Warning: Permanently added '10.128.0.103' (ED25519) to the list of known hosts.
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[ 286.058198][ T27] INFO: task syz-executor251:4242 blocked for more than 143 seconds.
[ 286.066322][ T27] Not tainted 5.15.185-syzkaller #0
[ 286.072072][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.080776][ T27] task:syz-executor251 state:D stack:27376 pid: 4242 ppid: 4189 flags:0x00004002
[ 286.090006][ T27] Call Trace:
[ 286.093279][ T27]
[ 286.096212][ T27] __schedule+0x11b8/0x43b0
[ 286.100748][ T27] ? __mutex_trylock_common+0x14f/0x250
[ 286.106297][ T27] ? perf_event_release_kernel+0x1ff/0x8c0
[ 286.112114][ T27] ? __lock_acquire+0x7c60/0x7c60
[ 286.117135][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.123060][ T27] ? perf_adjust_period+0x4e0/0x4e0
[ 286.128291][ T27] schedule+0x11b/0x1e0
[ 286.132427][ T27] perf_pending_task_sync+0x13c/0x1c0
[ 286.137774][ T27] ? perf_mmap+0x13e0/0x13e0
[ 286.142399][ T27] _free_event+0x34/0xe60
[ 286.146710][ T27] ? perf_remove_from_context+0x10c/0x250
[ 286.152525][ T27] ? perf_mmap+0x13e0/0x13e0
[ 286.157107][ T27] perf_event_release_kernel+0x832/0x8c0
[ 286.162762][ T27] ? __might_sleep+0xf0/0xf0
[ 286.167454][ T27] ? calc_timer_values+0x410/0x410
[ 286.172617][ T27] ? __rwlock_init+0x140/0x140
[ 286.177380][ T27] ? perf_mmap+0x13e0/0x13e0
[ 286.181992][ T27] perf_release+0x37/0x40
[ 286.186336][ T27] __fput+0x234/0x930
[ 286.190337][ T27] task_work_run+0x125/0x1a0
[ 286.194921][ T27] do_exit+0x616/0x20a0
[ 286.199095][ T27] ? put_task_struct+0x80/0x80
[ 286.203856][ T27] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 286.209844][ T27] ? lock_chain_count+0x20/0x20
[ 286.214704][ T27] do_group_exit+0x12e/0x300
[ 286.219321][ T27] __x64_sys_exit_group+0x3b/0x40
[ 286.224350][ T27] do_syscall_64+0x4c/0xa0
[ 286.228891][ T27] ? clear_bhb_loop+0x30/0x80
[ 286.233577][ T27] ? clear_bhb_loop+0x30/0x80
[ 286.238295][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.244224][ T27] RIP: 0033:0x7f60fb656c49
[ 286.248664][ T27] RSP: 002b:00007ffdd069d8c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 286.257075][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60fb656c49
[ 286.265073][ T27] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 286.273060][ T27] RBP: 00007f60fb6d1290 R08: ffffffffffffffb8 R09: 0000000000000006
[ 286.281062][ T27] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f60fb6d1290
[ 286.289047][ T27] R13: 0000000000000000 R14: 00007f60fb6d1ce0 R15: 00007f60fb627ea0
[ 286.297007][ T27]
[ 286.300061][ T27]
[ 286.300061][ T27] Showing all locks held in the system:
[ 286.307779][ T27] 1 lock held by khungtaskd/27:
[ 286.312660][ T27] #0: ffffffff8c11bfa0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.322003][ T27] 1 lock held by klogd/3536:
[ 286.326589][ T27] #0: ffff8880b903a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 286.336512][ T27] 2 locks held by getty/3952:
[ 286.341292][ T27] #0: ffff88814cb7b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.351037][ T27] #1: ffffc900026462e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30
[ 286.361346][ T27]
[ 286.363666][ T27] =============================================
[ 286.363666][ T27]
[ 286.372091][ T27] NMI backtrace for cpu 1
[ 286.376406][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 286.384356][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.394474][ T27] Call Trace:
[ 286.397734][ T27]
[ 286.400645][ T27] dump_stack_lvl+0x168/0x230
[ 286.405387][ T27] ? show_regs_print_info+0x20/0x20
[ 286.410563][ T27] ? load_image+0x3b0/0x3b0
[ 286.415042][ T27] ? nmi_cpu_backtrace+0x1b6/0x3d0
[ 286.420128][ T27] nmi_cpu_backtrace+0x397/0x3d0
[ 286.425040][ T27] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 286.431173][ T27] ? _printk+0xcc/0x110
[ 286.435324][ T27] ? load_image+0x3b0/0x3b0
[ 286.439812][ T27] ? load_image+0x3b0/0x3b0
[ 286.444301][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.450344][ T27] nmi_trigger_cpumask_backtrace+0x163/0x280
[ 286.456298][ T27] watchdog+0xe0f/0xe50
[ 286.460431][ T27] kthread+0x436/0x520
[ 286.464496][ T27] ? hungtask_pm_notify+0x40/0x40
[ 286.469514][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.474090][ T27] ret_from_fork+0x1f/0x30
[ 286.478497][ T27]
[ 286.481591][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.486811][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 286.487865][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.502720][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.185-syzkaller #0
[ 286.510679][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.520814][ T27] Call Trace:
[ 286.524081][ T27]
[ 286.526994][ T27] dump_stack_lvl+0x168/0x230
[ 286.531653][ T27] ? show_regs_print_info+0x20/0x20
[ 286.536855][ T27] ? load_image+0x3b0/0x3b0
[ 286.541358][ T27] panic+0x2c9/0x7f0
[ 286.545243][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 286.550859][ T27] ? bpf_jit_dump+0xd0/0xd0
[ 286.555355][ T27] ? __irq_work_queue_local+0x12c/0x190
[ 286.560885][ T27] ? nmi_trigger_cpumask_backtrace+0x260/0x280
[ 286.567119][ T27] watchdog+0xe4e/0xe50
[ 286.571271][ T27] kthread+0x436/0x520
[ 286.575457][ T27] ? hungtask_pm_notify+0x40/0x40
[ 286.580475][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.585048][ T27] ret_from_fork+0x1f/0x30
[ 286.589468][ T27]
[ 286.592699][ T27] Kernel Offset: disabled
[ 286.597019][ T27] Rebooting in 86400 seconds..