./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor984196456

<...>
no interfaces have a carrier
forked to background, child pid 5492
[   59.243005][ T5493] 8021q: adding VLAN 0 to HW filter on device bond0
[   59.265997][ T5493] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts.
execve("./syz-executor984196456", ["./syz-executor984196456"], 0x7fff3ec96560 /* 10 vars */) = 0
brk(NULL)                               = 0x55557b739000
brk(0x55557b739d40)                     = 0x55557b739d40
arch_prctl(ARCH_SET_FS, 0x55557b7393c0) = 0
set_tid_address(0x55557b739690)         = 5827
set_robust_list(0x55557b7396a0, 24)     = 0
rseq(0x55557b739ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor984196456", 4096) = 27
getrandom("\x83\x0b\x50\xc7\xdb\x03\xb7\xc5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557b739d40
brk(0x55557b75ad40)                     = 0x55557b75ad40
brk(0x55557b75b000)                     = 0x55557b75b000
mprotect(0x7faff1341000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5828 attached
 <unfinished ...>
[pid  5828] set_robust_list(0x55557b7396a0, 24 <unfinished ...>
[pid  5827] <... clone resumed>, child_tidptr=0x55557b739690) = 5828
[pid  5828] <... set_robust_list resumed>) = 0
[pid  5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5828] getppid()                   = 0
[pid  5828] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5828] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5828] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5828] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5828] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5828] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5828] unshare(CLONE_NEWNS)        = 0
[pid  5828] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] unshare(CLONE_NEWIPC)       = 0
[pid  5828] unshare(CLONE_NEWCGROUP)    = 0
[pid  5828] unshare(CLONE_NEWUTS)       = 0
[pid  5828] unshare(CLONE_SYSVSEM)      = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "16777216", 8)     = 8
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "536870912", 9)    = 9
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "1024", 4)         = 4
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "8192", 4)         = 4
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "1024", 4)         = 4
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "1024", 4)         = 4
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5828] close(3)                    = 0
[pid  5828] getpid()                    = 1
[pid  5828] 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  5828] 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  5828] unshare(CLONE_NEWNET)       = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "0 65535", 7)      = 7
[pid  5828] close(3)                    = 0
[pid  5828] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5828] write(3, "100000", 6)       = 6
[pid  5828] close(3)                    = 0
[pid  5828] mkdir("./syz-tmp", 0777)    = 0
[pid  5828] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5828] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5828] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5828] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5828] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5828] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5828] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5828] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5828] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5828] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5828] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5828] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5828] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5828] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5828] chdir("/")                  = 0
[pid  5828] umount2("./pivot", MNT_DETACH) = 0
[pid  5828] chroot("./newroot")         = 0
[pid  5828] chdir("/")                  = 0
[pid  5828] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5828] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5828] mkdir("/dev/binderfs", 0777) = 0
[pid  5828] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5828] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5828] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
executing program
[pid  5828] write(1, "executing program\n", 18) = 18
[pid  5828] futex(0x7faff13475ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5828] rt_sigaction(SIGRT_1, {sa_handler=0x7faff12e1350, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7faff12d2a00}, NULL, 8) = 0
[pid  5828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7faff1250000
[pid  5828] mprotect(0x7faff1251000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7faff1270990, parent_tid=0x7faff1270990, exit_signal=0, stack=0x7faff1250000, stack_size=0x20300, tls=0x7faff12706c0}./strace-static-x86_64: Process 5832 attached
 <unfinished ...>
[pid  5832] rseq(0x7faff1270fe0, 0x20, 0, 0x53053053) = 0
[pid  5832] set_robust_list(0x7faff12709a0, 24 <unfinished ...>
[pid  5828] <... clone3 resumed> => {parent_tid=[2]}, 88) = 2
[pid  5832] <... set_robust_list resumed>) = 0
[pid  5828] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5832] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5828] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5832] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5828] futex(0x7faff13475e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5832] memfd_create("syzkaller", 0 <unfinished ...>
[pid  5828] <... futex resumed>)        = 0
[pid  5832] <... memfd_create resumed>) = 3
[pid  5828] futex(0x7faff13475ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fafe8e00000
[pid  5832] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid  5832] munmap(0x7fafe8e00000, 138412032) = 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5832] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5832] close(3)                    = 0
[pid  5832] close(4)                    = 0
[pid  5832] mkdir("./file0", 0777)      = 0
syzkaller login: [   87.569220][ T5832] loop0: detected capacity change from 0 to 32768
[   87.610040][ T5832] (syz-executor984,5832,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
[   87.625249][ T5832] (syz-executor984,5832,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC.
