Warning: Permanently added '10.128.0.37' (ED25519) to the list of known hosts. executing program [ 87.728821][ T4164] loop0: detected capacity change from 0 to 32768 [ 87.828394][ T4164] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 87.838483][ T4164] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 87.857626][ T4164] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms [ 87.913096][ T4164] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 286.264952][ T27] INFO: task syz-executor187:4163 blocked for more than 143 seconds. [ 286.273172][ T27] Not tainted 5.15.171-syzkaller #0 [ 286.278972][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.287724][ T27] task:syz-executor187 state:D stack:24864 pid: 4163 ppid: 4161 flags:0x00004002 [ 286.297059][ T27] Call Trace: [ 286.300358][ T27] [ 286.303532][ T27] __schedule+0x12c4/0x45b0 [ 286.308087][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 286.314033][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.319951][ T27] ? __mod_timer+0xa8e/0xeb0 [ 286.324622][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.330531][ T27] ? mod_timer_pending+0x20/0x20 [ 286.335529][ T27] ? lockdep_softirqs_off+0x420/0x420 [ 286.340942][ T27] schedule+0x11b/0x1f0 [ 286.345245][ T27] schedule_timeout+0x1b9/0x300 [ 286.350113][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.356087][ T27] ? update_process_times+0x200/0x200 [ 286.361533][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 286.367135][ T27] gfs2_gl_hash_clear+0x1a1/0x310 [ 286.372199][ T27] ? thaw_glock+0x160/0x160 [ 286.376760][ T27] ? gfs2_jindex_free+0x495/0x4f0 [ 286.381805][ T27] ? init_wait_entry+0xd0/0xd0 [ 286.386665][ T27] ? gfs2_setbit+0x630/0x630 [ 286.391275][ T27] gfs2_put_super+0x752/0x7c0 [ 286.395997][ T27] ? gfs2_evict_inode+0x1320/0x1320 [ 286.401211][ T27] generic_shutdown_super+0x130/0x310 [ 286.406695][ T27] kill_block_super+0x7a/0xe0 [ 286.411386][ T27] deactivate_locked_super+0xa0/0x110 [ 286.416812][ T27] cleanup_mnt+0x44e/0x500 [ 286.421244][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.426510][ T27] task_work_run+0x129/0x1a0 [ 286.431120][ T27] exit_to_user_mode_loop+0x106/0x130 [ 286.436533][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 286.442095][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 286.447723][ T27] do_syscall_64+0x47/0xb0 [ 286.452181][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.456902][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.462839][ T27] RIP: 0033:0x7fddb42c33c7 [ 286.467333][ T27] RSP: 002b:00007ffd19747818 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 286.475794][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fddb42c33c7 [ 286.483833][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd197478d0 [ 286.491829][ T27] RBP: 00007ffd197478d0 R08: 0000000000000000 R09: 0000000000000000 [ 286.499875][ T27] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd19748930 [ 286.507917][ T27] R13: 0000555557c3e6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.515969][ T27] [ 286.519020][ T27] [ 286.519020][ T27] Showing all locks held in the system: [ 286.526827][ T27] 1 lock held by khungtaskd/27: [ 286.531692][ T27] #0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.541132][ T27] 2 locks held by getty/3932: [ 286.545883][ T27] #0: ffff88802bf3b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.555687][ T27] #1: ffffc90002cbe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.565873][ T27] 1 lock held by syz-executor187/4163: [ 286.571321][ T27] #0: ffff88802a2bc0e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 286.581574][ T27] [ 286.583944][ T27] ============================================= [ 286.583944][ T27] [ 286.592347][ T27] NMI backtrace for cpu 0 [ 286.596668][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.171-syzkaller #0 [ 286.604634][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 286.614674][ T27] Call Trace: [ 286.617950][ T27] [ 286.620869][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.625545][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.631166][ T27] ? panic+0x860/0x860 [ 286.635228][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.640340][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.645291][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.650151][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.656310][ T27] ? _printk+0xd1/0x120 [ 286.660473][ T27] ? panic+0x860/0x860 [ 286.664566][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.669414][ T27] ? panic+0x860/0x860 [ 286.673478][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 286.678495][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.684562][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.690563][ T27] watchdog+0xe72/0xeb0 [ 286.694752][ T27] kthread+0x3f6/0x4f0 [ 286.698817][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.703837][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.708420][ T27] ret_from_fork+0x1f/0x30 [ 286.712837][ T27] [ 286.715975][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.721254][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.722243][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.737900][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.171-syzkaller #0 [ 286.745866][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 286.755994][ T27] Call Trace: [ 286.759260][ T27] [ 286.762178][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.766870][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.772511][ T27] ? panic+0x860/0x860 [ 286.776603][ T27] panic+0x318/0x860 [ 286.780493][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.786118][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.792264][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.797456][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.803517][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.809666][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.815833][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.821978][ T27] watchdog+0xeb0/0xeb0 [ 286.826136][ T27] kthread+0x3f6/0x4f0 [ 286.830196][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.835215][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.839813][ T27] ret_from_fork+0x1f/0x30 [ 286.844229][ T27] [ 286.847536][ T27] Kernel Offset: disabled [ 286.851861][ T27] Rebooting in 86400 seconds..