Warning: Permanently added '10.128.0.69' (ED25519) to the list of known hosts. 2025/03/23 01:27:12 ignoring optional flag "sandboxArg"="0" 2025/03/23 01:27:12 ignoring optional flag "type"="gce" 2025/03/23 01:27:13 parsed 1 programs 2025/03/23 01:27:14 executed programs: 0 [ 46.234542][ T1354] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 47.268802][ T1776] loop0: detected capacity change from 0 to 32768 [ 47.350862][ T1776] gfs2: fsid=(œ[{{{+: Trying to join cluster "lock_nolock", "(œ[{{{+" [ 47.359115][ T1776] gfs2: fsid=(œ[{{{+: Now mounting FS (format 0)... [ 47.367204][ T1776] gfs2: fsid=(œ[{{{+.0: journal 0 mapped with 22 extents in 0ms [ 47.375679][ T24] gfs2: fsid=(œ[{{{+.0: jid=0, already locked for use [ 47.382496][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Looking at journal... [ 47.395427][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Journal head lookup took 12ms [ 47.403030][ T24] gfs2: fsid=(œ[{{{+.0: jid=0: Done [ 47.408310][ T1776] gfs2: fsid=(œ[{{{+.0: first mount done, others may mount [ 209.070562][ T25] INFO: task syz-executor.0:1360 blocked for more than 143 seconds. [ 209.078542][ T25] Not tainted 5.15.179-syzkaller #0 [ 209.084360][ T25] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 209.093770][ T25] task:syz-executor.0 state:D stack:11832 pid: 1360 ppid: 1 flags:0x00000006 [ 209.102993][ T25] Call Trace: [ 209.106359][ T25] [ 209.109379][ T25] __schedule+0x2b8/0x790 [ 209.113715][ T25] ? out_of_line_wait_on_bit_lock+0xb0/0xb0 [ 209.119784][ T25] schedule+0x53/0x90 [ 209.123880][ T25] bit_wait+0x8/0x50 [ 209.127936][ T25] __wait_on_bit+0x23/0x80 [ 209.132354][ T25] out_of_line_wait_on_bit+0x90/0xb0 [ 209.138336][ T25] ? var_wake_function+0x20/0x20 [ 209.143282][ T25] gfs2_glock_wait+0x2f/0x70 [ 209.148091][ T25] __gfs2_lookup+0x65/0x120 [ 209.152793][ T25] ? __gfs2_lookup+0x5d/0x120 [ 209.157767][ T25] __lookup_slow+0xf4/0x1d0 [ 209.162292][ T25] walk_component+0x14c/0x1c0 [ 209.167058][ T25] path_lookupat+0x69/0x1b0 [ 209.171663][ T25] filename_lookup+0xc6/0x1d0 [ 209.176533][ T25] ? __check_object_size+0x95/0x170 [ 209.181759][ T25] ? strncpy_from_user+0x5e/0x150 [ 209.186880][ T25] ? getname_flags.part.0+0x40/0x1a0 [ 209.192780][ T25] user_path_at_empty+0x35/0x50 [ 209.198337][ T25] __x64_sys_umount+0x40/0x80 [ 209.203028][ T25] ? __context_tracking_exit+0x61/0x90 [ 209.208972][ T25] ? syscall_enter_from_user_mode+0x36/0x50 [ 209.215256][ T25] do_syscall_64+0x33/0x80 [ 209.219795][ T25] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 209.226224][ T25] RIP: 0033:0x7f2a0e7d6197 [ 209.231062][ T25] RSP: 002b:00007ffce0e03bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 209.240343][ T25] RAX: ffffffffffffffda RBX: 00007f2a0e8203b9 RCX: 00007f2a0e7d6197 [ 209.248330][ T25] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffce0e03c80 [ 209.256451][ T25] RBP: 00007ffce0e03c80 R08: 0000000000000000 R09: 0000000000000000 [ 209.265067][ T25] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffce0e04d70 [ 209.273432][ T25] R13: 00007f2a0e8203b9 R14: 00005555659e8430 R15: 0000000000000002 [ 209.281408][ T25] [ 209.284430][ T25] [ 209.284430][ T25] Showing all locks held in the system: [ 209.292681][ T25] 1 lock held by khungtaskd/25: [ 209.297509][ T25] #0: ffffffff82ddb700 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x15/0xf2 [ 209.307535][ T25] 2 locks held by getty/823: [ 209.312227][ T25] #0: ffff88810a3d9898 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x1f/0x50 [ 209.322672][ T25] #1: ffffc9000178f2e8 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x4eb/0x610 [ 209.334087][ T25] 1 lock held by syz-executor.0/1360: [ 209.339684][ T25] #0: ffff88817d3b93f8 (&type->i_mutex_dir_key#8){....}-{3:3}, at: walk_component+0x13d/0x1c0 [ 209.350996][ T25] [ 209.353549][ T25] ============================================= [ 209.353549][ T25] [ 209.362254][ T25] NMI backtrace for cpu 0 [ 209.366572][ T25] CPU: 0 PID: 25 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0 [ 209.375748][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 209.386047][ T25] Call Trace: [ 209.389432][ T25] [ 209.392447][ T25] dump_stack_lvl+0x41/0x5e [ 209.397368][ T25] nmi_cpu_backtrace.cold+0x32/0x80 [ 209.402762][ T25] ? lapic_can_unplug_cpu+0x80/0x80 [ 209.408382][ T25] nmi_trigger_cpumask_backtrace+0x81/0x90 [ 209.414234][ T25] watchdog+0x47f/0x4b0 [ 209.418464][ T25] ? proc_dohung_task_timeout_secs+0x30/0x30 [ 209.424421][ T25] kthread+0x10b/0x130 [ 209.428478][ T25] ? set_kthread_struct+0x40/0x40 [ 209.433515][ T25] ret_from_fork+0x1f/0x30 [ 209.438160][ T25] [ 209.441361][ T25] Sending NMI from CPU 0 to CPUs 1: [ 209.446675][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x4b/0x60 [ 209.447658][ T25] Kernel panic - not syncing: hung_task: blocked tasks [ 209.463978][ T25] Kernel Offset: disabled [ 209.468304][ T25] Rebooting in 86400 seconds..