[   87.648185][ T5832] JBD2: Ignoring recovery information on journal
[pid  5832] mount("/dev/loop0", "./file0", "ocfs2", MS_RELATIME, "usrquota,coherency=full,errors=continue,heartbeat=none,errors=continue,nointr,grpquota,") = 0
[pid  5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5832] chdir("./file0")            = 0
[   87.681554][ T5832] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[   87.696449][   T36] ocfs2: Finishing quota recovery on device (7,0) for slot 0
[pid  5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5832] futex(0x7faff13475ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5828] <... futex resumed>)        = 0
[pid  5832] futex(0x7faff13475e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5828] exit_group(1 <unfinished ...>
[pid  5832] <... futex resumed>)        = ?
[pid  5828] <... exit_group resumed>)   = ?
[pid  5832] +++ exited with 1 +++
[   87.784804][ T5828] 
[   87.787194][ T5828] ======================================================
[   87.794235][ T5828] WARNING: possible circular locking dependency detected
[   87.801289][ T5828] 6.15.0-rc1-syzkaller #0 Not tainted
[   87.806678][ T5828] ------------------------------------------------------
[   87.813705][ T5828] syz-executor984/5828 is trying to acquire lock:
[   87.820108][ T5828] ffff888027ba1948 ((wq_completion)ocfs2_wq){+.+.}-{0:0}, at: touch_wq_lockdep_map+0xb1/0x170
[   87.830413][ T5828] 
[   87.830413][ T5828] but task is already holding lock:
[   87.837773][ T5828] ffff888032c9e0e0 (&type->s_umount_key#45){++++}-{4:4}, at: deactivate_super+0xb5/0xf0
[   87.847548][ T5828] 
[   87.847548][ T5828] which lock already depends on the new lock.
[   87.847548][ T5828] 
[   87.857956][ T5828] 
[   87.857956][ T5828] the existing dependency chain (in reverse order) is:
[   87.866980][ T5828] 
[   87.866980][ T5828] -> #2 (&type->s_umount_key#45){++++}-{4:4}:
[   87.875256][ T5828]        lock_acquire+0x116/0x2f0
[   87.880286][ T5828]        down_read+0xb3/0xa50
[   87.884985][ T5828]        ocfs2_finish_quota_recovery+0x15e/0x2310
[   87.891410][ T5828]        ocfs2_complete_recovery+0x1977/0x2580
[   87.897571][ T5828]        process_scheduled_works+0xac3/0x18e0
[   87.903671][ T5828]        worker_thread+0x870/0xd50
[   87.908783][ T5828]        kthread+0x7b7/0x940
[   87.913379][ T5828]        ret_from_fork+0x4b/0x80
[   87.918314][ T5828]        ret_from_fork_asm+0x1a/0x30
[   87.923607][ T5828] 
[   87.923607][ T5828] -> #1 ((work_completion)(&journal->j_recovery_work)){+.+.}-{0:0}:
[   87.933776][ T5828]        lock_acquire+0x116/0x2f0
[   87.938801][ T5828]        process_scheduled_works+0x9e9/0x18e0
[   87.944950][ T5828]        worker_thread+0x870/0xd50
[   87.950058][ T5828]        kthread+0x7b7/0x940
[   87.954649][ T5828]        ret_from_fork+0x4b/0x80
[   87.959601][ T5828]        ret_from_fork_asm+0x1a/0x30
[   87.964893][ T5828] 
[   87.964893][ T5828] -> #0 ((wq_completion)ocfs2_wq){+.+.}-{0:0}:
[   87.973240][ T5828]        validate_chain+0xa69/0x24e0
[   87.978529][ T5828]        __lock_acquire+0xad5/0xd80
[   87.983725][ T5828]        lock_acquire+0x116/0x2f0
