Warning: Permanently added '10.128.1.137' (ED25519) to the list of known hosts.
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[ 286.302721][ T27] INFO: task syz-executor291:4189 blocked for more than 143 seconds.
[ 286.310954][ T27] Not tainted 5.15.178-syzkaller #0
[ 286.316807][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.325551][ T27] task:syz-executor291 state:D stack:26272 pid: 4189 ppid: 4181 flags:0x00004002
[ 286.334854][ T27] Call Trace:
[ 286.338146][ T27]
[ 286.341074][ T27] __schedule+0x12c4/0x45b0
[ 286.345657][ T27] ? perf_event_release_kernel+0x5f4/0x900
[ 286.351602][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.356634][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.362582][ T27] ? __mutex_unlock_slowpath+0x218/0x750
[ 286.368233][ T27] schedule+0x11b/0x1f0
[ 286.372437][ T27] perf_pending_task_sync+0x13c/0x1c0
[ 286.377834][ T27] _free_event+0x34/0xe60
[ 286.382251][ T27] perf_event_release_kernel+0x873/0x900
[ 286.387900][ T27] ? __might_sleep+0xc0/0xc0
[ 286.392540][ T27] ? calc_timer_values+0x420/0x420
[ 286.397671][ T27] ? ima_file_free+0xeb/0x3c0
[ 286.402396][ T27] perf_release+0x37/0x40
[ 286.406752][ T27] ? perf_mmap+0x13f0/0x13f0
[ 286.411395][ T27] __fput+0x3fe/0x8e0
[ 286.415414][ T27] task_work_run+0x129/0x1a0
[ 286.420004][ T27] do_exit+0x6a3/0x2480
[ 286.424224][ T27] ? put_task_struct+0x80/0x80
[ 286.429005][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.435042][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.440000][ T27] do_group_exit+0x144/0x310
[ 286.444651][ T27] __x64_sys_exit_group+0x3b/0x40
[ 286.449691][ T27] do_syscall_64+0x3b/0xb0
[ 286.454155][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.458964][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.464921][ T27] RIP: 0033:0x7f57fd0fcc49
[ 286.469347][ T27] RSP: 002b:00007ffcad159048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 286.477917][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f57fd0fcc49
[ 286.485938][ T27] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 286.493965][ T27] RBP: 00007f57fd177290 R08: ffffffffffffffb8 R09: 0000000000000006
[ 286.502006][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007f57fd177290
[ 286.509975][ T27] R13: 0000000000000000 R14: 00007f57fd177ce0 R15: 00007f57fd0cdea0
[ 286.518089][ T27]
[ 286.521142][ T27]
[ 286.521142][ T27] Showing all locks held in the system:
[ 286.528943][ T27] 1 lock held by khungtaskd/27:
[ 286.533825][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.543241][ T27] 2 locks held by getty/3929:
[ 286.547918][ T27] #0: ffff88814cc35098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.557710][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.567912][ T27]
[ 286.570244][ T27] =============================================
[ 286.570244][ T27]
[ 286.578701][ T27] NMI backtrace for cpu 1
[ 286.583043][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.591008][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.601146][ T27] Call Trace:
[ 286.604414][ T27]
[ 286.607353][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.612023][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.617648][ T27] ? panic+0x860/0x860
[ 286.621711][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.626817][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.631761][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.636607][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.642746][ T27] ? _printk+0xd1/0x120
[ 286.646904][ T27] ? panic+0x860/0x860
[ 286.651133][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.655973][ T27] ? panic+0x860/0x860
[ 286.660049][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.665078][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.671150][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.677123][ T27] watchdog+0xe72/0xeb0
[ 286.681298][ T27] kthread+0x3f6/0x4f0
[ 286.685354][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.690365][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.694965][ T27] ret_from_fork+0x1f/0x30
[ 286.699401][ T27]
[ 286.702549][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.707784][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.711670][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.724338][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.732312][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 286.742356][ T27] Call Trace:
[ 286.745626][ T27]
[ 286.748543][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.753212][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.758838][ T27] ? panic+0x860/0x860
[ 286.762901][ T27] panic+0x318/0x860
[ 286.766782][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 286.772402][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.778544][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.783734][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.789840][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.796005][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 286.802185][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 286.808333][ T27] watchdog+0xeb0/0xeb0
[ 286.812664][ T27] kthread+0x3f6/0x4f0
[ 286.816721][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.821734][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.826313][ T27] ret_from_fork+0x1f/0x30
[ 286.830725][ T27]
[ 286.834089][ T27] Kernel Offset: disabled
[ 286.838426][ T27] Rebooting in 86400 seconds..