Warning: Permanently added '10.128.0.166' (ED25519) to the list of known hosts.
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[ 286.460095][ T27] INFO: task syz-executor232:4190 blocked for more than 143 seconds.
[ 286.468307][ T27] Not tainted 5.15.180-syzkaller #0
[ 286.474183][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.482927][ T27] task:syz-executor232 state:D stack:25008 pid: 4190 ppid: 4178 flags:0x00004002
[ 286.492224][ T27] Call Trace:
[ 286.495527][ T27]
[ 286.498461][ T27] __schedule+0x12c4/0x45b0
[ 286.503074][ T27] ? perf_event_release_kernel+0x5f4/0x900
[ 286.508917][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.514008][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.519973][ T27] ? __mutex_unlock_slowpath+0x218/0x750
[ 286.525606][ T27] schedule+0x11b/0x1f0
[ 286.530090][ T27] perf_pending_task_sync+0x13c/0x1c0
[ 286.535501][ T27] _free_event+0x34/0xe60
[ 286.540109][ T27] perf_event_release_kernel+0x873/0x900
[ 286.545773][ T27] ? __might_sleep+0xc0/0xc0
[ 286.550427][ T27] ? calc_timer_values+0x420/0x420
[ 286.555557][ T27] ? ima_file_free+0xeb/0x3c0
[ 286.560394][ T27] perf_release+0x37/0x40
[ 286.564742][ T27] ? perf_mmap+0x13f0/0x13f0
[ 286.569345][ T27] __fput+0x3fe/0x8e0
[ 286.573403][ T27] task_work_run+0x129/0x1a0
[ 286.578014][ T27] do_exit+0x6a3/0x2480
[ 286.582283][ T27] ? put_task_struct+0x80/0x80
[ 286.587062][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.593093][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.598052][ T27] do_group_exit+0x144/0x310
[ 286.602767][ T27] __x64_sys_exit_group+0x3b/0x40
[ 286.607818][ T27] do_syscall_64+0x3b/0x80
[ 286.612278][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.616972][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.623036][ T27] RIP: 0033:0x7f2fea4e5d89
[ 286.627468][ T27] RSP: 002b:00007ffe1e519e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 286.635953][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2fea4e5d89
[ 286.644005][ T27] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 286.652016][ T27] RBP: 00007f2fea5612b0 R08: ffffffffffffffb8 R09: 0000000000000000
[ 286.660037][ T27] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f2fea5612b0
[ 286.668005][ T27] R13: 0000000000000000 R14: 00007f2fea561d00 R15: 00007f2fea4b6ff0
[ 286.676046][ T27]
[ 286.679090][ T27]
[ 286.679090][ T27] Showing all locks held in the system:
[ 286.686905][ T27] 1 lock held by khungtaskd/27:
[ 286.691792][ T27] #0: ffffffff8cb1f4e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.701320][ T27] 4 locks held by klogd/3534:
[ 286.706023][ T27] #0: ffff8880b8e3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 286.716001][ T27] #1: ffffffff8cb1f4e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x9/0x30
[ 286.725420][ T27] #2: ffff88807dc145a8 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xae/0x12c0
[ 286.734701][ T27] #3: ffff8880b8e3a318 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 286.744709][ T27] 2 locks held by getty/3926:
[ 286.749376][ T27] #0: ffff88807ec80098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.759185][ T27] #1: ffffc900025ae2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.769387][ T27]
[ 286.771750][ T27] =============================================
[ 286.771750][ T27]
[ 286.780240][ T27] NMI backtrace for cpu 1
[ 286.784579][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[ 286.792545][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.802586][ T27] Call Trace:
[ 286.805854][ T27]
[ 286.808776][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.813451][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.819080][ T27] ? panic+0x860/0x860
[ 286.823137][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.828238][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.833177][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.838019][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.844163][ T27] ? _printk+0xd1/0x120
[ 286.848310][ T27] ? panic+0x860/0x860
[ 286.852368][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.857207][ T27] ? panic+0x860/0x860
[ 286.861283][ T27] ? __rcu_read_unlock+0x92/0x100
[ 286.866297][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.872349][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.878322][ T27] watchdog+0xe72/0xeb0
[ 286.882474][ T27] kthread+0x3f6/0x4f0
[ 286.886534][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.891548][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.896141][ T27] ret_from_fork+0x1f/0x30
[ 286.900553][ T27]
[ 286.903677][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.908922][ C0] NMI backtrace for cpu 0 skipped: idling at default_idle+0xb/0x10
[ 286.909908][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.923761][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.180-syzkaller #0
[ 286.931744][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.941790][ T27] Call Trace:
[ 286.945124][ T27]
[ 286.948045][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.952754][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.958376][ T27] ? panic+0x860/0x860
[ 286.962442][ T27] panic+0x318/0x860
[ 286.966330][ T27] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[ 286.972931][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.979075][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.984263][ T27] ? __irq_work_queue_local+0x122/0x180
[ 286.990083][ T27] ? irq_work_queue+0xc6/0x150
[ 286.994840][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.000897][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.006951][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.013007][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[ 287.019165][ T27] watchdog+0xeb0/0xeb0
[ 287.023318][ T27] kthread+0x3f6/0x4f0
[ 287.027376][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.032418][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.036999][ T27] ret_from_fork+0x1f/0x30
[ 287.041432][ T27]
[ 287.044599][ T27] Kernel Offset: disabled
[ 287.048929][ T27] Rebooting in 86400 seconds..