Warning: Permanently added '10.128.1.141' (ED25519) to the list of known hosts. executing program [ 137.574077][ T3581] loop0: detected capacity change from 0 to 32768 [ 137.697159][ T3581] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 137.706821][ T3581] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 137.724095][ T3581] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 137.734767][ T21] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 137.741608][ T21] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 137.772437][ T21] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 30ms [ 137.781337][ T21] gfs2: fsid=syz:syz.0: jid=0: Done [ 137.787134][ T3581] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 286.314599][ T27] INFO: task syz-executor247:3580 blocked for more than 143 seconds. [ 286.322745][ T27] Not tainted 5.15.165-syzkaller #0 [ 286.328615][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.337351][ T27] task:syz-executor247 state:D stack:24864 pid: 3580 ppid: 3578 flags:0x00004002 [ 286.346709][ T27] Call Trace: [ 286.349998][ T27] [ 286.352927][ T27] __schedule+0x12c4/0x45b0 [ 286.357470][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 286.363392][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 286.369279][ T27] ? __mod_timer+0xa8e/0xeb0 [ 286.373914][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.379803][ T27] ? mod_timer_pending+0x20/0x20 [ 286.384784][ T27] ? lockdep_softirqs_off+0x420/0x420 [ 286.390154][ T27] schedule+0x11b/0x1f0 [ 286.394325][ T27] schedule_timeout+0x1b9/0x300 [ 286.399276][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.405211][ T27] ? update_process_times+0x200/0x200 [ 286.410585][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 286.416073][ T27] gfs2_gl_hash_clear+0x1a1/0x310 [ 286.421113][ T27] ? thaw_glock+0x160/0x160 [ 286.425734][ T27] ? gfs2_jindex_free+0x495/0x4f0 [ 286.430760][ T27] ? init_wait_entry+0xd0/0xd0 [ 286.435661][ T27] ? gfs2_setbit+0x630/0x630 [ 286.440353][ T27] gfs2_put_super+0x752/0x7c0 [ 286.445090][ T27] ? gfs2_evict_inode+0x1320/0x1320 [ 286.450307][ T27] generic_shutdown_super+0x136/0x2c0 [ 286.455734][ T27] kill_block_super+0x7a/0xe0 [ 286.460409][ T27] deactivate_locked_super+0xa0/0x110 [ 286.465851][ T27] cleanup_mnt+0x44e/0x500 [ 286.470282][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.475509][ T27] task_work_run+0x129/0x1a0 [ 286.480188][ T27] exit_to_user_mode_loop+0x106/0x130 [ 286.485601][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 286.491142][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 286.496824][ T27] do_syscall_64+0x47/0xb0 [ 286.501237][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.507801][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.513933][ T27] RIP: 0033:0x7f4a88572407 [ 286.518433][ T27] RSP: 002b:00007ffd974570e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 286.526966][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4a88572407 [ 286.534966][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd974571a0 [ 286.542931][ T27] RBP: 00007ffd974571a0 R08: 0000000000000000 R09: 0000000000000000 [ 286.551210][ T27] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd97458200 [ 286.559218][ T27] R13: 000055555591c6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.567236][ T27] [ 286.570261][ T27] [ 286.570261][ T27] Showing all locks held in the system: [ 286.578022][ T27] 1 lock held by khungtaskd/27: [ 286.582867][ T27] #0: ffffffff8c91fbe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.592455][ T27] 2 locks held by getty/3336: [ 286.597151][ T27] #0: ffff888029ea4098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.607357][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.617488][ T27] 1 lock held by syz-executor247/3580: [ 286.622921][ T27] #0: ffff88801a9f60e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 286.633229][ T27] [ 286.635577][ T27] ============================================= [ 286.635577][ T27] [ 286.644006][ T27] NMI backtrace for cpu 1 [ 286.648325][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.165-syzkaller #0 [ 286.656278][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 286.666391][ T27] Call Trace: [ 286.669643][ T27] [ 286.672546][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.677197][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.682798][ T27] ? panic+0x860/0x860 [ 286.686840][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.691923][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.696841][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.701772][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.707997][ T27] ? _printk+0xd1/0x120 [ 286.712131][ T27] ? panic+0x860/0x860 [ 286.716172][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.720994][ T27] ? panic+0x860/0x860 [ 286.725240][ T27] ? __rcu_read_unlock+0x92/0x100 [ 286.730285][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.736340][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.742334][ T27] watchdog+0xe72/0xeb0 [ 286.746473][ T27] kthread+0x3f6/0x4f0 [ 286.750512][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.755505][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.760064][ T27] ret_from_fork+0x1f/0x30 [ 286.764473][ T27] [ 286.767597][ T27] Sending NMI from CPU 1 to CPUs 0: [ 286.772834][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.773824][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.788391][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.165-syzkaller #0 [ 286.796443][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 286.806482][ T27] Call Trace: [ 286.809744][ T27] [ 286.812736][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.817393][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.823007][ T27] ? panic+0x860/0x860 [ 286.827068][ T27] panic+0x318/0x860 [ 286.830953][ T27] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 286.837084][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.843311][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.848494][ T27] ? __irq_work_queue_local+0x122/0x180 [ 286.854010][ T27] ? irq_work_queue+0xc6/0x150 [ 286.858754][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.864965][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.871347][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.877385][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0 [ 286.883518][ T27] watchdog+0xeb0/0xeb0 [ 286.887653][ T27] kthread+0x3f6/0x4f0 [ 286.891695][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.896704][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.901373][ T27] ret_from_fork+0x1f/0x30 [ 286.905766][ T27] [ 286.909022][ T27] Kernel Offset: disabled [ 286.913357][ T27] Rebooting in 86400 seconds..