Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts.
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[  286.327500][   T27] INFO: task syz-executor210:4516 blocked for more than 143 seconds.
[  286.335686][   T27]       Not tainted 5.15.181-syzkaller #0
[  286.341470][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.350191][   T27] task:syz-executor210 state:D stack:26976 pid: 4516 ppid:  4180 flags:0x00004002
[  286.359444][   T27] Call Trace:
[  286.362729][   T27]  <TASK>
[  286.365651][   T27]  __schedule+0x11b8/0x43b0
[  286.370224][   T27]  ? __mutex_trylock_common+0x14f/0x250
[  286.375824][   T27]  ? perf_event_release_kernel+0x1ff/0x8c0
[  286.381659][   T27]  ? __lock_acquire+0x7c60/0x7c60
[  286.386724][   T27]  ? release_firmware_map_entry+0x190/0x190
[  286.392757][   T27]  ? perf_adjust_period+0x4e0/0x4e0
[  286.398026][   T27]  schedule+0x11b/0x1e0
[  286.402208][   T27]  perf_pending_task_sync+0x13c/0x1c0
[  286.407715][   T27]  ? perf_mmap+0x13e0/0x13e0
[  286.412314][   T27]  _free_event+0x34/0xe60
[  286.416710][   T27]  ? perf_remove_from_context+0x10c/0x250
[  286.422450][   T27]  ? perf_mmap+0x13e0/0x13e0
[  286.427093][   T27]  perf_event_release_kernel+0x832/0x8c0
[  286.432744][   T27]  ? __might_sleep+0xf0/0xf0
[  286.437476][   T27]  ? calc_timer_values+0x410/0x410
[  286.442605][   T27]  ? __rwlock_init+0x140/0x140
[  286.447424][   T27]  ? perf_mmap+0x13e0/0x13e0
[  286.452023][   T27]  perf_release+0x37/0x40
[  286.456340][   T27]  __fput+0x234/0x930
[  286.460380][   T27]  task_work_run+0x125/0x1a0
[  286.464984][   T27]  do_exit+0x616/0x20a0
[  286.469193][   T27]  ? put_task_struct+0x80/0x80
[  286.473998][   T27]  ? lock_chain_count+0x20/0x20
[  286.478882][   T27]  do_group_exit+0x12e/0x300
[  286.483498][   T27]  ? lockdep_hardirqs_on+0x94/0x140
[  286.488734][   T27]  get_signal+0x6ca/0x12c0
[  286.493171][   T27]  arch_do_signal_or_restart+0xc1/0x1300
[  286.498865][   T27]  ? __lock_acquire+0x7c60/0x7c60
[  286.503925][   T27]  ? get_sigframe_size+0x10/0x10
[  286.508895][   T27]  ? __rseq_handle_notify_resume+0x363/0xf40
[  286.514886][   T27]  ? __might_sleep+0xf0/0xf0
[  286.519530][   T27]  ? exit_to_user_mode_loop+0x3b/0x130
[  286.525004][   T27]  exit_to_user_mode_loop+0x9e/0x130
[  286.530335][   T27]  exit_to_user_mode_prepare+0xb1/0x140
[  286.535903][   T27]  syscall_exit_to_user_mode+0x16/0x40
[  286.541409][   T27]  do_syscall_64+0x58/0xa0
[  286.545843][   T27]  ? clear_bhb_loop+0x15/0x70
[  286.550544][   T27]  ? clear_bhb_loop+0x15/0x70
[  286.555228][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.561182][   T27] RIP: 0033:0x7fa0b6e6d3a9
[  286.565600][   T27] RSP: 002b:00007fa0b6e2e218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[  286.574042][   T27] RAX: 0000000000000000 RBX: 00007fa0b6ef7308 RCX: 00007fa0b6e6d3a9
[  286.582053][   T27] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa0b6ef7308
[  286.590053][   T27] RBP: 00007fa0b6ef7300 R08: 0000000000000000 R09: 0000000000000000
[  286.598050][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000038
[  286.606010][   T27] R13: 0000003000000000 R14: 0000200000000028 R15: 0000200000000000
[  286.614021][   T27]  </TASK>
[  286.617097][   T27] 
[  286.617097][   T27] Showing all locks held in the system:
[  286.624818][   T27] 1 lock held by khungtaskd/27:
[  286.629697][   T27]  #0: ffffffff8c11be60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  286.639119][   T27] 2 locks held by getty/3926:
[  286.643790][   T27]  #0: ffff88814ce10098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  286.653662][   T27]  #1: ffffc900026362e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[  286.663811][   T27] 
[  286.666121][   T27] =============================================
[  286.666121][   T27] 
[  286.674575][   T27] NMI backtrace for cpu 0
[  286.678908][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0
[  286.686869][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[  286.696909][   T27] Call Trace:
[  286.700201][   T27]  <TASK>
[  286.703114][   T27]  dump_stack_lvl+0x168/0x230
[  286.707787][   T27]  ? show_regs_print_info+0x20/0x20
[  286.712976][   T27]  ? load_image+0x3b0/0x3b0
[  286.717466][   T27]  ? nmi_cpu_backtrace+0x1b6/0x3d0
[  286.722570][   T27]  nmi_cpu_backtrace+0x397/0x3d0
[  286.727498][   T27]  ? nmi_trigger_cpumask_backtrace+0x280/0x280
[  286.733638][   T27]  ? _printk+0xcc/0x110
[  286.737791][   T27]  ? load_image+0x3b0/0x3b0
[  286.742386][   T27]  ? load_image+0x3b0/0x3b0
[  286.746879][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  286.753049][   T27]  nmi_trigger_cpumask_backtrace+0x163/0x280
[  286.759157][   T27]  watchdog+0xe0f/0xe50
[  286.763334][   T27]  kthread+0x436/0x520
[  286.767388][   T27]  ? hungtask_pm_notify+0x40/0x40
[  286.772400][   T27]  ? kthread_blkcg+0xd0/0xd0
[  286.776979][   T27]  ret_from_fork+0x1f/0x30
[  286.781393][   T27]  </TASK>
[  286.784489][   T27] Sending NMI from CPU 0 to CPUs 1:
[  286.789751][    C1] NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10
[  286.790735][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  286.805435][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.181-syzkaller #0
[  286.813414][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[  286.823458][   T27] Call Trace:
[  286.826727][   T27]  <TASK>
[  286.829641][   T27]  dump_stack_lvl+0x168/0x230
[  286.834314][   T27]  ? show_regs_print_info+0x20/0x20
[  286.839516][   T27]  ? load_image+0x3b0/0x3b0
[  286.844034][   T27]  panic+0x2c9/0x7f0
[  286.847920][   T27]  ? bpf_jit_dump+0xd0/0xd0
[  286.852412][   T27]  ? load_image+0x3b0/0x3b0
[  286.856896][   T27]  ? irq_work_queue+0xbf/0x140
[  286.861649][   T27]  watchdog+0xe4e/0xe50
[  286.865807][   T27]  kthread+0x436/0x520
[  286.869861][   T27]  ? hungtask_pm_notify+0x40/0x40
[  286.874882][   T27]  ? kthread_blkcg+0xd0/0xd0
[  286.879463][   T27]  ret_from_fork+0x1f/0x30
[  286.883871][   T27]  </TASK>
[  286.887210][   T27] Kernel Offset: disabled
[  286.891543][   T27] Rebooting in 86400 seconds..