Warning: Permanently added '10.128.0.24' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 520.267067][ T24] audit: type=1400 audit(1713262219.689:66): avc: denied { execmem } for pid=780 comm="syz-executor113" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 620.297455][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 620.304242][ C1] rcu: 0-...!: (1 ticks this GP) idle=eaa/1/0x4000000000000000 softirq=3670/3670 fqs=4 last_accelerate: 55bf/7cd3 dyntick_enabled: 1 [ 620.317759][ C1] (detected by 1, t=10002 jiffies, g=4273, q=222) [ 620.324116][ C1] Sending NMI from CPU 1 to CPUs 0: [ 620.330216][ C1] NMI backtrace for cpu 0 [ 620.330222][ C1] CPU: 0 PID: 797 Comm: syz-executor113 Not tainted 5.10.209-syzkaller-00002-g4e1bc8d8e8ae #0 [ 620.330228][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 620.330232][ C1] RIP: 0010:snd_hrtimer_callback+0xf4/0x330 [ 620.330243][ C1] Code: e8 03 48 89 45 a0 42 80 3c 30 00 74 08 4c 89 ef e8 e1 4d 05 fe 49 8b 45 00 48 89 45 b8 48 8b 7d d0 e8 10 45 0e 01 48 8b 45 c8 <48> 8d 58 30 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 [ 620.330247][ C1] RSP: 0018:ffffc90000007cd8 EFLAGS: 00000002 [ 620.330256][ C1] RAX: ffff8881067e1d08 RBX: ffff8881067e1d50 RCX: 0000000000010002 [ 620.330261][ C1] RDX: ffff88811eae3b40 RSI: 0000000000000001 RDI: 0000000000000001 [ 620.330266][ C1] RBP: ffffc90000007d50 R08: ffffffff83a2d515 R09: 0000000000000003 [ 620.330271][ C1] R10: fffff52000000f8c R11: dffffc0000000001 R12: 1ffff11021645e96 [ 620.330276][ C1] R13: ffff88810b22f4b8 R14: dffffc0000000000 R15: 1ffff11020cfc3a0 [ 620.330281][ C1] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 620.330285][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 620.330290][ C1] CR2: 00007ff9fe423130 CR3: 000000010a59c000 CR4: 00000000003506b0 [ 620.330295][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 620.330300][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 620.330303][ C1] Call Trace: [ 620.330305][ C1] [ 620.330308][ C1] ? show_regs+0x58/0x60 [ 620.330312][ C1] ? nmi_cpu_backtrace+0x133/0x160 [ 620.330316][ C1] ? snd_hrtimer_callback+0xf4/0x330 [ 620.330319][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 620.330323][ C1] ? nmi_handle+0xa8/0x280 [ 620.330326][ C1] ? snd_hrtimer_callback+0xf4/0x330 [ 620.330330][ C1] ? default_do_nmi+0x69/0x160 [ 620.330333][ C1] ? exc_nmi+0xaf/0x120 [ 620.330336][ C1] ? end_repeat_nmi+0x16/0x31 [ 620.330340][ C1] ? snd_hrtimer_callback+0x85/0x330 [ 620.330343][ C1] ? snd_hrtimer_callback+0xf4/0x330 [ 620.330347][ C1] ? snd_hrtimer_callback+0xf4/0x330 [ 620.330351][ C1] ? snd_hrtimer_callback+0xf4/0x330 [ 620.330353][ C1] [ 620.330355][ C1] [ 620.330359][ C1] ? snd_hrtimer_stop+0xa0/0xa0 [ 620.330362][ C1] __hrtimer_run_queues+0x3d7/0xa50 [ 620.330366][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 620.330370][ C1] ? clockevents_program_event+0x21b/0x2c0 [ 620.330374][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 620.330377][ C1] hrtimer_interrupt+0x39a/0x8b0 [ 620.330381][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 620.330384][ C1] asm_call_irq_on_stack+0xf/0x20 [ 620.330387][ C1] [ 620.330391][ C1] sysvec_apic_timer_interrupt+0x85/0xe0 [ 620.330395][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 620.330399][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x51/0x80 [ 620.330409][ C1] Code: 74 0c 48 c7 c7 b0 76 6c 86 e8 1b 08 f7 fc 48 83 3d 73 5b bb 01 00 74 37 48 89 df e8 fd 85 9f fc 66 90 4c 89 75 e8 ff 75 e8 9d 01 00 00 00 e8 75 f6 97 fc 65 8b 05 2a 52 51 7b 85 c0 74 09 48 [ 620.330413][ C1] RSP: 0018:ffffc90000b97a60 EFLAGS: 00000246 [ 620.330420][ C1] RAX: 0000000000000001 RBX: ffff88810b22f538 RCX: dffffc0000000000 [ 620.330425][ C1] RDX: 0000000000000000 RSI: 0000000000000246 RDI: ffff88810b22f538 [ 620.330430][ C1] RBP: