./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1518350417 <...> Warning: Permanently added '10.128.0.162' (ED25519) to the list of known hosts. execve("./syz-executor1518350417", ["./syz-executor1518350417"], 0x7fffaf485be0 /* 10 vars */) = 0 brk(NULL) = 0x5555572be000 brk(0x5555572bed00) = 0x5555572bed00 arch_prctl(ARCH_SET_FS, 0x5555572be380) = 0 set_tid_address(0x5555572be650) = 5072 set_robust_list(0x5555572be660, 24) = 0 rseq(0x5555572beca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1518350417", 4096) = 28 getrandom("\xf0\x18\x43\x19\x06\x6d\x22\x2f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555572bed00 brk(0x5555572dfd00) = 0x5555572dfd00 brk(0x5555572e0000) = 0x5555572e0000 mprotect(0x7f1457e91000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572be650) = 5073 ./strace-static-x86_64: Process 5073 attached [pid 5073] set_robust_list(0x5555572be660, 24) = 0 [pid 5073] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5073] setsid() = 1 [pid 5073] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5073] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5073] unshare(CLONE_NEWNS) = 0 [pid 5073] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5073] unshare(CLONE_NEWIPC) = 0 [pid 5073] unshare(CLONE_NEWCGROUP) = 0 [pid 5073] unshare(CLONE_NEWUTS) = 0 [pid 5073] unshare(CLONE_SYSVSEM) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "16777216", 8) = 8 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "536870912", 9) = 9 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1024", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "8192", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1024", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1024", 4) = 4 [pid 5073] close(3) = 0 [pid 5073] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5073] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5073] close(3) = 0 [pid 5073] getpid() = 1 [pid 5073] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 82 c6 00 00 00 48 b8 ff ff ff ff ff 7f ff ff 48 39 f8 0f 83 b3 [ 204.729905][ C1] RSP: 0018:ffffc900001f09c0 EFLAGS: 00000096 [ 204.729923][ C1] RAX: ffffffff91f1af60 RBX: 00000000000006f4 RCX: ffffffff8167301e [ 204.729936][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff91f1af58 [ 204.729949][ C1] RBP: ffffc900001f0b30 R08: 0000000000000000 R09: fffffbfff23e35eb [ 204.729962][ C1] R10: ffffffff91f1af5f R11: 0000000000000001 R12: ffff888017e63b80 [ 204.729975][ C1] R13: 0000000000000100 R14: 0000000000000008 R15: 1ffff9200003e144 [ 204.729988][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 204.730008][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 204.730022][ C1] CR2: 0000000020000600 CR3: 0000000020ee3000 CR4: 00000000003506f0 [ 204.730035][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 204.730047][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 204.730060][ C1] Call Trace: [ 204.730068][ C1] [ 204.730077][ C1] ? show_regs+0x8f/0xa0 [ 204.730102][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 204.730137][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 204.730167][ C1] ? nmi_handle+0x1a6/0x570 [ 204.730191][ C1] ? kasan_check_range+0x1b/0x190 [ 204.730210][ C1] ? default_do_nmi+0x6a/0x160 [ 204.730239][ C1] ? exc_nmi+0x186/0x200 [ 