[   87.988749][ T5828]        touch_wq_lockdep_map+0xc7/0x170
[   87.994384][ T5828]        __flush_workqueue+0x14c/0x1280
[   87.999934][ T5828]        ocfs2_shutdown_local_alloc+0x10b/0xab0
[   88.006174][ T5828]        ocfs2_dismount_volume+0x204/0x910
[   88.011991][ T5828]        generic_shutdown_super+0x139/0x2d0
[   88.017924][ T5828]        kill_block_super+0x44/0x90
[   88.023131][ T5828]        deactivate_locked_super+0xc4/0x130
[   88.029031][ T5828]        cleanup_mnt+0x422/0x4c0
[   88.033981][ T5828]        task_work_run+0x251/0x310
[   88.039101][ T5828]        do_exit+0xa11/0x27f0
[   88.043778][ T5828]        do_group_exit+0x207/0x2c0
[   88.048892][ T5828]        __x64_sys_exit_group+0x3f/0x40
[   88.054440][ T5828]        x64_sys_call+0x26c3/0x26d0
[   88.059642][ T5828]        do_syscall_64+0xf3/0x230
[   88.064675][ T5828]        entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   88.071090][ T5828] 
[   88.071090][ T5828] other info that might help us debug this:
[   88.071090][ T5828] 
[   88.081313][ T5828] Chain exists of:
[   88.081313][ T5828]   (wq_completion)ocfs2_wq --> (work_completion)(&journal->j_recovery_work) --> &type->s_umount_key#45
[   88.081313][ T5828] 
[   88.098284][ T5828]  Possible unsafe locking scenario:
[   88.098284][ T5828] 
[   88.105727][ T5828]        CPU0                    CPU1
[   88.111180][ T5828]        ----                    ----
[   88.116541][ T5828]   lock(&type->s_umount_key#45);
[   88.121580][ T5828]                                lock((work_completion)(&journal->j_recovery_work));
[   88.131212][ T5828]                                lock(&type->s_umount_key#45);
[   88.138772][ T5828]   lock((wq_completion)ocfs2_wq);
[   88.143886][ T5828] 
[   88.143886][ T5828]  *** DEADLOCK ***
[   88.143886][ T5828] 
[   88.152030][ T5828] 1 lock held by syz-executor984/5828:
[   88.157480][ T5828]  #0: ffff888032c9e0e0 (&type->s_umount_key#45){++++}-{4:4}, at: deactivate_super+0xb5/0xf0
[   88.167684][ T5828] 
[   88.167684][ T5828] stack backtrace:
[   88.173587][ T5828] CPU: 1 UID: 0 PID: 5828 Comm: syz-executor984 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(full) 
[   88.173608][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   88.173622][ T5828] Call Trace:
[   88.173629][ T5828]  <TASK>
[   88.173636][ T5828]  dump_stack_lvl+0x241/0x360
[   88.173665][ T5828]  ? __pfx_dump_stack_lvl+0x10/0x10
[   88.173687][ T5828]  ? __pfx__printk+0x10/0x10
[   88.173707][ T5828]  ? print_lock+0x171/0x1a0
[   88.173726][ T5828]  print_circular_bug+0x2e1/0x300
[   88.173748][ T5828]  check_noncircular+0x142/0x160
[   88.173770][ T5828]  validate_chain+0xa69/0x24e0
[   88.173789][ T5828]  ? _raw_spin_unlock_irqrestore+0xde/0x140
[   88.173807][ T5828]  ? dquot_disable+0x1158/0x1cf0
[   88.173827][ T5828]  ? ocfs2_disable_quotas+0x1bc/0x210
[   88.173843][ T5828]  ? kill_block_super+0x44/0x90
[   88.173868][ T5828]  ? debug_object_assert_init+0x30e/0x4d0
[   88.173887][ T5828]  __lock_acquire+0xad5/0xd80
[   88.173905][ T5828]  lock_acquire+0x116/0x2f0