ffffc90000b97a78 R08: ffffffff83a230f7 R09: ffffed1021812d4e [ 620.330435][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810b22f4b0 [ 620.330440][ C1] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 620.330443][ C1] ? snd_timer_notify1+0x217/0x350 [ 620.330447][ C1] snd_timer_stop1+0x7af/0x8f0 [ 620.330450][ C1] snd_timer_close_locked+0x22e/0x920 [ 620.330454][ C1] snd_timer_user_release+0x121/0x2c0 [ 620.330457][ C1] ? snd_timer_user_open+0x180/0x180 [ 620.330461][ C1] ? snd_timer_user_open+0x180/0x180 [ 620.330464][ C1] __fput+0x309/0x760 [ 620.330467][ C1] ____fput+0x15/0x20 [ 620.330470][ C1] task_work_run+0x129/0x190 [ 620.330473][ C1] do_exit+0xc83/0x2a50 [ 620.330477][ C1] ? put_task_struct+0x80/0x80 [ 620.330480][ C1] ? down_read_trylock+0x179/0x1d0 [ 620.330484][ C1] ? debug_smp_processor_id+0x17/0x20 [ 620.330488][ C1] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 620.330491][ C1] do_group_exit+0x141/0x310 [ 620.330495][ C1] __x64_sys_exit_group+0x3f/0x40 [ 620.330498][ C1] do_syscall_64+0x34/0x70 [ 620.330502][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 620.330505][ C1] RIP: 0033:0x7ff9fe3a7db9 [ 620.330510][ C1] Code: Unable to access opcode bytes at RIP 0x7ff9fe3a7d8f. [ 620.330513][ C1] RSP: 002b:00007fff1442d048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 620.330522][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9fe3a7db9 [ 620.330527][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 620.330532][ C1] RBP: 00007ff9fe4222b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 620.330537][ C1] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007ff9fe4222b0 [ 620.330542][ C1] R13: 0000000000000000 R14: 00007ff9fe422d20 R15: 00007ff9fe378f60 [ 620.330557][ C1] rcu: rcu_preempt kthread starved for 9994 jiffies! g4273 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 620.822452][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 620.832253][ C1] rcu: RCU grace-period kthread stack dump: [ 620.837990][ C1] task:rcu_preempt state:R running task stack: 0 pid: 13 ppid: 2 flags:0x00004000 [ 620.848569][ C1] Call Trace: [ 620.851706][ C1] __schedule+0xbe6/0x1330 [ 620.855953][ C1] ? __sched_text_start+0x8/0x8 [ 620.860636][ C1] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 620.865934][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 620.870621][ C1] schedule+0x13d/0x1d0 [ 620.874612][ C1] schedule_timeout+0x18c/0x360 [ 620.879297][ C1] ? prepare_to_swait_event+0x39f/0x3e0 [ 620.884678][ C1] ? console_conditional_schedule+0x10/0x10 [ 620.890410][ C1] ? run_local_timers+0x160/0x160 [ 620.895768][ C1] rcu_gp_kthread+0xefc/0x23a0 [ 620.900345][ C1] ? dyntick_save_progress_counter+0x1c0/0x1c0 [ 620.906356][ C1] ? rcu_barrier_callback+0x50/0x50 [ 620.911362][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 620.916064][ C1] ? __kasan_check_read+0x11/0x20 [ 620.920909][ C1] ? __kthread_parkme+0xb9/0x1c0 [ 620.931903][ C1] kthread+0x34b/0x3d0 [ 620.935878][ C1] ? rcu_barrier_callback+0x50/0x50 [ 620.941005][ C1] ? kthread_blkcg+0xd0/0xd0 [ 620.945436][ C1] ret_from_fork+0x1f/0x30 [ 770.906993][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [kworker/u4:1:777] [ 770.915133][ C1] Modules linked in: [ 770.918872][ C1] CPU: 1 PID: 777 Comm: kworker/u4:1 Not tainted 5.10.209-syzkaller-00002-g4e1bc8d8e8ae #0 [ 770.928673][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 770.938580][ C1] Workqueue: events_unbound toggle_allocation_gate [ 770.944910][ C1] RIP: 0010:smp_call_function_single+0x278/0x510 [ 770.951069][ C1] Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 ba f0 0a 00 41 83 e5 01 75 0a e8 ff ec 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00 [ 770.971029][ C1] RSP: 0018:ffffc90000097720 EFLAGS: 00000293 [ 770.976933][ C1] RAX: ffffffff815fbb14 RBX: 1ffff92000012eed RCX: ffff88810b46cf00 [ 770.984743][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 770.992556][ C1] RBP: ffffc90000097810 R08: ffffffff815fbae6 R09: ffffed103ee0aec9 [ 771.000366][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 771.008177][ C1] R13: 0000000000000001 R14: ffffc90000097768 R15: 0000000000000000 [ 771.015992][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 771.024929][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 771.031362][ C1] CR2: 00007ff9fe4200d0 CR3: 000000000660f000 CR4: 00000000003506a0 [ 771.039166][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 771.046978][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 771.054783][ C1] Call Trace: [ 771.057909][ C1] [ 771.060611][ C1] ? show_regs+0x58/0x60 [ 771.064683][ C1] ? watchdog_timer_fn+0x471/0x590 [ 771.069628][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 771.074751][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 771.079958][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 771.084905][ C1] ? clockevents_program_event+0x214/0x2c0 [ 771.090548][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 771.096451][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 771.101544][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 771.107431][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 771.112467][ C1] [ 771.115250][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 771.120884][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 771.126877][ C1] ? smp_call_function_single+0x266/0x510 [ 771.132427][ C1] ? smp_call_function_single+0x294/0x510 [ 771.137986][ C1] ? smp_call_function_single+0x278/0x510 [ 771.143536][ C1] ? text_poke_sync+0x20/0x20 [ 771.148048][ C1] ? flush_smp_call_function_from_idle+0x1b0/0x1b0 [ 771.154383][ C1] ? cpumask_any_but+0x18/0xb0 [ 771.158980][ C1] ? text_poke_sync+0x20/0x20 [ 771.163494][ C1] ? cpumask_any_but+0xa3/0xb0 [ 771.168096][ C1] smp_call_function_many_cond+0x94e/0xa30 [ 771.173743][ C1] ? __kmalloc_track_caller+0xe8/0x320 [ 771.179030][ C1] ? text_poke_sync+0x20/0x20 [ 771.183544][ C1] ? smp_call_function_many+0x40/0x40 [ 771.188752][ C1] ? text_poke+0x20/0x20 [ 771.192832][ C1] ? text_poke_sync+0x20/0x20 [ 771.197343][ C1] on_each_cpu+0xa8/0x1a0 [ 771.201513][ C1] ? __kmalloc_track_caller+0xe8/0x320 [ 771.206805][ C1] ? smp_call_function+0x90/0x90 [ 771.211576][ C1] ? text_poke_loc_init+0xc5/0x580 [ 771.216527][ C1] ? text_poke_finish+0x30/0x30 [ 771.221213][ C1] text_poke_bp_batch+0x1d4/0x600 [ 771.226075][ C1] ? __kasan_check_write+0x14/0x20 [ 771.231021][ C1] ? text_poke_loc_init+0x580/0x580 [ 771.236143][ C1] ? __kasan_check_write+0x14/0x20 [ 771.241094][ C1] ? mutex_lock+0xa5/0x110 [ 771.245340][ C1] ? mutex_trylock+0xa0/0xa0 [ 771.249768][ C1] ? __kasan_check_write+0x14/0x20 [ 771.254716][ C1] text_poke_finish+0x1a/0x30 [ 771.259230][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 771.265045][ C1] __jump_label_update+0x36a/0x380 [ 771.269992][ C1] jump_label_update+0x379/0x400 [ 771.274768][ C1] static_key_enable_cpuslocked+0x12f/0x250 [ 771.280493][ C1] static_key_enable+0x1a/0x30 [ 771.285095][ C1] toggle_allocation_gate+0xbf/0x450 [ 771.290216][ C1] ? kfence_protect+0x270/0x270 [ 771.294903][ C1] ? finish_task_switch+0x130/0x5a0 [ 771.299936][ C1] ? __switch_to_asm+0x34/0x60 [ 771.304537][ C1] ? __kasan_check_read+0x11/0x20 [ 771.309397][ C1] ? read_word_at_a_time+0x12/0x20 [ 771.314342][ C1] ? strscpy+0x9c/0x260 [ 771.318337][ C1] process_one_work+0x6dc/0xbd0 [ 771.323025][ C1] worker_thread+0xaea/0x1510 [ 771.327537][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 771.332228][ C1] ? __kasan_check_read+0x11/0x20 [ 771.337343][ C1] kthread+0x34b/0x3d0 [ 771.341252][ C1] ? worker_clr_flags+0x180/0x180 [ 771.346112][ C1] ? kthread_blkcg+0xd0/0xd0 [ 771.350536][ C1] ret_from_fork+0x1f/0x30