204.730264][ C1] ? end_repeat_nmi+0xf/0x2a [ 204.730288][ C1] ? hlock_class+0x4e/0x130 [ 204.730316][ C1] ? kasan_check_range+0x1b/0x190 [ 204.730335][ C1] ? kasan_check_range+0x1b/0x190 [ 204.730355][ C1] ? kasan_check_range+0x1b/0x190 [ 204.730374][ C1] [ 204.730379][ C1] [ 204.730385][ C1] hlock_class+0x4e/0x130 [ 204.730411][ C1] mark_lock+0xb5/0xc50 [ 204.730439][ C1] ? mark_lock+0xb5/0xc50 [ 204.730466][ C1] ? hlock_class+0x4e/0x130 [ 204.730491][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 204.730521][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 204.730553][ C1] ? hlock_class+0x4e/0x130 [ 204.730579][ C1] ? hlock_class+0x4e/0x130 [ 204.730604][ C1] ? __lock_acquire+0x14e0/0x3b10 [ 204.730635][ C1] __lock_acquire+0x981/0x3b10 [ 204.730671][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 204.730702][ C1] ? lock_acquire+0x1ae/0x520 [ 204.730730][ C1] ? find_held_lock+0x2d/0x110 [ 204.730757][ C1] lock_acquire+0x1ae/0x520 [ 204.730786][ C1] ? advance_sched+0xd5/0xc60 [ 204.730814][ C1] ? lock_sync+0x190/0x190 [ 204.730842][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 204.730863][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 204.730883][ C1] ? find_held_lock+0x2d/0x110 [ 204.730911][ C1] ? taprio_dequeue+0x5e0/0x5e0 [ 204.730935][ C1] _raw_spin_lock+0x2e/0x40 [ 204.730957][ C1] ? advance_sched+0xd5/0xc60 [ 204.730981][ C1] advance_sched+0xd5/0xc60 [ 204.731009][ C1] ? timerqueue_del+0x83/0x140 [ 204.731037][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 204.731058][ C1] ? taprio_dequeue+0x5e0/0x5e0 [ 204.731082][ C1] __hrtimer_run_queues+0x203/0xc20 [ 204.731118][ C1] ? enqueue_hrtimer+0x310/0x310 [ 204.731151][ C1] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 204.731179][ C1] hrtimer_interrupt+0x31b/0x800 [ 204.731205][ C1] __sysvec_apic_timer_interrupt+0x105/0x400 [ 204.731234][ C1] sysvec_apic_timer_interrupt+0x90/0xb0 [ 204.731264][ C1] [ 204.731270][ C1] [ 204.731276][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 204.731298][ C1] RIP: 0010:acpi_safe_halt+0x1b/0x20 [ 204.731319][ C1] Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 c0 bc 03 00 48 8b 00 a8 08 75 0c 66 90 0f 00 2d 77 25 ba 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f [ 204.731338][ C1] RSP: 0018:ffffc90000187d58 EFLAGS: 00000246 [ 204.731353][ C1] RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a7ff817 [ 204.731366][ C1] RDX: 0000000000000001 RSI: ffff888018259000 RDI: ffff888018259064 [ 204.731379][ C1] RBP: ffff888018259064 R08: 0000000000000001 R09: ffffed1017326dbd [ 204.731392][ C1] R10: ffff8880b9936deb R11: 0000000000000000 R12: ffff888015f93800 [ 204.731405][ C1] R13: ffffffff8db1c2c0 R14: 0000000000000001 R15: 0000000000000000 [ 204.731421][ C1] ? ct_kernel_exit+0x137/0x190 [ 204.731454][ C1] acpi_idle_enter+0xc5/0x160 [ 204.731476][ C1] cpuidle_enter_state+0x83/0x500 [ 204.731496][ C1] ? mark_tsc_async_resets+0x50/0x50 [ 204.731521][ C1] cpuidle_enter+0x4e/0xa0 [ 204.731547][ C1] do_idle+0x319/0x400 [ 204.731569][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 204.731593][ C1] cpu_startup_entry+0x50/0x60 [ 204.731614][ C1] start_secondary+0x20e/0x2a0 [ 204.731636][ C1] ? set_cpu_sibling_map+0x1f50/0x1f50 [ 204.731662][ C1] secondary_startup_64_no_verify+0x166/0x16b [ 204.731698][ C1] [ 204.731706][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.920 msecs [ 204.731782][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g10677 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 205.261635][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 205.271626][ C0] rcu: RCU grace-period kthread stack dump: [ 205.277518][ C0] task:rcu_preempt state:R running task stack:28752 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 205.289395][ C0] Call Trace: [ 205.292688][ C0] [ 205.295729][ C0] __schedule+0xedb/0x5af0 [ 205.300182][ C0] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 205.306481][ C0] ? io_schedule_timeout+0x150/0x150 [ 205.311879][ C0] ? schedule+0x1fc/0x270 [ 205.316231][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 205.321629][ C0] ? timer_fixup_activate+0x220/0x220 [ 205.327469][ C0] ? lockdep_init_map_type+0x16d/0x7d0 [ 205.332962][ C0] schedule+0xe9/0x270 [ 205.337073][ C0] schedule_timeout+0x137/0x290 [ 205.341944][ C0] ? usleep_range_state+0x1a0/0x1a0 [ 205.347165][ C0] ? do_init_timer+0x100/0x100 [ 205.351960][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 205.357787][ C0] ? prepare_to_swait_event+0xf4/0x470 [ 205.363280][ C0] rcu_gp_fqs_loop+0x1ec/0xb10 [ 205.368072][ C0] ? rcu_check_gp_kthread_starvation+0x450/0x450 [ 205.374433][ C0] ? reacquire_held_locks+0x4c0/0x4c0 [ 205.379851][ C0] rcu_gp_kthread+0x24b/0x380 [ 205.384556][ C0] ? rcu_gp_init+0x1510/0x1510 [ 205.389353][ C0] ? lockdep_hardirqs_on+0x7d/0x110 [ 205.394756][ C0] ? __kthread_parkme+0x14b/0x220 [ 205.399976][ C0] ? rcu_gp_init+0x1510/0x1510 [ 205.404763][ C0] kthread+0x2c6/0x3a0 [ 205.409027][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 205.414275][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 205.419931][ C0] ret_from_fork+0x45/0x80 [ 205.424367][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 205.430119][ C0] ret_from_fork_asm+0x11/0x20 [ 205.434926][ C0] [ 205.437959][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 205.444381][ C0] CPU: 0 PID: 12 Comm: kworker/u4:1 Not tainted 6.7.0-rc1-syzkaller-00268-gac40916a3f72 #0 [ 205.454488][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 205.464575][ C0] Workqueue: events_unbound toggle_allocation_gate [ 205.471113][ C0] RIP: 0010:write_comp_data+0x35/0x80 [ 205.476514][ C0] Code: 8b 14 25 c0 bc 03 00 65 8b 05 8f 31 7c 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 fc 15 00 00 85 c0 74 4f 8b 82 d8 15 00 00 <83> f8 03 75 44 48 8b 82 e0 15 00 00 8b 92 dc 15 00 00 48 8b 38 48 [ 205.496180][ C0] RSP: 0018:ffffc90000117928 EFLAGS: 00000246 [ 205.502298][ C0] RAX: 0000000000000000 RBX: ffff8880b9941a60 RCX: ffffffff817bd7f8 [ 205.510319][ C0] RDX: ffff888017e4d940 RSI: 0000000000000000 RDI: 0000000000000005 [ 205.518342][ C0] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000 [ 205.526333][ C0] R10: 0000000000000001 R11: 0000000000000006 R12: ffffed101732834d [ 205.534319][ C0] R13: 0000000000000001 R14: ffff8880b9941a68 R15: ffff8880b983d8c0 [ 205.542497][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 205.551475][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 205.558084][ C0] CR2: 00007f1457e9a2d0 CR3: 000000000cd77000 CR4: 00000000003506f0 [ 205.566076][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 