[   76.761567][ T5031] REISERFS (device loop0): checking transaction log (loop0)
[   76.771628][ T5031] REISERFS (device loop0): Using r5 hash to sort names
[   76.813839][ T5031] ------------[ cut here ]------------
[   76.819519][ T5031] WARNING: CPU: 0 PID: 5031 at block/bdev.c:617 blkdev_put+0x562/0x8a0
[   76.828010][ T5031] Modules linked in:
[   76.831915][ T5031] CPU: 0 PID: 5031 Comm: syz-executor919 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0
[   76.841909][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[   76.852037][ T5031] RIP: 0010:blkdev_put+0x562/0x8a0
[   76.857299][ T5031] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c
[   76.877022][ T5031] RSP: 0018:ffffc90003b8fa28 EFLAGS: 00010293
[   76.883141][ T5031] RAX: 0000000000000000 RBX: ffff88801ac85080 RCX: 0000000000000000
[   76.891212][ T5031] RDX: ffff888027aa1dc0 RSI: ffffffff83f42912 RDI: 0000000000000001
[   76.899274][ T5031] RBP: ffff888140b84000 R08: 0000000000000000 R09: fffffbfff1d53172
[   76.907362][ T5031] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac850b8
[   76.915429][ T5031] R13: ffffc90003ba1000 R14: ffff888140b84460 R15: ffff88801ac85080
[   76.923495][ T5031] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   76.932463][ T5031] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   76.939138][ T5031] CR2: 00007fc8c602f140 CR3: 000000000c775000 CR4: 00000000003506f0
[   76.947172][ T5031] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   76.955242][ T5031] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   76.963296][ T5031] Call Trace:
[   76.966603][ T5031]  <TASK>
[   76.969547][ T5031]  ? __warn+0xe6/0x390
[   76.973734][ T5031]  ? blkdev_put+0x562/0x8a0
[   76.978315][ T5031]  ? report_bug+0x2da/0x500
[   76.982865][ T5031]  ? handle_bug+0x3c/0x70
[   76.987334][ T5031]  ? exc_invalid_op+0x18/0x50
[   76.992064][ T5031]  ? asm_exc_invalid_op+0x1a/0x20
[   76.997226][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.001800][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.006448][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.011021][ T5031]  free_journal_ram+0x421/0x5c0
[   77.015994][ T5031]  journal_release+0x276/0x630
[   77.020813][ T5031]  ? reiserfs_end_persistent_transaction+0x1b0/0x1b0
[   77.027578][ T5031]  ? do_raw_spin_unlock+0x175/0x230
[   77.032935][ T5031]  reiserfs_put_super+0xe4/0x5c0
[   77.037989][ T5031]  ? reiserfs_quota_read+0x4f0/0x4f0
[   77.043381][ T5031]  ? dispose_list+0x1e0/0x1e0
[   77.048100][ T5031]  ? fscrypt_destroy_keyring+0x1a/0x380
[   77.053741][ T5031]  ? reiserfs_quota_read+0x4f0/0x4f0
[   77.059085][ T5031]  generic_shutdown_super+0x158/0x480
[   77.064551][ T5031]  kill_block_super+0x64/0xb0
[   77.069279][ T5031]  deactivate_locked_super+0x98/0x160
[   77.074757][ T5031]  deactivate_super+0xb1/0xd0
[   77.079492][ T5031]  cleanup_mnt+0x2ae/0x3d0
[   77.083997][ T5031]  task_work_run+0x16f/0x270
[   77.088632][ T5031]  ? task_work_cancel+0x30/0x30
[   77.093593][ T5031]  ? __put_net+0x61/0x70
[   77.097902][ T5031]  do_exit+0xadc/0x2a30
[   77.102080][ T5031]  ? lock_downgrade+0x690/0x690
[   77.107016][ T5031]  ? do_raw_spin_lock+0x124/0x2b0
[   77.112103][ T5031]  ? mm_update_next_owner+0x7b0/0x7b0
[   77.117660][ T5031]  ? spin_bug+0x1c0/0x1c0
[   77.122068][ T5031]  ? _raw_spin_unlock_irq+0x23/0x50
[   77.127387][ T5031]  do_group_exit+0xd4/0x2a0
[   77.131972][ T5031]  __x64_sys_exit_group+0x3e/0x50
[   77.137143][ T5031]  do_syscall_64+0x39/0xb0
[   77.141654][ T5031]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   77.147661][ T5031] RIP: 0033:0x7fc8c5fba9c9
[   77.152115][ T5031] Code: Unable to access opcode bytes at 0x7fc8c5fba99f.