[   88.173919][ T5828]  ? touch_wq_lockdep_map+0xb1/0x170
[   88.173943][ T5828]  ? touch_wq_lockdep_map+0xb1/0x170
[   88.173961][ T5828]  touch_wq_lockdep_map+0xc7/0x170
[   88.173979][ T5828]  ? touch_wq_lockdep_map+0xb1/0x170
[   88.174004][ T5828]  __flush_workqueue+0x14c/0x1280
[   88.174022][ T5828]  ? kfree+0x198/0x430
[   88.174035][ T5828]  ? ocfs2_local_free_info+0x8ba/0xa60
[   88.174060][ T5828]  ? __pfx___flush_workqueue+0x10/0x10
[   88.174084][ T5828]  ? work_grab_pending+0x4d6/0xb00
[   88.174105][ T5828]  ocfs2_shutdown_local_alloc+0x10b/0xab0
[   88.174121][ T5828]  ? __pfx_work_grab_pending+0x10/0x10
[   88.174142][ T5828]  ? __pfx_ocfs2_shutdown_local_alloc+0x10/0x10
[   88.174157][ T5828]  ? lockdep_hardirqs_on+0x9d/0x150
[   88.174175][ T5828]  ? enable_work+0x2e4/0x360
[   88.174196][ T5828]  ? __pfx_enable_work+0x10/0x10
[   88.174216][ T5828]  ? _atomic_dec_and_lock+0x9a/0x130
[   88.174235][ T5828]  ? iput+0x3be/0xa50
[   88.174257][ T5828]  ocfs2_dismount_volume+0x204/0x910
[   88.174284][ T5828]  ? __pfx_ocfs2_dismount_volume+0x10/0x10
[   88.174309][ T5828]  ? __pfx_evict_inodes+0x10/0x10
[   88.174329][ T5828]  ? __pfx_ocfs2_put_super+0x10/0x10
[   88.174344][ T5828]  generic_shutdown_super+0x139/0x2d0
[   88.174366][ T5828]  kill_block_super+0x44/0x90
[   88.174390][ T5828]  deactivate_locked_super+0xc4/0x130
[   88.174412][ T5828]  cleanup_mnt+0x422/0x4c0
[   88.174432][ T5828]  ? lockdep_hardirqs_on+0x9d/0x150
[   88.174451][ T5828]  task_work_run+0x251/0x310
[   88.174476][ T5828]  ? __pfx_task_work_run+0x10/0x10
[   88.174499][ T5828]  ? do_exit+0xa0c/0x27f0
[   88.174518][ T5828]  ? do_exit+0xa0c/0x27f0
[   88.174537][ T5828]  do_exit+0xa11/0x27f0
[   88.174558][ T5828]  ? preempt_schedule_common+0x84/0xd0
[   88.174576][ T5828]  ? preempt_schedule+0xe4/0xf0
[   88.174591][ T5828]  ? __pfx_do_exit+0x10/0x10
[   88.174613][ T5828]  ? preempt_schedule_thunk+0x16/0x30
[   88.174632][ T5828]  do_group_exit+0x207/0x2c0
[   88.174654][ T5828]  __x64_sys_exit_group+0x3f/0x40
[   88.174674][ T5828]  x64_sys_call+0x26c3/0x26d0
[   88.174697][ T5828]  do_syscall_64+0xf3/0x230
[   88.174717][ T5828]  ? clear_bhb_loop+0x45/0xa0
[   88.174735][ T5828]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   88.174751][ T5828] RIP: 0033:0x7faff12b9389
[   88.174774][ T5828] Code: Unable to access opcode bytes at 0x7faff12b935f.
[   88.174782][ T5828] RSP: 002b:00007ffdb0706938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   88.174798][ T5828] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faff12b9389
[   88.174810][ T5828] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   88.174819][ T5828] RBP: 00007faff13472b0 R08: ffffffffffffffb0 R09: 0000000000000000
[   88.174830][ T5828] R10: 00007ffdb07069c0 R11: 0000000000000246 R12: 00007faff13472b0
[   88.174841][ T5828] R13: 0000000000000000 R14: 00007faff1348120 R15: 00007faff12844b0
[pid  5828] +++ exited with 1 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=1, si_utime=2 /* 0.02 s */, si_stime=38 /* 0.38 s */} ---
exit_group(0)                           = ?
+++ exited with 0 +++
[   88.174859][ T58