205.574195][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 205.582182][ C0] Call Trace: [ 205.585474][ C0] [ 205.588336][ C0] ? show_regs+0x8f/0xa0 [ 205.592605][ C0] ? rcu_check_gp_kthread_starvation+0x317/0x450 [ 205.598963][ C0] ? do_raw_spin_unlock+0x173/0x230 [ 205.604184][ C0] ? rcu_sched_clock_irq+0x2269/0x3150 [ 205.609691][ C0] ? rcu_note_context_switch+0x1ae0/0x1ae0 [ 205.615554][ C0] ? tick_sched_do_timer+0x2e0/0x2e0 [ 205.620861][ C0] ? update_process_times+0x17b/0x220 [ 205.626270][ C0] ? timer_clear_idle+0xa0/0xa0 [ 205.631151][ C0] ? update_wall_time+0x1c/0x40 [ 205.636019][ C0] ? tick_do_update_jiffies64+0x22e/0x380 [ 205.641766][ C0] ? tick_sched_handle+0x8e/0x170 [ 205.646842][ C0] ? tick_nohz_highres_handler+0xe9/0x110 [ 205.652630][ C0] ? __hrtimer_run_queues+0x647/0xc20 [ 205.658059][ C0] ? enqueue_hrtimer+0x310/0x310 [ 205.663030][ C0] ? ktime_get_update_offsets_now+0x3bc/0x610 [ 205.669136][ C0] ? hrtimer_interrupt+0x31b/0x800 [ 205.674287][ C0] ? __sysvec_apic_timer_interrupt+0x105/0x400 [ 205.680471][ C0] ? sysvec_apic_timer_interrupt+0x90/0xb0 [ 205.686313][ C0] [ 205.689254][ C0] [ 205.692196][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 205.698421][ C0] ? smp_call_function_many_cond+0x508/0x1550 [ 205.704516][ C0] ? write_comp_data+0x35/0x80 [ 205.709401][ C0] smp_call_function_many_cond+0x508/0x1550 [ 205.715329][ C0] ? __text_poke+0xca0/0xca0 [ 205.719963][ C0] ? __kmem_cache_alloc_node+0xc3/0x310 [ 205.725646][ C0] ? generic_smp_call_function_single_interrupt+0x20/0x20 [ 205.732815][ C0] ? apply_relocation+0x830/0x830 [ 205.737881][ C0] ? __text_poke+0xca0/0xca0 [ 205.742495][ C0] on_each_cpu_cond_mask+0x40/0x90 [ 205.747644][ C0] text_poke_bp_batch+0x22b/0x750 [ 205.752690][ C0] ? arch_jump_label_transform_apply+0x17/0x30 [ 205.758876][ C0] ? alternatives_enable_smp+0x400/0x400 [ 205.764525][ C0] ? __jump_label_patch+0x1db/0x400 [ 205.769761][ C0] ? text_poke_queue+0xef/0x180 [ 205.774637][ C0] ? arch_jump_label_transform_queue+0xc0/0x110 [ 205.780929][ C0] text_poke_finish+0x30/0x40 [ 205.785658][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 205.791709][ C0] jump_label_update+0x1d7/0x400 [ 205.796694][ C0] static_key_enable_cpuslocked+0x1b7/0x270 [ 205.802626][ C0] static_key_enable+0x1a/0x20 [ 205.807420][ C0] toggle_allocation_gate+0xf4/0x250 [ 205.812815][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 205.818218][ C0] ? wake_up_kfence_timer+0x30/0x30 [ 205.823460][ C0] ? preempt_schedule_common+0x45/0xc0 [ 205.829075][ C0] ? process_one_work+0x789/0x15d0 [ 205.834239][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 205.839658][ C0] process_one_work+0x886/0x15d0 [ 205.844641][ C0] ? lock_sync+0x190/0x190 [ 205.849085][ C0] ? workqueue_congested+0x300/0x300 [ 205.854441][ C0] ? assign_work+0x1a0/0x250 [ 205.859279][ C0] worker_thread+0x8b9/0x1290 [ 205.864026][ C0] ? process_one_work+0x15d0/0x15d0 [ 205.869366][ C0] kthread+0x2c6/0x3a0 [ 205.873505][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 205.878830][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 205.884493][ C0] ret_from_fork+0x45/0x80 [ 205.888958][ C0] ? kthread_complete_and_exit+0x40/0x40 [ 205.894674][ C0] ret_from_fork_asm+0x11/0x20 [ 205.899502][ C0]