Warning: Permanently added '10.128.1.113' (ED25519) to the list of known hosts. executing program [ 673.123747][ T3542] loop0: detected capacity change from 0 to 32768 [ 673.212594][ T3542] gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz" [ 673.223319][ T3542] gfs2: fsid=syz:syz: Now mounting FS (format 1801)... [ 673.241835][ T3542] gfs2: fsid=syz:syz.0: journal 0 mapped with 16 extents in 0ms [ 673.251912][ T3526] gfs2: fsid=syz:syz.0: jid=0, already locked for use [ 673.259293][ T3526] gfs2: fsid=syz:syz.0: jid=0: Looking at journal... [ 673.306321][ T3526] gfs2: fsid=syz:syz.0: jid=0: Journal head lookup took 47ms [ 673.314351][ T3526] gfs2: fsid=syz:syz.0: jid=0: Done [ 673.320243][ T3542] gfs2: fsid=syz:syz.0: first mount done, others may mount [ 859.777467][ T27] INFO: task syz-executor418:3541 blocked for more than 143 seconds. [ 859.785911][ T27] Not tainted 5.15.158-syzkaller #0 [ 859.791800][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.800613][ T27] task:syz-executor418 state:D stack:24864 pid: 3541 ppid: 3539 flags:0x00004002 [ 859.810032][ T27] Call Trace: [ 859.813320][ T27] [ 859.816253][ T27] __schedule+0x12c4/0x45b0 [ 859.820923][ T27] ? _raw_spin_unlock_irqrestore+0x8b/0x130 [ 859.826872][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 859.833000][ T27] ? __mod_timer+0xa8e/0xeb0 [ 859.837716][ T27] ? release_firmware_map_entry+0x190/0x190 [ 859.843607][ T27] ? mod_timer_pending+0x20/0x20 [ 859.848602][ T27] ? lockdep_softirqs_off+0x420/0x420 [ 859.854022][ T27] schedule+0x11b/0x1f0 [ 859.858300][ T27] schedule_timeout+0x1b9/0x300 [ 859.863167][ T27] ? console_conditional_schedule+0x40/0x40 [ 859.869096][ T27] ? update_process_times+0x200/0x200 [ 859.874497][ T27] ? prepare_to_wait_event+0x3aa/0x3e0 [ 859.880080][ T27] gfs2_gl_hash_clear+0x1a1/0x310 [ 859.885195][ T27] ? thaw_glock+0x160/0x160 [ 859.889729][ T27] ? gfs2_jindex_free+0x495/0x4f0 [ 859.894796][ T27] ? init_wait_entry+0xd0/0xd0 [ 859.899613][ T27] ? gfs2_setbit+0x630/0x630 [ 859.904242][ T27] gfs2_put_super+0x752/0x7c0 [ 859.909041][ T27] ? gfs2_evict_inode+0x1320/0x1320 [ 859.914254][ T27] generic_shutdown_super+0x136/0x2c0 [ 859.919706][ T27] kill_block_super+0x7a/0xe0 [ 859.924396][ T27] deactivate_locked_super+0xa0/0x110 [ 859.929898][ T27] cleanup_mnt+0x44e/0x500 [ 859.934495][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 859.939997][ T27] task_work_run+0x129/0x1a0 [ 859.944732][ T27] exit_to_user_mode_loop+0x106/0x130 [ 859.950149][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 859.955725][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 859.961320][ T27] do_syscall_64+0x47/0xb0 [ 859.965845][ T27] ? clear_bhb_loop+0x15/0x70 [ 859.970573][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 859.976477][ T27] RIP: 0033:0x7fc1056313c7 [ 859.980925][ T27] RSP: 002b:00007fff63dccff8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 859.989382][ T27] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc1056313c7 [ 859.997404][ T27] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff63dcd0b0 [ 860.005393][ T27] RBP: 00007fff63dcd0b0 R08: 0000000000000000 R09: 0000000000000000 [ 860.013497][ T27] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff63dce110 [ 860.021665][ T27] R13: 000055555613c6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 860.029715][ T27] [ 860.032769][ T27] [ 860.032769][ T27] Showing all locks held in the system: [ 860.040562][ T27] 1 lock held by khungtaskd/27: [ 860.045431][ T27] #0: ffffffff8c91fae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 860.054908][ T27] 2 locks held by getty/3275: [ 860.059638][ T27] #0: ffff88814b2db098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 860.069613][ T27] #1: ffffc90002bab2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 860.079970][ T27] 1 lock held by syz-executor418/3541: [ 860.085457][ T27] #0: ffff8880789980e0 (&type->s_umount_key#43){++++}-{3:3}, at: deactivate_super+0xa9/0xe0 [ 860.095685][ T27] [ 860.098139][ T27] ============================================= [ 860.098139][ T27] [ 860.106534][ T27] NMI backtrace for cpu 0 [ 860.110859][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.158-syzkaller #0 [ 860.118824][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.128864][ T27] Call Trace: [ 860.132130][ T27] [ 860.135047][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.139740][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.145364][ T27] ? panic+0x860/0x860 [ 860.149487][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 860.154660][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 860.159585][ T27] ? __wake_up_klogd+0xd5/0x100 [ 860.164457][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 860.170600][ T27] ? _printk+0xd1/0x120 [ 860.174744][ T27] ? panic+0x860/0x860 [ 860.178802][ T27] ? __wake_up_klogd+0xcc/0x100 [ 860.183654][ T27] ? panic+0x860/0x860 [ 860.187849][ T27] ? __rcu_read_unlock+0x92/0x100 [ 860.192964][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.199056][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 860.205038][ T27] watchdog+0xe72/0xeb0 [ 860.209240][ T27] kthread+0x3f6/0x4f0 [ 860.213325][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.218347][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.222933][ T27] ret_from_fork+0x1f/0x30 [ 860.227371][ T27] [ 860.230555][ T27] Sending NMI from CPU 0 to CPUs 1: [ 860.235800][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 860.236781][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 860.252358][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.158-syzkaller #0 [ 860.260426][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 860.270484][ T27] Call Trace: [ 860.273765][ T27] [ 860.276690][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 860.281370][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 860.287014][ T27] ? panic+0x860/0x860 [ 860.291088][ T27] panic+0x318/0x860 [ 860.295071][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 860.301224][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 860.306414][ T27] ? panic+0x860/0x860 [ 860.310483][ T27] ? irq_work_queue+0xcd/0x150 [ 860.315292][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.321360][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.327510][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.333584][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0 [ 860.339748][ T27] watchdog+0xeb0/0xeb0 [ 860.343923][ T27] kthread+0x3f6/0x4f0 [ 860.348199][ T27] ? hungtask_pm_notify+0x50/0x50 [ 860.353307][ T27] ? kthread_blkcg+0xd0/0xd0 [ 860.357904][ T27] ret_from_fork+0x1f/0x30 [ 860.362342][ T27] [ 860.365632][ T27] Kernel Offset: disabled [ 860.369979][ T27] Rebooting in 86400 seconds..