[ 3.360940][ T98] udevd[98]: starting eudev-3.2.10 [ 3.363041][ T97] udevd (97) used greatest stack depth: 23568 bytes left [ 3.826483][ T114] scsi_id (114) used greatest stack depth: 22512 bytes left [ 11.896090][ T30] kauditd_printk_skb: 49 callbacks suppressed [ 11.896099][ T30] audit: type=1400 audit(1678049208.119:60): avc: denied { transition } for pid=234 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.903209][ T30] audit: type=1400 audit(1678049208.119:61): avc: denied { write } for pid=234 comm="sh" path="pipe:[12876]" dev="pipefs" ino=12876 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 13.067542][ T235] sshd (235) used greatest stack depth: 22480 bytes left [ 571.233548][ T30] audit: type=1400 audit(1678049767.459:62): avc: denied { remove_name } for pid=80 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 571.256088][ T30] audit: type=1400 audit(1678049767.459:63): avc: denied { rename } for pid=80 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 623.337616][ T45] kworker/dying (45) used greatest stack depth: 21040 bytes left Warning: Permanently added '10.128.1.223' (ECDSA) 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 executing program executing program [ 835.241347][ T30] audit: type=1400 audit(1678050031.459:64): avc: denied { execmem } for pid=1133 comm="syz-executor219" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 835.261311][ T30] audit: type=1400 audit(1678050031.459:65): avc: denied { write } for pid=1134 comm="syz-executor219" name="vga_arbiter" dev="devtmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:xserver_misc_device_t tclass=chr_file permissive=1 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 835.285997][ T30] audit: type=1400 audit(1678050031.459:66): avc: denied { open } for pid=1134 comm="syz-executor219" path="/dev/vga_arbiter" dev="devtmpfs" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:xserver_misc_device_t tclass=chr_file permissive=1 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 [ 937.257221][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 937.264069][ C0] rcu: 1-...!: (1 ticks this GP) idle=c17/1/0x4000000000000000 softirq=7693/7694 fqs=21 last_accelerate: d18f/f8a0 dyntick_enabled: 1 [ 937.277803][ C0] (detected by 0, t=10002 jiffies, g=8597, q=451) [ 937.284235][ C0] Sending NMI from CPU 0 to CPUs 1: [ 937.289267][ C1] NMI backtrace for cpu 1 [ 937.289276][ C1] CPU: 1 PID: 3965 Comm: syz-executor219 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0 [ 937.289291][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 937.289299][ C1] RIP: 0010:kasan_check_range+0x82/0x2a0 [ 937.289443][ C1] Code: 00 00 00 00 fc ff df 4f 8d 34 1a 4d 89 f5 4d 29 cd 49 83 fd 10 7f 26 4d 85 ed 0f 84 44 01 00 00 49 f7 d2 4d 01 e2 41 80 39 00 <0f> 85 d2 01 00 00 49 ff c1 49 ff c2 75 ee e9 27 01 00 00 45 89 cf [ 937.289454][ C1] RSP: 0018:ffffc90001147738 EFLAGS: 00000002 [ 937.289466][ C1] RAX: 0000000000000001 RBX: 000000000001ffff RCX: ffffffff84b8797c [ 937.289476][ C1] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86f0b8c0 [ 937.289484][ C1] RBP: ffffc90001147760 R08: dffffc0000000000 R09: fffffbfff0de1718 [ 937.289494][ C1] R10: ffffffffffffffff R11: dffffc0000000001 R12: 1ffffffff0de1718 [ 937.289504][ C1] R13: 0000000000000001 R14: fffffbfff0de1719 R15: dffffc0000000000 [ 937.289514][ C1] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 937.289525][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 937.289538][ C1] CR2: 00007f61104f4b08 CR3: 000000000640f000 CR4: 00000000003506a0 [ 937.289550][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 937.289558][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 937.289566][ C1] Call Trace: [ 937.289571][ C1] [ 937.289577][ C1] __kasan_check_write+0x14/0x20 [ 937.289591][ C1] _raw_spin_lock_irqsave+0xec/0x210 [ 937.289678][ C1] ? _raw_spin_lock+0x1b0/0x1b0 [ 937.289692][ C1] ? __fsnotify_parent+0x4b9/0x6c0 [ 937.289766][ C1] vga_arb_release+0x203/0x950 [ 937.289820][ C1] ? vga_arb_open+0x220/0x220 [ 937.289833][ C1] __fput+0x3fe/0x910 [ 937.289880][ C1] ____fput+0x15/0x20 [ 937.289893][ C1] task_work_run+0x129/0x190 [ 937.289930][ C1] do_exit+0xc60/0x2b60 [ 937.289974][ C1] ? put_task_struct+0x80/0x80 [ 937.289986][ C1] ? _raw_spin_unlock_irqrestore+0x5c/0x80 [ 937.290001][ C1] ? vga_put+0xe2/0x100 [ 937.290013][ C1] ? __kasan_check_write+0x14/0x20 [ 937.290024][ C1] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 937.290038][ C1] ? _raw_spin_lock_irqsave+0x210/0x210 [ 937.290053][ C1] do_group_exit+0x141/0x310 [ 937.290067][ C1] get_signal+0x7a3/0x1630 [ 937.290108][ C1] ? fsnotify_perm+0x6a/0x5d0 [ 937.290156][ C1] arch_do_signal_or_restart+0xbd/0x1680 [ 937.290185][ C1] ? file_end_write+0x1c0/0x1c0 [ 937.290198][ C1] ? putname+0xfa/0x150 [ 937.290212][ C1] ? __fget_files+0x31e/0x380 [ 937.290241][ C1] ? get_sigframe_size+0x10/0x10 [ 937.290254][ C1] ? __se_sys_futex+0x37b/0x3e0 [ 937.290286][ C1] exit_to_user_mode_loop+0xa0/0xe0 [ 937.290329][ C1] exit_to_user_mode_prepare+0x5a/0xa0 [ 937.290344][ C1] syscall_exit_to_user_mode+0x26/0x160 [ 937.290387][ C1] do_syscall_64+0x49/0xb0 [ 937.290399][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 937.290414][ C1] RIP: 0033:0x7f611049f8e9 [ 937.290426][ C1] Code: Unable to access opcode bytes at RIP 0x7f611049f8bf. [ 937.290432][ C1] RSP: 002b:00007f6110451318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 937.290446][ C1] RAX: fffffffffffffe00 RBX: 00007f61105273e8 RCX: 00007f611049f8e9 [ 937.290456][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f61105273e8 [ 937.290464][ C1] RBP: 00007f61105273e0 R08: 0000000000000000 R09: 0000000000000000 [ 937.290472][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 61206b636f6c6e75 [ 937.290481][ C1] R13: 00007ffde0fe148f R14: 00007f6110451400 R15: 0000000000022000 [ 937.290492][ C1] [ 937.290498][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.231 msecs [ 937.291263][ C0] rcu: rcu_preempt kthread starved for 9960 jiffies! g8597 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 937.656947][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 937.666753][ C0] rcu: RCU grace-period kthread stack dump: [ 937.672478][ C0] task:rcu_preempt state:R running task stack:28296 pid: 14 ppid: 2 flags:0x00004000 [ 937.683155][ C0] Call Trace: [ 937.686377][ C0] [ 937.689164][ C0] __schedule+0xd7a/0x1620 [ 937.693404][ C0] ? release_firmware_map_entry+0x18b/0x18b [ 937.699133][ C0] ? mod_timer_pending+0x30/0x30 [ 937.703913][ C0] ? del_timer_sync+0x1bc/0x230 [ 937.708595][ C0] ? __kasan_check_write+0x14/0x20 [ 937.713687][ C0] schedule+0x11f/0x1e0 [ 937.717624][ C0] schedule_timeout+0x18c/0x370 [ 937.722404][ C0] ? __kasan_check_write+0x14/0x20 [ 937.727435][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 937.732729][ C0] ? console_conditional_schedule+0x30/0x30 [ 937.738455][ C0] ? update_process_times+0x200/0x200 [ 937.743681][ C0] ? prepare_to_swait_event+0x308/0x320 [ 937.749228][ C0] rcu_gp_fqs_loop+0x29f/0xe60 [ 937.753820][ C0] ? dyntick_save_progress_counter+0x1e0/0x1e0 [ 937.759813][ C0] ? rcu_gp_init+0xc20/0xc20 [ 937.764232][ C0] ? _raw_spin_unlock_irq+0x4e/0x70 [ 937.769353][ C0] ? rcu_gp_init+0x9c5/0xc20 [ 937.773781][ C0] rcu_gp_kthread+0xa4/0x350 [ 937.778209][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 937.783066][ C0] ? rcu_barrier_callback+0x50/0x50 [ 937.788185][ C0] ? __kasan_check_read+0x11/0x20 [ 937.793054][ C0] ? __kthread_parkme+0xb2/0x200 [ 937.797818][ C0] kthread+0x421/0x510 [ 937.801731][ C0] ? rcu_barrier_callback+0x50/0x50 [ 937.806762][ C0] ? kthread_blkcg+0xd0/0xd0 [ 937.811196][ C0] ret_from_fork+0x1f/0x30 [ 937.815441][ C0] [ 937.818302][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 937.824552][ C0] NMI backtrace for cpu 0 [ 937.828717][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0 [ 937.838622][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 937.848506][ C0] Workqueue: events_unbound toggle_allocation_gate [ 937.854927][ C0] Call Trace: [ 937.858055][ C0] [ 937.860830][ C0] dump_stack_lvl+0x151/0x1b7 [ 937.865344][ C0] ? io_uring_drop_tctx_refs+0x190/0x190 [ 937.870840][ C0] dump_stack+0x15/0x17 [ 937.874896][ C0] nmi_cpu_backtrace+0x2f7/0x300 [ 937.879664][ C0] ? nmi_trigger_cpumask_backtrace+0x270/0x270 [ 937.885658][ C0] ? panic+0x751/0x751 [ 937.889558][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 937.895748][ C0] nmi_trigger_cpumask_backtrace+0x15d/0x270 [ 937.901877][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 937.907730][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 937.913452][ C0] rcu_check_gp_kthread_starvation+0x1e3/0x250 [ 937.919445][ C0] print_other_cpu_stall+0x112d/0x1340 [ 937.924739][ C0] ? rcu_stall_kick_kthreads+0x240/0x240 [ 937.930228][ C0] ? timekeeping_update+0x392/0x460 [ 937.935243][ C0] rcu_sched_clock_irq+0x97c/0x18e0 [ 937.940277][ C0] ? rcu_boost_kthread_setaffinity+0x340/0x340 [ 937.946384][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 937.951380][ C0] update_process_times+0x198/0x200 [ 937.956418][ C0] tick_sched_timer+0x188/0x240 [ 937.961376][ C0] ? tick_setup_sched_timer+0x3e0/0x3e0 [ 937.966755][ C0] __hrtimer_run_queues+0x41a/0xad0 [ 937.971793][ C0] ? hrtimer_interrupt+0xaa0/0xaa0 [ 937.976735][ C0] ? clockevents_program_event+0x22f/0x300 [ 937.982376][ C0] ? ktime_get_update_offsets_now+0x2ba/0x2d0 [ 937.988353][ C0] hrtimer_interrupt+0x40c/0xaa0 [ 937.993228][ C0] __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 937.998957][ C0] sysvec_apic_timer_interrupt+0x95/0xc0 [ 938.004423][ C0] [ 938.007197][ C0] [ 938.009983][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 938.015792][ C0] RIP: 0010:smp_call_function_many_cond+0x848/0x9b0 [ 938.022219][ C0] Code: 89 fe 83 e6 01 31 ff e8 16 bb 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 51 b7 0a 00 eb 38 f3 90 42 0f b6 04 3b <84> c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 35 b7 0a 00 eb e4 44 [ 938.041747][ C0] RSP: 0018:ffffc90000087880 EFLAGS: 00000293 [ 938.047642][ C0] RAX: 0000000000000000 RBX: 1ffff1103ee276c9 RCX: ffff8881002593c0 [ 938.055545][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 938.063352][ C0] RBP: ffffc90000087998 R08: ffffffff8164ba5a R09: ffffed103ee07053 [ 938.071167][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 938.078975][ C0] R13: ffff8881f713b648 R14: ffff8881f7038280 R15: dffffc0000000000 [ 938.087226][ C0] ? smp_call_function_many_cond+0x82a/0x9b0 [ 938.093040][ C0] ? text_poke_sync+0x30/0x30 [ 938.097550][ C0] ? smp_call_function_many+0x40/0x40 [ 938.102833][ C0] ? __kmalloc_track_caller+0x74/0x260 [ 938.108178][ C0] ? text_poke_loc_init+0xc5/0x540 [ 938.113183][ C0] ? text_poke_sync+0x30/0x30 [ 938.117866][ C0] on_each_cpu_cond_mask+0x40/0x80 [ 938.122969][ C0] ? __kmalloc_track_caller+0x74/0x260 [ 938.128357][ C0] text_poke_bp_batch+0x1c4/0x5d0 [ 938.133225][ C0] ? text_poke_loc_init+0x540/0x540 [ 938.138341][ C0] ? mutex_lock+0xb6/0x1e0 [ 938.142592][ C0] ? __mutex_lock_slowpath+0x10/0x10 [ 938.147719][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 938.154154][ C0] ? text_poke_queue+0xe4/0x1a0 [ 938.158997][ C0] text_poke_finish+0x1a/0x30 [ 938.163696][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 938.169499][ C0] __jump_label_update+0x36a/0x380 [ 938.174536][ C0] jump_label_update+0x3af/0x450 [ 938.179394][ C0] static_key_enable_cpuslocked+0x12f/0x250 [ 938.185125][ C0] static_key_enable+0x1a/0x30 [ 938.189724][ C0] toggle_allocation_gate+0xbf/0x460 [ 938.194842][ C0] ? kfence_protect+0x270/0x270 [ 938.199533][ C0] ? __schedule+0xd82/0x1620 [ 938.204044][ C0] ? __kasan_check_read+0x11/0x20 [ 938.208905][ C0] ? read_word_at_a_time+0x12/0x20 [ 938.213955][ C0] ? strscpy+0x9c/0x260 [ 938.218151][ C0] process_one_work+0x6bb/0xc10 [ 938.222925][ C0] worker_thread+0xad5/0x12a0 [ 938.227445][ C0] kthread+0x421/0x510 [ 938.231424][ C0] ? worker_clr_flags+0x180/0x180 [ 938.236389][ C0] ? kthread_blkcg+0xd0/0xd0 [ 938.240838][ C0] ret_from_fork+0x1f/0x30 [ 938.245145][ C0] [ 1078.937151][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [kworker/u4:0:8] [ 1078.945250][ C0] Modules linked in: [ 1078.948969][ C0] CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0 [ 1078.958687][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 1078.968582][ C0] Workqueue: events_unbound toggle_allocation_gate [ 1078.974935][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x36/0x60 [ 1078.980907][ C0] Code: b0 fb 92 7e 65 8b 15 b1 fb 92 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 2c 0b 00 00 00 74 2c 8b 91 08 0b 00 00 <83> fa 02 75 21 48 8b 91 10 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 0c [ 1079.001054][ C0] RSP: 0018:ffffc90000087870 EFLAGS: 00000246 [ 1079.006941][ C0] RAX: ffffffff8164ba8b RBX: 1ffff1103ee276c9 RCX: ffff8881002593c0 [ 1079.014762][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 1079.022563][ C0] RBP: ffffc90000087870 R08: ffffffff8164ba5a R09: ffffed103ee07053 [ 1079.030386][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 [ 1079.038310][ C0] R13: ffff8881f713b648 R14: ffff8881f7038280 R15: dffffc0000000000 [ 1079.046106][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 1079.054853][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1079.061273][ C0] CR2: 00007ffde0fe14e8 CR3: 000000000640f000 CR4: 00000000003506b0 [ 1079.069261][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1079.077104][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1079.085243][ C0] Call Trace: [ 1079.088469][ C0] [ 1079.091339][ C0] smp_call_function_many_cond+0x85b/0x9b0 [ 1079.096975][ C0] ? text_poke_sync+0x30/0x30 [ 1079.101655][ C0] ? smp_call_function_many+0x40/0x40 [ 1079.107025][ C0] ? __kmalloc_track_caller+0x74/0x260 [ 1079.112836][ C0] ? text_poke_loc_init+0xc5/0x540 [ 1079.117782][ C0] ? text_poke_sync+0x30/0x30 [ 1079.122299][ C0] on_each_cpu_cond_mask+0x40/0x80 [ 1079.127245][ C0] ? __kmalloc_track_caller+0x74/0x260 [ 1079.133494][ C0] text_poke_bp_batch+0x1c4/0x5d0 [ 1079.138358][ C0] ? text_poke_loc_init+0x540/0x540 [ 1079.143571][ C0] ? mutex_lock+0xb6/0x1e0 [ 1079.148165][ C0] ? __mutex_lock_slowpath+0x10/0x10 [ 1079.153281][ C0] ? wait_for_completion_killable_timeout+0x10/0x10 [ 1079.159708][ C0] ? text_poke_queue+0xe4/0x1a0 [ 1079.164479][ C0] text_poke_finish+0x1a/0x30 [ 1079.169003][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 1079.174812][ C0] __jump_label_update+0x36a/0x380 [ 1079.179764][ C0] jump_label_update+0x3af/0x450 [ 1079.184531][ C0] static_key_enable_cpuslocked+0x12f/0x250 [ 1079.190611][ C0] static_key_enable+0x1a/0x30 [ 1079.195207][ C0] toggle_allocation_gate+0xbf/0x460 [ 1079.200327][ C0] ? kfence_protect+0x270/0x270 [ 1079.205073][ C0] ? __schedule+0xd82/0x1620 [ 1079.209536][ C0] ? __kasan_check_read+0x11/0x20 [ 1079.214563][ C0] ? read_word_at_a_time+0x12/0x20 [ 1079.219510][ C0] ? strscpy+0x9c/0x260 [ 1079.223530][ C0] process_one_work+0x6bb/0xc10 [ 1079.228196][ C0] worker_thread+0xad5/0x12a0 [ 1079.232711][ C0] kthread+0x421/0x510 [ 1079.236601][ C0] ? worker_clr_flags+0x180/0x180 [ 1079.241633][ C0] ? kthread_blkcg+0xd0/0xd0 [ 1079.246064][ C0] ret_from_fork+0x1f/0x30 [ 1079.250325][ C0]