Warning: Permanently added '10.128.0.63' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program [ 527.494708][ T28] audit: type=1400 audit(1713073001.357:66): avc: denied { execmem } for pid=794 comm="syz-executor195" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 627.508684][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 627.515465][ C0] (detected by 0, t=10002 jiffies, g=4529, q=207 ncpus=2) [ 627.522672][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10002 (4294999966-4294989964), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 627.535862][ C0] rcu: rcu_preempt kthread starved for 10002 jiffies! g4529 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 627.546787][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 627.556607][ C0] rcu: RCU grace-period kthread stack dump: [ 627.562326][ C0] task:rcu_preempt state:R running task stack:28040 pid:14 ppid:2 flags:0x00004000 [ 627.572916][ C0] Call Trace: [ 627.576038][ C0] [ 627.578817][ C0] __schedule+0xca7/0x1550 [ 627.583072][ C0] ? __sched_text_start+0x8/0x8 [ 627.587767][ C0] ? __kasan_check_write+0x14/0x20 [ 627.592829][ C0] schedule+0xc3/0x180 [ 627.596919][ C0] schedule_timeout+0x18c/0x380 [ 627.601594][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 627.606623][ C0] ? console_conditional_schedule+0x10/0x10 [ 627.612350][ C0] ? update_process_times+0x1b0/0x1b0 [ 627.617560][ C0] ? prepare_to_swait_event+0x308/0x320 [ 627.622949][ C0] rcu_gp_fqs_loop+0x2ed/0x1060 [ 627.627632][ C0] ? _raw_spin_unlock_irq+0x4d/0x70 [ 627.632665][ C0] ? rcu_gp_init+0xc7f/0xf80 [ 627.637088][ C0] ? rcu_gp_init+0xf80/0xf80 [ 627.641515][ C0] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 627.647161][ C0] ? finish_swait+0x17d/0x1b0 [ 627.651674][ C0] rcu_gp_kthread+0xa3/0x390 [ 627.656100][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 627.661561][ C0] ? set_cpus_allowed_ptr+0xa4/0xe0 [ 627.666599][ C0] ? __kasan_check_read+0x11/0x20 [ 627.671457][ C0] ? __kthread_parkme+0x12d/0x180 [ 627.676317][ C0] kthread+0x26d/0x300 [ 627.680220][ C0] ? queued_spin_lock_slowpath+0x50/0x50 [ 627.685778][ C0] ? kthread_blkcg+0xd0/0xd0 [ 627.690203][ C0] ret_from_fork+0x1f/0x30 [ 627.694461][ C0] [ 627.697319][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 627.703483][ C0] Sending NMI from CPU 0 to CPUs 1: [ 627.708530][ C1] NMI backtrace for cpu 1 [ 627.708540][ C1] CPU: 1 PID: 800 Comm: syz-executor195 Not tainted 6.1.75-syzkaller-00022-gcfa154389a65 #0 [ 627.708559][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 627.708568][ C1] RIP: 0010:snd_timer_process_callbacks+0x18d/0x310 [ 627.708674][ C1] Code: 81 e6 00 00 02 00 31 ff e8 b0 5f 91 fd 44 89 e8 25 00 00 02 00 0f 85 cf 00 00 00 4c 89 f8 4d 8d 7c 24 c0 4d 89 fe 49 c1 ee 03 <41> 80 3c 06 00 74 08 4c 89 ff e8 a4 3c d8 fd 49 8b 1f 48 b8 00 00 [ 627.708688][ C1] RSP: 0018:ffffc900001b0bb0 EFLAGS: 00000802 [ 627.708703][ C1] RAX: dffffc0000000000 RBX: ffff88811ee20810 RCX: dffffc0000000000 [ 627.708716][ C1] RDX: ffff8881214e6540 RSI: 0000000000000000 RDI: 0000000000000000 [ 627.708728][ C1] RBP: ffffc900001b0c00 R08: ffffffff83e40220 R09: 0000000000000003 [ 627.708740][ C1] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88811ee20898 [ 627.708753][ C1] R13: 000000000000001a R14: 1ffff11023dc410b R15: ffff88811ee20858 [ 627.708765][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 627.708780][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 627.708792][ C1] CR2: 00007f868d699130 CR3: 0000000006c0f000 CR4: 00000000003506a0 [ 627.708808][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 627.708818][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 627.708828][ C1] Call Trace: [ 627.708833][ C1] [ 627.708839][ C1] ? show_regs+0x58/0x60 [ 627.708857][ C1] ? nmi_cpu_backtrace+0x285/0x2f0 [ 627.708891][ C1] ? nmi_trigger_cpumask_backtrace+0x3c0/0x3c0 [ 