Warning: Permanently added '10.128.0.14' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 301.775748][ T27] INFO: task syz-executor393:5484 blocked for more than 143 seconds. [ 301.784074][ T27] Not tainted 5.15.174-syzkaller #0 [ 301.789858][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 301.798737][ T27] task:syz-executor393 state:D stack:27104 pid: 5484 ppid: 4179 flags:0x00004006 [ 301.808237][ T27] Call Trace: [ 301.811545][ T27] [ 301.814699][ T27] __schedule+0x12c4/0x45b0 [ 301.819385][ T27] ? perf_event_release_kernel+0x5f4/0x900 [ 301.825468][ T27] ? __lock_acquire+0x1ff0/0x1ff0 [ 301.830615][ T27] ? release_firmware_map_entry+0x190/0x190 [ 301.836594][ T27] ? __mutex_unlock_slowpath+0x218/0x750 [ 301.842271][ T27] schedule+0x11b/0x1f0 [ 301.846560][ T27] perf_pending_task_sync+0x13c/0x1c0 [ 301.852084][ T27] _free_event+0x34/0xe60 [ 301.856551][ T27] perf_event_release_kernel+0x873/0x900 [ 301.862216][ T27] ? calc_timer_values+0x420/0x420 [ 301.867387][ T27] ? __rwlock_init+0x140/0x140 [ 301.872248][ T27] ? ima_file_free+0xeb/0x3c0 [ 301.877021][ T27] perf_release+0x37/0x40 [ 301.881385][ T27] ? perf_mmap+0x13f0/0x13f0 [ 301.886198][ T27] __fput+0x3fe/0x8e0 [ 301.890233][ T27] task_work_run+0x129/0x1a0 [ 301.894843][ T27] exit_to_user_mode_loop+0x106/0x130 [ 301.900549][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 301.906164][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 301.911812][ T27] do_syscall_64+0x47/0xb0 [ 301.916280][ T27] ? clear_bhb_loop+0x15/0x70 [ 301.921066][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 301.927696][ T27] RIP: 0033:0x7f3db5999819 [ 301.932144][ T27] RSP: 002b:00007ffed71f10b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 301.940819][ T27] RAX: 0000000000000000 RBX: 0000000000025c51 RCX: 00007f3db5999819 [ 301.948878][ T27] RDX: 00007f3db5999819 RSI: 00000000ffffffff RDI: 0000000000000003 [ 301.956986][ T27] RBP: 0000000000000000 R08: 00007ffed71f10ec R09: 00007ffed71f10ec [ 301.964981][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffed71f10ec [ 301.973040][ T27] R13: 00007ffed71f12b0 R14: 00007ffed71f1100 R15: 0000000000000517 [ 301.981214][ T27] [ 301.984256][ T27] [ 301.984256][ T27] Showing all locks held in the system: [ 301.992071][ T27] 1 lock held by khungtaskd/27: [ 301.996966][ T27] #0: ffffffff8cb1fd20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 302.006458][ T27] 2 locks held by getty/3932: [ 302.011262][ T27] #0: ffff88814c542098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 302.021072][ T27] #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 302.031350][ T27] [ 302.033830][ T27] ============================================= [ 302.033830][ T27] [ 302.042331][ T27] NMI backtrace for cpu 0 [ 302.046902][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.174-syzkaller #0 [ 302.054892][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 302.065077][ T27] Call Trace: [ 302.068364][ T27] [ 302.071382][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 302.076073][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 302.081881][ T27] ? panic+0x860/0x860 [ 302.085950][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 302.091061][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 302.095995][ T27] ? __wake_up_klogd+0xd5/0x100 [ 302.100861][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 302.107009][ T27] ? _printk+0xd1/0x120 [ 302.111292][ T27] ? panic+0x860/0x860 [ 302.115450][ T27] ? __wake_up_klogd+0xcc/0x100 [ 302.120344][ T27] ? panic+0x860/0x860 [ 302.124428][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 302.129465][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 302.135578][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 302.141840][ T27] watchdog+0xe72/0xeb0 [ 302.146018][ T27] kthread+0x3f6/0x4f0 [ 302.150090][ T27] ? hungtask_pm_notify+0x50/0x50 [ 302.155129][ T27] ? kthread_blkcg+0xd0/0xd0 [ 302.159734][ T27] ret_from_fork+0x1f/0x30 [ 302.164163][ T27] [ 302.167249][ T27] Sending NMI from CPU 0 to CPUs 1: [ 302.172493][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 302.173481][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 302.189196][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.174-syzkaller #0 [ 302.197172][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 302.207230][ T27] Call Trace: [ 302.210524][ T27] [ 302.213454][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 302.218137][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 302.223857][ T27] ? panic+0x860/0x860 [ 302.227931][ T27] panic+0x318/0x860 [ 302.231845][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 302.238015][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 302.243225][ T27] ? panic+0x860/0x860 [ 302.247430][ T27] ? irq_work_queue+0xcd/0x150 [ 302.252221][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 302.258615][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 302.264849][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 302.270927][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0 [ 302.277088][ T27] watchdog+0xeb0/0xeb0 [ 302.281252][ T27] kthread+0x3f6/0x4f0 [ 302.285421][ T27] ? hungtask_pm_notify+0x50/0x50 [ 302.290475][ T27] ? kthread_blkcg+0xd0/0xd0 [ 302.295169][ T27] ret_from_fork+0x1f/0x30 [ 302.299696][ T27] [ 302.303033][ T27] Kernel Offset: disabled [ 302.307465][ T27] Rebooting in 86400 seconds..