Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts.
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[ 286.479759][ T31] INFO: task syz-executor341:6067 blocked for more than 143 seconds.
[ 286.488101][ T31] Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0
[ 286.495397][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.504123][ T31] task:syz-executor341 state:D stack:29616 pid:6067 tgid:6065 ppid:5854 task_flags:0x400040 flags:0x00004006
[ 286.516293][ T31] Call Trace:
[ 286.519720][ T31]
[ 286.522720][ T31] __schedule+0x116a/0x5de0
[ 286.527345][ T31] ? __lock_acquire+0x622/0x1c90
[ 286.532342][ T31] ? __pfx___schedule+0x10/0x10
[ 286.537324][ T31] ? find_held_lock+0x2b/0x80
[ 286.542039][ T31] ? schedule+0x2d7/0x3a0
[ 286.546406][ T31] schedule+0xe7/0x3a0
[ 286.550649][ T31] futex_hash_allocate+0xd0a/0xf00
[ 286.555826][ T31] ? __pfx_futex_hash_allocate+0x10/0x10
[ 286.561563][ T31] ? _raw_spin_unlock_irq+0x23/0x50
[ 286.566826][ T31] ? __pfx_var_wake_function+0x10/0x10
[ 286.572360][ T31] ? cap_task_prctl+0x2af/0xa80
[ 286.577349][ T31] ? static_key_count+0x5a/0x70
[ 286.582233][ T31] futex_hash_prctl+0x1f4/0x650
[ 286.587126][ T31] __do_sys_prctl+0x171f/0x24c0
[ 286.592070][ T31] ? __pfx___do_sys_prctl+0x10/0x10
[ 286.597403][ T31] do_syscall_64+0xcd/0x490
[ 286.601963][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 286.608050][ T31] RIP: 0033:0x7f42706752a9
[ 286.612529][ T31] RSP: 002b:00007f427060d238 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 286.621085][ T31] RAX: ffffffffffffffda RBX: 00007f42706ff318 RCX: 00007f42706752a9
[ 286.629188][ T31] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000004e
[ 286.637267][ T31] RBP: 00007f42706ff310 R08: 0000000000000000 R09: 00007f427060d6c0
[ 286.645285][ T31] R10: 0000000000000001 R11: 0000000000000246 R12: 00007f42706ff31c
[ 286.653347][ T31] R13: 0000000000000000 R14: 00007ffdd85d0a10 R15: 00007ffdd85d0af8
[ 286.661421][ T31]
[ 286.664472][ T31]
[ 286.664472][ T31] Showing all locks held in the system:
[ 286.672353][ T31] 1 lock held by khungtaskd/31:
[ 286.677396][ T31] #0: ffffffff8e3c4b40 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0
[ 286.687409][ T31] 2 locks held by getty/5597:
[ 286.692208][ T31] #0: ffff888035e720a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 286.702131][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0
[ 286.712428][ T31]
[ 286.714795][ T31] =============================================
[ 286.714795][ T31]
[ 286.723341][ T31] NMI backtrace for cpu 1
[ 286.723369][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full)
[ 286.723407][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.723423][ T31] Call Trace:
[ 286.723432][ T31]
[ 286.723443][ T31] dump_stack_lvl+0x116/0x1f0
[ 286.723474][ T31] nmi_cpu_backtrace+0x27b/0x390
[ 286.723511][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 286.723588][ T31] nmi_trigger_cpumask_backtrace+0x29c/0x300
[ 286.723634][ T31] watchdog+0xf70/0x12c0
[ 286.723686][ T31] ? __pfx_watchdog+0x10/0x10
[ 286.723728][ T31] ? lockdep_hardirqs_on+0x7c/0x110
[ 286.723791][ T31] ? __kthread_parkme+0x19e/0x250
[ 286.723833][ T31] ? __pfx_watchdog+0x10/0x10
[ 286.723880][ T31] kthread+0x3c2/0x780
[ 286.723925][ T31] ? __pfx_kthread+0x10/0x10
[ 286.723974][ T31] ? rcu_is_watching+0x12/0xc0
[ 286.724005][ T31] ? __pfx_kthread+0x10/0x10
[ 286.724051][ T31] ret_from_fork+0x5d7/0x6f0
[ 286.724093][ T31] ? __pfx_kthread+0x10/0x10