627.708913][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.708940][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.708966][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 627.708986][ C1] ? nmi_handle+0xa7/0x280 [ 627.709004][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.709030][ C1] ? default_do_nmi+0x69/0x160 [ 627.709077][ C1] ? exc_nmi+0xaf/0x120 [ 627.709093][ C1] ? end_repeat_nmi+0x16/0x31 [ 627.709110][ C1] ? snd_timer_process_callbacks+0x170/0x310 [ 627.709136][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.709163][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.709189][ C1] ? snd_timer_process_callbacks+0x18d/0x310 [ 627.709216][ C1] [ 627.709227][ C1] [ 627.709233][ C1] snd_timer_interrupt+0xe94/0x1050 [ 627.709263][ C1] snd_hrtimer_callback+0x1db/0x330 [ 627.709281][ C1] ? snd_hrtimer_stop+0xa0/0xa0 [ 627.709297][ C1] __hrtimer_run_queues+0x41a/0xad0 [ 627.709326][ C1] ? hrtimer_interrupt+0xaa0/0xaa0 [ 627.709350][ C1] ? clockevents_program_event+0x236/0x300 [ 627.709366][ C1] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 627.709385][ C1] hrtimer_interrupt+0x40c/0xaa0 [ 627.709415][ C1] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 627.709443][ C1] sysvec_apic_timer_interrupt+0x95/0xc0 [ 627.709462][ C1] [ 627.709466][ C1] [ 627.709472][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 627.709498][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0x56/0x80 [ 627.709523][ C1] Code: ef cd 86 e8 6c f6 bc fc 48 83 3d 54 a7 ce 01 00 74 34 48 89 df e8 6e 0f 00 00 90 41 f7 c6 00 02 00 00 74 01 fb bf 01 00 00 00 35 0f 50 fc 65 8b 05 16 25 03 7b 85 c0 74 05 5b 41 5e 5d c3 e8 [ 627.709536][ C1] RSP: 0018:ffffc90001b879c8 EFLAGS: 00000206 [ 627.709550][ C1] RAX: 0000000000000001 RBX: ffff88810b9d4d38 RCX: dffffc0000000000 [ 627.709561][ C1] RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000001 [ 627.709571][ C1] RBP: ffffc90001b879d8 R08: ffffffff83e42667 R09: ffffed1023b7e64e [ 627.709584][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810b9d4cb0 [ 627.709595][ C1] R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001 [ 627.709608][ C1] ? snd_timer_notify1+0x217/0x350 [ 627.709635][ C1] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 627.709658][ C1] snd_timer_stop1+0x7af/0x8f0 [ 627.709686][ C1] snd_timer_close_locked+0x22e/0x920 [ 627.709713][ C1] snd_timer_user_release+0x121/0x2c0 [ 627.709729][ C1] ? snd_timer_user_open+0x180/0x180 [ 627.709756][ C1] ? percpu_counter_add_batch+0x13d/0x160 [ 627.709780][ C1] ? snd_timer_user_open+0x180/0x180 [ 627.709805][ C1] __fput+0x3ab/0x870 [ 627.709833][ C1] ____fput+0x15/0x20 [ 627.709857][ C1] task_work_run+0x24d/0x2e0 [ 627.709883][ C1] ? task_work_cancel+0x2b0/0x2b0 [ 627.709909][ C1] ? __kasan_check_write+0x14/0x20 [ 627.709935][ C1] ? exit_task_namespaces+0xc2/0xd0 [ 627.709954][ C1] do_exit+0xbd5/0x2b80 [ 627.709973][ C1] ? put_task_struct+0x80/0x80 [ 627.709990][ C1] ? __kasan_check_write+0x14/0x20 [ 627.710015][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 627.710037][ C1] ? _raw_spin_lock_irqsave+0x210/0x210 [ 627.710060][ C1] ? zap_other_threads+0x29c/0x2d0 [ 627.710076][ C1] ? debug_smp_processor_id+0x17/0x20 [ 627.710097][ C1] do_group_exit+0x21a/0x2d0 [ 627.710116][ C1] __x64_sys_exit_group+0x3f/0x40 [ 627.710133][ C1] do_syscall_64+0x3d/0xb0 [ 627.710148][ C1] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 627.710173][ C1] RIP: 0033:0x7f868d61ddb9 [ 627.710185][ C1] Code: Unable to access opcode bytes at 0x7f868d61dd8f. [ 627.710193][ C1] RSP: 002b:00007ffd8ee9a138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 627.710209][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f868d61ddb9 [ 627.710225][ C1] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 627.710235][ C1] RBP: 00007f868d6982b0 R08: ffffffffffffffb8 R09: 00000000000000a0 [ 627.710246][ C1] R10: 00000000000000a0 R11: 0000000000000246 R12: 00007f868d6982b0 [ 627.710257][ C1] R13: 0000000000000000 R14: 00007f868d698d20 R15: 00007f868d5eef60 [ 627.710272][ C1] [ 627.710279][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.749 msecs [ 771.098425][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/u4:0:8] [ 771.106421][ C0] Modules linked in: [ 771.110153][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 6.1.75-syzkaller-00022-gcfa154389a65 #0 [ 771.119786][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 771.129819][ C0] Workqueue: events_unbound toggle_allocation_gate [ 771.136142][ C0] RIP: 0010:smp_call_function_many_cond+0x851/0x930 [ 771.142568][ C0] Code: 3e 44 89 fe 83 e6 01 31 ff e8 0b 9e 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 46 9a 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff [ 771.162526][ C0] RSP: 0018:ffffc90000087840 EFLAGS: 00000293 [ 771.168428][ C0] RAX: ffffffff816bc3fc RBX: 1ffff1103ee27705 RCX: ffff888100381440 [ 771.176240][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 771.184060][ C0] RBP: ffffc90000087958 R08: ffffffff816bc3c5 R09: ffffed103ee0707b [ 771.191862][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 771.199680][ C0] R13: 0000000800000000 R14: ffff8881f713b828 R15: dffffc0000000000 [ 771.207575][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 771.216432][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 771.222855][ C0] CR2: 00007f868d6960d0 CR3: 0000000006c0f000 CR4: 00000000003506b0 [ 771.230661][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 771.238480][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 771.246373][ C0] Call Trace: [ 771.249501][ C0] [ 771.252187][ C0] ? show_regs+0x58/0x60 [ 771.256357][ C0] ? watchdog_timer_fn+0x4b1/0x5f0 [ 771.261327][ C0] ? proc_watchdog_cpumask+0xf0/0xf0 [ 771.266429][ C0] ? __hrtimer_run_queues+0x41a/0xad0 [ 771.271635][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 771.276583][ C0] ? clockevents_program_event+0x22f/0x300 [ 771.282216][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 771.288117][ C0] ? hrtimer_interrupt+0x40c/0xaa0 [ 771.293156][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 771.299226][ C0] ? sysvec_apic_timer_interrupt+0x95/0xc0 [ 771.304865][ C0] [ 771.307646][ C0] [ 771.310420][ C0] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 771.316413][ C0] ? smp_call_function_many_cond+0x835/0x930 [ 771.322576][ C0] ? smp_call_function_many_cond+0x86c/0x930 [ 771.328477][ C0] ? smp_call_function_many_cond+0x851/0x930 [ 771.334380][ C0] ? text_poke_sync+0x30/0x30 [ 771.338979][ C0] ? smp_call_function_many+0x40/0x40 [ 771.344239][ C0] ? text_poke_sync+0x30/0x30 [ 771.348795][ C0] on_each_cpu_cond_mask+0x40/0x80 [ 771.353744][ C0] ? kmem_cache_alloc_bulk+0x105/0x3d0 [ 771.359038][ C0] text_poke_bp_batch+0x1e9/0x730 [ 771.364049][ C0] ? text_poke_loc_init+0x680/0x680 [ 771.369075][ C0] ? __kasan_check_write+0x14/0x20 [ 771.374017][ C0] ? mutex_lock+0xb1/0x1e0 [ 771.378269][ C0] ? __mutex_lock_slowpath+0x10/0x10 [ 771.383388][ C0] ? bit_wait_io_timeout+0x120/0x120 [ 771.388515][ C0] ? text_poke_queue+0xe4/0x1a0 [ 771.393203][ C0] text_poke_finish+0x1a/0x30 [ 771.397715][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 771.403525][ C0] __jump_label_update+0x36a/0x380 [ 771.408647][ C0] jump_label_update+0x3af/0x450 [ 771.413420][ C0] static_key_enable_cpuslocked+0x12f/0x250 [ 771.419233][ C0] static_key_enable+0x1a/0x30 [ 771.423834][ C0] toggle_allocation_gate+0xbf/0x450 [ 771.428957][ C0] ? show_object+0xa0/0xa0 [ 771.433207][ C0] ? _raw_spin_unlock+0x4c/0x70 [ 771.437897][ C0] ? finish_task_switch+0x167/0x7b0 [ 771.442931][ C0] ? __kasan_check_read+0x11/0x20 [ 771.447787][ C0] ? read_word_at_a_time+0x12/0x20 [ 771.452736][ C0] ? strscpy+0x9c/0x260 [ 771.456732][ C0] process_one_work+0x73d/0xcb0 [ 771.461437][ C0] worker_thread+0xa60/0x1260 [ 771.465937][ C0] kthread+0x26d/0x300 [ 771.469838][ C0] ? worker_clr_flags+0x1a0/0x1a0 [ 771.474697][ C0] ? kthread_blkcg+0xd0/0xd0 [ 771.479124][ C0] ret_from_fork+0x1f/0x30 [ 771.483382][ C0]