Warning: Permanently added '10.128.0.112' (ED25519) to the list of known hosts. executing program [ 808.685599][ T4208] loop0: detected capacity change from 0 to 32768 [ 808.776784][ T4208] gfs2: fsid=statfs_quantum: Trying to join cluster "lock_nolock", "statfs_quantum" [ 808.787267][ T4208] gfs2: fsid=statfs_quantum: Now mounting FS (format 1801)... [ 808.806644][ T4208] gfs2: fsid=statfs_quantum.s: journal 0 mapped with 16 extents in 0ms [ 808.866418][ T4208] gfs2: fsid=statfs_quantum.s: first mount done, others may mount [ 1002.932021][ T27] INFO: task syz-executor595:4207 blocked for more than 143 seconds. [ 1002.940303][ T27] Not tainted 5.15.171-syzkaller #0 [ 1002.946153][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1002.954884][ T27] task:syz-executor595 state:D stack:24864 pid: 4207 ppid: 4205 flags:0x00004002 [ 1002.964145][ T27] Call Trace: [ 1002.967432][ T27] [ 1002.970373][ T27] __schedule+0x12c4/0x45b0 [ 1002.974970][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 1002.980882][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 1002.986926][ T27] ? __mod_timer+0xa8e/0xeb0 [ 1002.991541][ T27] ? release_firmware_map_entry+0x190/0x190 [ 1002.997509][ T27] ? mod_timer_pending+0x20/0x20 [ 1003.002501][ T27] ? lockdep_softirqs_off+0x420/0x420 [ 1003.007901][ T27] schedule+0x11b/0x1f0 [ 1003.012110][ T27] schedule_timeout+0x1b9/0x300 [ 1003.016977][ T27] ? console_conditional_schedule+0x40/0x40 [ 1003.022913][ T27] ? update_process_times+0x200/0x200 [ 1003.028323][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 1003.034004][ T27] gfs2_gl_hash_clear+0x1a1/0x310 [ 1003.039065][ T27] ? thaw_glock+0x160/0x160 [ 1003.043617][ T27] ? gfs2_jindex_free+0x495/0x4f0 [ 1003.048663][ T27] ? init_wait_entry+0xd0/0xd0 [ 1003.053499][ T27] ? gfs2_setbit+0x630/0x630 [ 1003.058111][ T27] gfs2_put_super+0x752/0x7c0 [ 1003.062914][ T27] ? gfs2_evict_inode+0x1320/0x1320 [ 1003.068128][ T27] generic_shutdown_super+0x130/0x310 [ 1003.073588][ T27] kill_block_super+0x7a/0xe0 [ 1003.078277][ T27] deactivate_locked_super+0xa0/0x110 [ 1003.083796][ T27] cleanup_mnt+0x44e/0x500 [ 1003.088229][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 1003.093507][ T27] task_work_run+0x129/0x1a0 [ 1003.098146][ T27] exit_to_user_mode_loop+0x106/0x130 [ 1003.103572][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 1003.109133][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 1003.114760][ T27] do_syscall_64+0x47/0xb0 [ 1003.119190][ T27] ? clear_bhb_loop+0x15/0x70 [ 1003.123904][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 1003.129814][ T27] RIP: 0033:0x7f60d25af3c7 [ 1003.134292][ T27] RSP: 002b:00007ffe8a450008 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 1003.142755][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f60d25af3c7 [ 1003.150718][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe8a4500c0 [ 1003.158759][ T27] RBP: 00007ffe8a4500c0 R08: 0000000000000000 R09: 0000000000000000 [ 1003.166942][ T27] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe8a451120 [ 1003.174976][ T27] R13: 00005555576576c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 1003.182998][ T27] [ 1003.186030][ T27] [ 1003.186030][ T27] Showing all locks held in the system: [ 1003.193809][ T27] 1 lock held by khungtaskd/27: [ 1003.198663][ T27] #0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 1003.208071][ T27] 2 locks held by getty/3927: [ 1003.212787][ T27] #0: ffff88802baa4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 1003.222604][ T27] #1: ffffc9000261e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 1003.232925][ T27] 1 lock held by syz-executor595/4207: [ 1003.238379][ T27] #0: ffff88814cd620e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 1003.248636][ T27] [ 1003.250972][ T27] ============================================= [ 1003.250972][ T27] [ 1003.259480][ T27] NMI backtrace for cpu 1 [ 1003.263821][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.171-syzkaller #0 [ 1003.271876][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 1003.282003][ T27] Call Trace: [ 1003.285286][ T27] [ 1003.288207][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 1003.292912][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 1003.298562][ T27] ? panic+0x860/0x860 [ 1003.302632][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 1003.307747][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 1003.312706][ T27] ? __wake_up_klogd+0xd5/0x100 [ 1003.317665][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 1003.323820][ T27] ? _printk+0xd1/0x120 [ 1003.327990][ T27] ? panic+0x860/0x860 [ 1003.332054][ T27] ? __wake_up_klogd+0xcc/0x100 [ 1003.336901][ T27] ? panic+0x860/0x860 [ 1003.340979][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 1003.345992][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1003.352066][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 1003.358054][ T27] watchdog+0xe72/0xeb0 [ 1003.362212][ T27] kthread+0x3f6/0x4f0 [ 1003.366267][ T27] ? hungtask_pm_notify+0x50/0x50 [ 1003.371279][ T27] ? kthread_blkcg+0xd0/0xd0 [ 1003.375854][ T27] ret_from_fork+0x1f/0x30 [ 1003.380266][ T27] [ 1003.383466][ T27] Sending NMI from CPU 1 to CPUs 0: [ 1003.388728][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 1003.392229][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1003.405387][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.171-syzkaller #0 [ 1003.413356][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 1003.423427][ T27] Call Trace: [ 1003.426703][ T27] [ 1003.429646][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 1003.434324][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 1003.439947][ T27] ? panic+0x860/0x860 [ 1003.444013][ T27] panic+0x318/0x860 [ 1003.447899][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 1003.453520][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 1003.459662][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 1003.464858][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 1003.470935][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 1003.477075][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 1003.483219][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 1003.489368][ T27] watchdog+0xeb0/0xeb0 [ 1003.493522][ T27] kthread+0x3f6/0x4f0 [ 1003.497595][ T27] ? hungtask_pm_notify+0x50/0x50 [ 1003.502616][ T27] ? kthread_blkcg+0xd0/0xd0 [ 1003.507215][ T27] ret_from_fork+0x1f/0x30 [ 1003.511643][ T27] [ 1003.515026][ T27] Kernel Offset: disabled [ 1003.519370][ T27] Rebooting in 86400 seconds..