Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts. executing program [ 670.816953][ T3541] loop0: detected capacity change from 0 to 32768 [ 670.921932][ T3541] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 670.931852][ T3541] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 670.949903][ T3541] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 670.960549][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 670.967718][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 670.998303][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms [ 671.007551][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 671.012885][ T3541] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 859.737033][ T27] INFO: task syz-executor298:3540 blocked for more than 143 seconds. [ 859.745186][ T27] Not tainted 5.15.160-syzkaller #0 [ 859.751022][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.759725][ T27] task:syz-executor298 state:D stack:26128 pid: 3540 ppid: 3538 flags:0x00004002 [ 859.768989][ T27] Call Trace: [ 859.772279][ T27] [ 859.775197][ T27] __schedule+0x12c4/0x45b0 [ 859.779742][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 859.785723][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 859.791659][ T27] ? __mod_timer+0xa8e/0xeb0 [ 859.796252][ T27] ? release_firmware_map_entry+0x190/0x190 [ 859.802182][ T27] ? mod_timer_pending+0x20/0x20 [ 859.807144][ T27] ? lockdep_softirqs_off+0x420/0x420 [ 859.812502][ T27] schedule+0x11b/0x1f0 [ 859.816634][ T27] schedule_timeout+0x1b9/0x300 [ 859.821501][ T27] ? console_conditional_schedule+0x40/0x40 [ 859.827419][ T27] ? update_process_times+0x200/0x200 [ 859.832782][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 859.838260][ T27] gfs2_gl_hash_clear+0x1a1/0x310 [ 859.843314][ T27] ? thaw_glock+0x160/0x160 [ 859.847878][ T27] ? gfs2_jindex_free+0x495/0x4f0 [ 859.852899][ T27] ? init_wait_entry+0xd0/0xd0 [ 859.857697][ T27] ? gfs2_setbit+0x630/0x630 [ 859.862290][ T27] gfs2_put_super+0x752/0x7c0 [ 859.866989][ T27] ? gfs2_evict_inode+0x1320/0x1320 [ 859.872180][ T27] generic_shutdown_super+0x136/0x2c0 [ 859.877574][ T27] kill_block_super+0x7a/0xe0 [ 859.882246][ T27] deactivate_locked_super+0xa0/0x110 [ 859.887641][ T27] cleanup_mnt+0x44e/0x500 [ 859.892051][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 859.897297][ T27] task_work_run+0x129/0x1a0 [ 859.901885][ T27] exit_to_user_mode_loop+0x106/0x130 [ 859.907285][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 859.912830][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 859.918410][ T27] do_syscall_64+0x47/0xb0 [ 859.922828][ T27] ? clear_bhb_loop+0x15/0x70 [ 859.927529][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 859.933416][ T27] RIP: 0033:0x7f406f791407 [ 859.937850][ T27] RSP: 002b:00007ffc8a171bf8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 859.946266][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f406f791407 [ 859.954271][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc8a171cb0 [ 859.962340][ T27] RBP: 00007ffc8a171cb0 R08: 0000000000000000 R09: 0000000000000000 [ 859.970389][ T27] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc8a172d10 [ 859.978380][ T27] R13: 0000555555be06c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 859.986343][ T27] [ 859.989442][ T27] [ 859.989442][ T27] Showing all locks held in the system: [ 859.997195][ T27] 1 lock held by khungtaskd/27: [ 860.002021][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 860.011404][ T27] 1 lock held by klogd/2951: [ 860.015984][ T27] #0: ffff8880b9b3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 860.025945][ T27] 2 locks held by getty/3269: [ 860.030651][ T27] #0: ffff88814b30b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 860.040506][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 860.050675][ T27] 1 lock held by syz-executor298/3540: [ 860.056110][ T27] #0: ffff8880147a80e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 860.066310][ T27] [ 860.068656][ T27] ============================================= [ 860.068656][ T27] [ 860.077092][ T27] NMI backtrace for cpu 0 [ 860.081419][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0 [ 860.089375][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.099399][ T27] Call Trace: [ 860.102651][ T27] [ 860.105555][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.110209][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.115811][ T27] ? panic+0x860/0x860 [ 860.119854][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 860.124936][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 860.129841][ T27] ? __wake_up_klogd+0xd5/0x100 [ 860.134669][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 860.140793][ T27] ? _printk+0xd1/0x120 [ 860.144930][ T27] ? panic+0x860/0x860 [ 860.148973][ T27] ? __wake_up_klogd+0xcc/0x100 [ 860.153794][ T27] ? panic+0x860/0x860 [ 860.157859][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.163897][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 860.169855][ T27] watchdog+0xe72/0xeb0 [ 860.173988][ T27] kthread+0x3f6/0x4f0 [ 860.178030][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.183026][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.187587][ T27] ret_from_fork+0x1f/0x30 [ 860.191989][ T27] [ 860.195124][ T27] Sending NMI from CPU 0 to CPUs 1: [ 860.200373][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 860.201411][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 860.216007][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.160-syzkaller #0 [ 860.223964][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.233997][ T27] Call Trace: [ 860.237273][ T27] [ 860.240184][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.244847][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.250455][ T27] ? panic+0x860/0x860 [ 860.254504][ T27] panic+0x318/0x860 [ 860.258373][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 860.263996][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 860.270127][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 860.275313][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.281355][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 860.287487][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 860.293618][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 860.299749][ T27] watchdog+0xeb0/0xeb0 [ 860.303888][ T27] kthread+0x3f6/0x4f0 [ 860.307931][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.313278][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.317842][ T27] ret_from_fork+0x1f/0x30 [ 860.322241][ T27] [ 860.325472][ T27] Kernel Offset: disabled [ 860.329790][ T27] Rebooting in 86400 seconds..