[ 286.724140][ T31] ret_from_fork_asm+0x1a/0x30
[ 286.724193][ T31]
[ 286.724205][ T31] Sending NMI from CPU 1 to CPUs 0:
[ 286.843362][ C0] NMI backtrace for cpu 0
[ 286.843381][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full)
[ 286.843413][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.843428][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 286.843474][ C0] Code: 0b 56 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d b3 1e 0e 00 fb f4 0c fb 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 286.843503][ C0] RSP: 0018:ffffffff8e007e08 EFLAGS: 000002c6
[ 286.843523][ C0] RAX: 00000000000e2ce9 RBX: 0000000000000000 RCX: ffffffff8b7bec69
[ 286.843540][ C0] RDX: 0000000000000000 RSI: ffffffff8dc134a5 RDI: ffffffff8bf55a20
[ 286.843556][ C0] RBP: fffffbfff1c12ef0 R08: 0000000000000001 R09: ffffed1017086645
[ 286.843577][ C0] R10: ffff8880b843322b R11: 0000000000000001 R12: 0000000000000000
[ 286.843592][ C0] R13: ffffffff8e097780 R14: ffffffff90883650 R15: 0000000000000000
[ 286.843609][ C0] FS: 0000000000000000(0000) GS:ffff888124962000(0000) knlGS:0000000000000000
[ 286.843632][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 286.843648][ C0] CR2: 000055cacddef660 CR3: 000000000e182000 CR4: 00000000003526f0
[ 286.843664][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 286.843679][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 286.843694][ C0] Call Trace:
[ 286.843704][ C0]
[ 286.843712][ C0] default_idle+0x13/0x20
[ 286.843740][ C0] default_idle_call+0x6d/0xb0
[ 286.843768][ C0] do_idle+0x391/0x510
[ 286.843795][ C0] ? __pfx_do_idle+0x10/0x10
[ 286.843820][ C0] ? trace_sched_exit_tp+0x31/0x130
[ 286.843852][ C0] cpu_startup_entry+0x4f/0x60
[ 286.843878][ C0] rest_init+0x16b/0x2b0
[ 286.843907][ C0] ? acpi_subsystem_init+0x133/0x180
[ 286.843943][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 286.843994][ C0] start_kernel+0x3ee/0x4d0
[ 286.844030][ C0] x86_64_start_reservations+0x18/0x30
[ 286.844067][ C0] x86_64_start_kernel+0x130/0x190
[ 286.844103][ C0] common_startup_64+0x13e/0x148
[ 286.844153][ C0]
[ 286.844337][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.844365][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full)
[ 286.844411][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 286.844431][ T31] Call Trace:
[ 286.844448][ T31]
[ 286.844462][ T31] dump_stack_lvl+0x3d/0x1f0
[ 286.844499][ T31] panic+0x71c/0x800
[ 286.844550][ T31] ? __pfx_panic+0x10/0x10
[ 286.844597][ T31] ? __pfx__printk+0x10/0x10
[ 286.844644][ T31] ? ret_from_fork_asm+0x1a/0x30
[ 286.844687][ T31] ? nmi_backtrace_stall_check+0x6e/0x540
[ 286.844752][ T31] ? irq_work_queue+0xce/0x100
[ 286.844790][ T31] ? watchdog+0xdda/0x12c0
[ 286.844843][ T31] ? watchdog+0xdcd/0x12c0
[ 286.844901][ T31] watchdog+0xdeb/0x12c0
[ 286.844963][ T31] ? __pfx_watchdog+0x10/0x10
[ 286.845014][ T31] ? lockdep_hardirqs_on+0x7c/0x110
[ 286.845073][ T31] ? __kthread_parkme+0x19e/0x250
[ 286.845119][ T31] ? __pfx_watchdog+0x10/0x10
[ 286.845173][ T31] kthread+0x3c2/0x780
[ 286.845225][ T31] ? __pfx_kthread+0x10/0x10
[ 286.845291][ T31] ? rcu_is_watching+0x12/0xc0
[ 286.845327][ T31] ? __pfx_kthread+0x10/0x10
[ 286.845378][ T31] ret_from_fork+0x5d7/0x6f0
[ 286.845424][ T31] ? __pfx_kthread+0x10/0x10
[ 286.845475][ T31] ret_from_fork_asm+0x1a/0x30
[ 286.845530][ T31]
[ 287.188430][ T31] Kernel Offset: disabled
[ 287.192776][ T31] Rebooting in 86400 seconds..