Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts.
executing program
executing program
[ 286.373683][ T27] INFO: task syz-executor194:4182 blocked for more than 143 seconds.
[ 286.382084][ T27] Not tainted 5.15.173-syzkaller #0
[ 286.387899][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.396614][ T27] task:syz-executor194 state:D stack:25216 pid: 4182 ppid: 4179 flags:0x00004002
[ 286.405965][ T27] Call Trace:
[ 286.409253][ T27]
[ 286.412180][ T27] __schedule+0x12c4/0x45b0
[ 286.416754][ T27] ? perf_event_release_kernel+0x5f4/0x900
[ 286.422608][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.427635][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.433570][ T27] ? __mutex_unlock_slowpath+0x218/0x750
[ 286.439223][ T27] schedule+0x11b/0x1f0
[ 286.443425][ T27] perf_pending_task_sync+0x13c/0x1c0
[ 286.448813][ T27] _free_event+0x34/0xe60
[ 286.453300][ T27] perf_event_release_kernel+0x873/0x900
[ 286.458956][ T27] ? __might_sleep+0xc0/0xc0
[ 286.463606][ T27] ? calc_timer_values+0x420/0x420
[ 286.468753][ T27] ? ima_file_free+0xeb/0x3c0
[ 286.473477][ T27] perf_release+0x37/0x40
[ 286.477820][ T27] ? perf_mmap+0x13f0/0x13f0
[ 286.482402][ T27] __fput+0x3fe/0x8e0
[ 286.486456][ T27] task_work_run+0x129/0x1a0
[ 286.491056][ T27] do_exit+0x6a3/0x2480
[ 286.495269][ T27] ? put_task_struct+0x80/0x80
[ 286.500060][ T27] do_group_exit+0x144/0x310
[ 286.504706][ T27] get_signal+0xc66/0x14e0
[ 286.509145][ T27] arch_do_signal_or_restart+0xc3/0x1890
[ 286.514828][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.519885][ T27] ? rcu_is_watching+0x11/0xa0
[ 286.524706][ T27] ? get_sigframe_size+0x10/0x10
[ 286.529677][ T27] ? exit_to_user_mode_loop+0x39/0x130
[ 286.535180][ T27] exit_to_user_mode_loop+0x97/0x130
[ 286.540479][ T27] exit_to_user_mode_prepare+0xb1/0x140
[ 286.546069][ T27] syscall_exit_to_user_mode+0x5d/0x240
[ 286.551640][ T27] do_syscall_64+0x47/0xb0
[ 286.556100][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.560820][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.566766][ T27] RIP: 0033:0x7f6f5fa62c39
[ 286.571202][ T27] RSP: 002b:00007ffd43628b68 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
[ 286.579659][ T27] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00007f6f5fa62c39
[ 286.587850][ T27] RDX: afffffffffffffff RSI: 0000000000000000 RDI: 0000000020000180
[ 286.595855][ T27] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006
[ 286.603881][ T27] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000
[ 286.611853][ T27] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
[ 286.619885][ T27]
[ 286.622958][ T27]
[ 286.622958][ T27] Showing all locks held in the system:
[ 286.630683][ T27] 1 lock held by khungtaskd/27:
[ 286.635691][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.645151][ T27] 2 locks held by getty/3927:
[ 286.649831][ T27] #0: ffff88802c70c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.659656][ T27] #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.669907][ T27]
[ 286.672228][ T27] =============================================
[ 286.672228][ T27]
[ 286.680683][ T27] NMI backtrace for cpu 1
[ 286.685020][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.693001][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.703058][ T27] Call Trace:
[ 286.706327][ T27]
[ 286.709254][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.713927][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.719659][ T27] ? panic+0x860/0x860
[ 286.723750][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.728868][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.733809][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.738772][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.744926][ T27] ? _printk+0xd1/0x120
[ 286.749095][ T27] ? panic+0x860/0x860
[ 286.753228][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.758102][ T27] ? panic+0x860/0x860
[ 286.762174][ T27] ? __rcu_read_unlock+0x92/0x100
[ 286.767193][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.773259][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.779267][ T27] watchdog+0xe72/0xeb0
[ 286.783428][ T27] kthread+0x3f6/0x4f0
[ 286.787493][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.792509][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.797107][ T27] ret_from_fork+0x1f/0x30
[ 286.801525][ T27]
[ 286.804667][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.809921][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.810963][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.826468][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.834435][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.844476][ T27] Call Trace:
[ 286.847742][ T27]
[ 286.850674][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.855347][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.860973][ T27] ? panic+0x860/0x860
[ 286.865050][ T27] panic+0x318/0x860
[ 286.868942][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 286.874594][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.880736][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.885924][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.891981][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.898138][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 286.904280][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 286.910520][ T27] watchdog+0xeb0/0xeb0
[ 286.914675][ T27] kthread+0x3f6/0x4f0
[ 286.918762][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.923795][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.928376][ T27] ret_from_fork+0x1f/0x30
[ 286.932813][ T27]
[ 286.935949][ T27] Kernel Offset: disabled
[ 286.940310][ T27] Rebooting in 86400 seconds..