[   77.159232][ T5031] RSP: 002b:00007ffde90d25a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   77.167720][ T5031] RAX: ffffffffffffffda RBX: 00007fc8c6031330 RCX: 00007fc8c5fba9c9
[   77.175778][ T5031] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   77.183849][ T5031] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111
[   77.191842][ T5031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8c6031330
[   77.199911][ T5031] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   77.207994][ T5031]  </TASK>
[   77.211032][ T5031] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   77.218339][ T5031] CPU: 0 PID: 5031 Comm: syz-executor919 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0
[   77.228247][ T5031] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[   77.238312][ T5031] Call Trace:
[   77.241599][ T5031]  <TASK>
[   77.244538][ T5031]  dump_stack_lvl+0xd9/0x150
[   77.249175][ T5031]  panic+0x686/0x730
[   77.253093][ T5031]  ? panic_smp_self_stop+0xa0/0xa0
[   77.258229][ T5031]  ? show_trace_log_lvl+0x284/0x390
[   77.263494][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.268044][ T5031]  check_panic_on_warn+0xb1/0xc0
[   77.273029][ T5031]  __warn+0xf2/0x390
[   77.276965][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.281510][ T5031]  report_bug+0x2da/0x500
[   77.285878][ T5031]  handle_bug+0x3c/0x70
[   77.290068][ T5031]  exc_invalid_op+0x18/0x50
[   77.294605][ T5031]  asm_exc_invalid_op+0x1a/0x20
[   77.299489][ T5031] RIP: 0010:blkdev_put+0x562/0x8a0
[   77.304647][ T5031] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c
[   77.324280][ T5031] RSP: 0018:ffffc90003b8fa28 EFLAGS: 00010293
[   77.330371][ T5031] RAX: 0000000000000000 RBX: ffff88801ac85080 RCX: 0000000000000000
[   77.338448][ T5031] RDX: ffff888027aa1dc0 RSI: ffffffff83f42912 RDI: 0000000000000001
[   77.346441][ T5031] RBP: ffff888140b84000 R08: 0000000000000000 R09: fffffbfff1d53172
[   77.354435][ T5031] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac850b8
[   77.362601][ T5031] R13: ffffc90003ba1000 R14: ffff888140b84460 R15: ffff88801ac85080
[   77.370604][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.375165][ T5031]  ? blkdev_put+0x562/0x8a0
[   77.379712][ T5031]  free_journal_ram+0x421/0x5c0
[   77.384599][ T5031]  journal_release+0x276/0x630
[   77.389483][ T5031]  ? reiserfs_end_persistent_transaction+0x1b0/0x1b0
[   77.396284][ T5031]  ? do_raw_spin_unlock+0x175/0x230
[   77.401539][ T5031]  reiserfs_put_super+0xe4/0x5c0
[   77.406518][ T5031]  ? reiserfs_quota_read+0x4f0/0x4f0
[   77.411853][ T5031]  ? dispose_list+0x1e0/0x1e0
[   77.416584][ T5031]  ? fscrypt_destroy_keyring+0x1a/0x380
[   77.422162][ T5031]  ? reiserfs_quota_read+0x4f0/0x4f0
[   77.427572][ T5031]  generic_shutdown_super+0x158/0x480
[   77.432985][ T5031]  kill_block_super+0x64/0xb0
[   77.437706][ T5031]  deactivate_locked_super+0x98/0x160
[   77.443118][ T5031]  deactivate_super+0xb1/0xd0
[   77.447855][ T5031]  cleanup_mnt+0x2ae/0x3d0
[   77.452306][ T5031]  task_work_run+0x16f/0x270
[   77.456927][ T5031]  ? task_work_cancel+0x30/0x30
[   77.461810][ T5031]  ? __put_net+0x61/0x70
[   77.466104][ T5031]  do_exit+0xadc/0x2a30
[   77.470292][ T5031]  ? lock_downgrade+0x690/0x690
[   77.475181][ T5031]  ? do_raw_spin_lock+0x124/0x2b0
[   77.480247][ T5031]  ? mm_update_next_owner+0x7b0/0x7b0
[   77.485650][ T5031]  ? spin_bug+0x1c0/0x1c0
[   77.490196][ T5031]  ? _raw_spin_unlock_irq+0x23/0x50
[   77.495428][ T5031]  do_group_exit+0xd4/0x2a0
[   77.500082][ T5031]  __x64_sys_exit_group+0x3e/0x50
[   77.505155][ T5031]  do_syscall_64+0x39/0xb0
[   77.509616][ T5031]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   77.515569][ T5031] RIP: 0033:0x7fc8c5fba9c9
[   77.520016][ T5031] Code: Unable to access opcode bytes at 0x7fc8c5fba99f.
[   77.527054][ T5031] RSP: 002b:00007ffde90d25a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   77.535498][ T5031] RAX: ffffffffffffffda RBX: 00007fc8c6031330 RCX: 00007fc8c5fba9c9
[   77.543494][ T5031] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   77.551485][ T5031] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111
[   77.559476][ T5031] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc8c6031330
[   77.567480][ T5031] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   77.575491][ T5031]  </TASK>
[   77.578746][ T5031] Kernel Offset: disabled
[   77.583293][ T5031] Rebooting in 86400 seconds..