Warning: Permanently added '10.128.0.155' (ED25519) to the list of known hosts.
2025/09/04 15:09:49 ignoring optional flag "type"="gce"
2025/09/04 15:09:50 parsed 1 programs
2025/09/04 15:09:51 executed programs: 0
[ 49.329676][ T1369] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 50.703404][ T1791] loop0: detected capacity change from 0 to 32768
[ 50.743843][ T1791] gfs2: fsid=(œ[{{{+: Trying to join cluster "lock_nolock", "(œ[{{{+"
[ 50.752703][ T1791] gfs2: fsid=(œ[{{{+: Now mounting FS (format 0)...
[ 50.761028][ T1791] gfs2: fsid=(œ[{{{+.0: journal 0 mapped with 22 extents in 0ms
[ 50.769589][ T24] gfs2: fsid=(œ[{{{+.0: jid=0, already locked for use
[ 50.776713][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Looking at journal...
[ 50.789679][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Journal head lookup took 12ms
[ 50.797209][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Done
[ 50.802685][ T1791] gfs2: fsid=(œ[{{{+.0: first mount done, others may mount
[ 212.383154][ T25] INFO: task syz-executor.0:1375 blocked for more than 143 seconds.
[ 212.391418][ T25] Not tainted syzkaller #0
[ 212.396505][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 212.405456][ T25] task:syz-executor.0 state:D stack:11832 pid: 1375 ppid: 1 flags:0x00000006
[ 212.414794][ T25] Call Trace:
[ 212.418370][ T25]
[ 212.421385][ T25] __schedule+0x2b8/0x790
[ 212.425769][ T25] ? out_of_line_wait_on_bit_lock+0xb0/0xb0
[ 212.431664][ T25] schedule+0x53/0x90
[ 212.435671][ T25] bit_wait+0x8/0x50
[ 212.439644][ T25] __wait_on_bit+0x23/0x80
[ 212.444128][ T25] out_of_line_wait_on_bit+0x90/0xb0
[ 212.449424][ T25] ? var_wake_function+0x20/0x20
[ 212.454614][ T25] gfs2_glock_wait+0x2f/0x70
[ 212.459670][ T25] __gfs2_lookup+0x65/0x120
[ 212.464297][ T25] ? __gfs2_lookup+0x5d/0x120
[ 212.469066][ T25] __lookup_slow+0xf4/0x1d0
[ 212.473609][ T25] walk_component+0x14c/0x1c0
[ 212.478291][ T25] path_lookupat+0x69/0x1b0
[ 212.482882][ T25] filename_lookup+0xc6/0x1d0
[ 212.487662][ T25] ? __check_object_size+0x95/0x170
[ 212.492861][ T25] ? strncpy_from_user+0x5e/0x150
[ 212.497906][ T25] ? getname_flags.part.0+0x40/0x1a0
[ 212.503304][ T25] user_path_at_empty+0x35/0x50
[ 212.508315][ T25] __x64_sys_umount+0x40/0x80
[ 212.513128][ T25] ? __context_tracking_exit+0x61/0x90
[ 212.518693][ T25] ? syscall_enter_from_user_mode+0x36/0x50
[ 212.524814][ T25] do_syscall_64+0x33/0x80
[ 212.529331][ T25] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 212.535445][ T25] RIP: 0033:0x7f8c7b966197
[ 212.540047][ T25] RSP: 002b:00007fff1feba6a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[ 212.548652][ T25] RAX: ffffffffffffffda RBX: 00007f8c7b9b03b9 RCX: 00007f8c7b966197
[ 212.556762][ T25] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1feba760
[ 212.564872][ T25] RBP: 00007fff1feba760 R08: 0000000000000000 R09: 0000000000000000
[ 212.573152][ T25] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff1febb850
[ 212.581118][ T25] R13: 00007f8c7b9b03b9 R14: 0000555587532430 R15: 0000000000000002
[ 212.589127][ T25]
[ 212.592160][ T25]
[ 212.592160][ T25] Showing all locks held in the system:
[ 212.600159][ T25] 1 lock held by khungtaskd/25:
[ 212.605077][ T25] #0: ffffffff82dda400 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2
[ 212.615040][ T25] 2 locks held by getty/828:
[ 212.619637][ T25] #0: ffff88810a338898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50
[ 212.629672][ T25] #1: ffffc9000175f2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610
[ 212.639777][ T25] 1 lock held by syz-executor.0/1375:
[ 212.645249][ T25] #0: ffff88816b8313f8 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x13d/0x1c0
[ 212.655829][ T25]
[ 212.658176][ T25] =============================================
[ 212.658176][ T25]
[ 212.666942][ T25] NMI backtrace for cpu 0
[ 212.671382][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted syzkaller #0
[ 212.678592][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 212.688793][ T25] Call Trace:
[ 212.692239][ T25]
[ 212.695485][ T25] dump_stack_lvl+0x41/0x5e
[ 212.700235][ T25] nmi_cpu_backtrace.cold+0x32/0x80
[ 212.705513][ T25] ? lapic_can_unplug_cpu+0x80/0x80
[ 212.710785][ T25] nmi_trigger_cpumask_backtrace+0x81/0x90
[ 212.716790][ T25] watchdog+0x47f/0x4b0
[ 212.721315][ T25] ? proc_dohung_task_timeout_secs+0x30/0x30
[ 212.727281][ T25] kthread+0x10b/0x130
[ 212.731334][ T25] ? set_kthread_struct+0x40/0x40
[ 212.736425][ T25] ret_from_fork+0x1f/0x30
[ 212.740832][ T25]
[ 212.744005][ T25] Sending NMI from CPU 0 to CPUs 1:
[ 212.749251][ C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[ 212.750231][ T25] Kernel panic - not syncing: hung_task: blocked tasks
[ 212.764150][ T25] Kernel Offset: disabled
[ 212.768511][ T25] Rebooting in 86400 seconds..