DUID 00:04:a7:d6:bd:5e:06:04:37:16:34:40:3a:bd:6c:34:91:c7
forked to background, child pid 3838
[ 38.641609][ T3839] 8021q: adding VLAN 0 to HW filter on device bond0
[ 38.653122][ T3839] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.463590][ T21] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.46' (ED25519) to the list of known hosts.
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[ 286.262949][ T27] INFO: task syz-executor590:4203 blocked for more than 143 seconds.
[ 286.271228][ T27] Not tainted 5.15.178-syzkaller #0
[ 286.277503][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.286274][ T27] task:syz-executor590 state:D stack:26432 pid: 4203 ppid: 4179 flags:0x00004002
[ 286.295612][ T27] Call Trace:
[ 286.298924][ T27]
[ 286.301956][ T27] __schedule+0x12c4/0x45b0
[ 286.306521][ T27] ? perf_event_release_kernel+0x5f4/0x900
[ 286.312384][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.317445][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.323442][ T27] ? __mutex_unlock_slowpath+0x218/0x750
[ 286.329110][ T27] schedule+0x11b/0x1f0
[ 286.333343][ T27] perf_pending_task_sync+0x13c/0x1c0
[ 286.338755][ T27] _free_event+0x34/0xe60
[ 286.343227][ T27] perf_event_release_kernel+0x873/0x900
[ 286.348915][ T27] ? __might_sleep+0xc0/0xc0
[ 286.353671][ T27] ? calc_timer_values+0x420/0x420
[ 286.358920][ T27] ? ima_file_free+0xeb/0x3c0
[ 286.363669][ T27] perf_release+0x37/0x40
[ 286.368011][ T27] ? perf_mmap+0x13f0/0x13f0
[ 286.372641][ T27] __fput+0x3fe/0x8e0
[ 286.376658][ T27] task_work_run+0x129/0x1a0
[ 286.381255][ T27] do_exit+0x6a3/0x2480
[ 286.385491][ T27] ? put_task_struct+0x80/0x80
[ 286.390275][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.396303][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.401264][ T27] do_group_exit+0x144/0x310
[ 286.405933][ T27] __x64_sys_exit_group+0x3b/0x40
[ 286.410978][ T27] do_syscall_64+0x3b/0xb0
[ 286.415552][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.420274][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.426319][ T27] RIP: 0033:0x7f1c51c3ec49
[ 286.430749][ T27] RSP: 002b:00007fff85018308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 286.439223][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c51c3ec49
[ 286.447262][ T27] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 286.455286][ T27] RBP: 00007f1c51cb9290 R08: ffffffffffffffb8 R09: 0000000000000006
[ 286.463312][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007f1c51cb9290
[ 286.471285][ T27] R13: 0000000000000000 R14: 00007f1c51cb9ce0 R15: 00007f1c51c0fea0
[ 286.479431][ T27]
[ 286.482631][ T27]
[ 286.482631][ T27] Showing all locks held in the system:
[ 286.490363][ T27] 1 lock held by khungtaskd/27:
[ 286.495370][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.504839][ T27] 2 locks held by getty/3933:
[ 286.509518][ T27] #0: ffff88814cd21098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.519893][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.530095][ T27]
[ 286.532447][ T27] =============================================
[ 286.532447][ T27]
[ 286.540927][ T27] NMI backtrace for cpu 1
[ 286.545261][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.553241][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.563292][ T27] Call Trace:
[ 286.566567][ T27]
[ 286.569557][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.574251][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.579894][ T27] ? panic+0x860/0x860
[ 286.584179][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.589297][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.594244][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.599104][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.605266][ T27] ? _printk+0xd1/0x120
[ 286.609425][ T27] ? panic+0x860/0x860
[ 286.613499][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.618363][ T27] ? panic+0x860/0x860
[ 286.622454][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.627485][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.633556][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.639535][ T27] watchdog+0xe72/0xeb0
[ 286.643694][ T27] kthread+0x3f6/0x4f0
[ 286.647768][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.652783][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.657380][ T27] ret_from_fork+0x1f/0x30
[ 286.661816][ T27]
[ 286.664971][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.670218][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.672088][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.686881][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.694862][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.704907][ T27] Call Trace:
[ 286.708178][ T27]
[ 286.711096][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.715771][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.721407][ T27] ? panic+0x860/0x860
[ 286.725478][ T27] panic+0x318/0x860
[ 286.729368][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 286.734990][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.741137][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.746340][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.752432][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.758575][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 286.764722][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 286.770877][ T27] watchdog+0xeb0/0xeb0
[ 286.775044][ T27] kthread+0x3f6/0x4f0
[ 286.779115][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.784132][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.788714][ T27] ret_from_fork+0x1f/0x30
[ 286.793137][ T27]
[ 286.796457][ T27] Kernel Offset: disabled
[ 286.800785][ T27] Rebooting in 86400 seconds..