./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3300352347 <...> Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts. execve("./syz-executor3300352347", ["./syz-executor3300352347"], 0x7fff6492e1e0 /* 10 vars */) = 0 brk(NULL) = 0x555556a8f000 brk(0x555556a8fd00) = 0x555556a8fd00 arch_prctl(ARCH_SET_FS, 0x555556a8f380) = 0 set_tid_address(0x555556a8f650) = 5069 set_robust_list(0x555556a8f660, 24) = 0 rseq(0x555556a8fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3300352347", 4096) = 28 getrandom("\x79\x28\x45\x92\xb6\x56\x87\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556a8fd00 brk(0x555556ab0d00) = 0x555556ab0d00 brk(0x555556ab1000) = 0x555556ab1000 mprotect(0x7f63b8473000, 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./strace-static-x86_64: Process 5070 attached , child_tidptr=0x555556a8f650) = 5070 [pid 5070] set_robust_list(0x555556a8f660, 24) = 0 [pid 5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setsid() = 1 [pid 5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5070] unshare(CLONE_NEWNS) = 0 [pid 5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5070] unshare(CLONE_NEWIPC) = 0 [pid 5070] unshare(CLONE_NEWCGROUP) = 0 [pid 5070] unshare(CLONE_NEWUTS) = 0 [pid 5070] unshare(CLONE_SYSVSEM) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "16777216", 8) = 8 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "536870912", 9) = 9 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "8192", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5070] close(3) = 0 [pid 5070] getpid() = 1 [pid 5070] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 89 e0 48 c1 e8 20 29 c3 89 c1 c1 c1 04 31 d9 44 01 e0 41 29 cc [ 173.202354][ C1] RSP: 0000:ffffc900001f0950 EFLAGS: 00000002 [ 173.202368][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888016ec4640 [ 173.202379][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: dffffc0000000000 [ 173.202389][ C1] RBP: ffff888016ec4668 R08: ffffffff92ca6427 R09: 1ffffffff2594c84 [ 173.202400][ C1] R10: dffffc0000000000 R11: fffffbfff2594c85 R12: 3be9ba32c8301548 [ 173.202412][ C1] R13: ffff888016ec3b80 R14: 0000000000000000 R15: ffff888016ec3b80 [ 173.202423][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 173.202436][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.202448][ C1] CR2: 00007f63b83f8c23 CR3: 000000002dcb2000 CR4: 00000000003506f0 [ 173.202461][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 173.202470][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 173.202480][ C1] Call Trace: [ 173.202487][ C1] [ 173.202494][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 173.202517][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 173.202538][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 173.202561][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 173.202579][ C1] ? nmi_handle+0x14f/0x580 [ 173.202593][ C1] ? nmi_handle+0x2a/0x580 [ 173.202608][ C1] ? __lock_acquire+0xe57/0x1fd0 [ 173.202627][ C1] ? default_do_nmi+0x63/0x160 [ 173.202646][ C1] ? exc_nmi+0x123/0x1f0 [ 173.202663][ C1] ? end_repeat_nmi+0xf/0x60 [ 173.202684][ C1] ? __lock_acquire+0xe57/0x1fd0 [ 173.202703][ C1] ? __lock_acquire+0xe57/0x1fd0 [ 173.202723][ C1] ? __lock_acquire+0xe57/0x1fd0 [ 173.202742][ C1] [ 173.202747][ C1] [ 173.202758][ C1] lock_acquire+0x1e3/0x530 [ 173.202782][ C1] ? debug_object_deactivate+0x158/0x390 [ 173.202806][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 173.202828][ C1] ? do_raw_spin_unlock+0x13b/0x8b0 [ 173.202849][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 173.202871][ C1] _raw_spin_lock_irqsave+0xd5/0x120 [ 173.202892][ C1] ? debug_object_deactivate+0x158/0x390 [ 173.202912][ C1] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 173.202936][ C1] debug_object_deactivate+0x158/0x390 [ 173.202959][ C1] ? __pfx_debug_object_deactivate+0x10/0x10 [ 173.202980][ C1] ? timerqueue_add+0x260/0x290 [ 173.203001][ C1] debug_deactivate+0x1b/0x200 [ 173.203018][ C1] __hrtimer_run_queues+0x30f/0xd00 [ 173.203040][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 173.203055][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 173.203076][ C1] hrtimer_interrupt+0x396/0x990 [ 173.203100][ C1] __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 173.203120][ C1] sysvec_apic_timer_interrupt+0x92/0xb0 [ 173.203141][ C1] [ 173.203146][ C1] [ 173.203151][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 173.203169][ C1] RIP: 0010:acpi_safe_halt+0x20/0x30 [ 173.203187][ C1] Code: 90 90 90 90 90 90 90 90 90 90 65 48 8b 05 08 2a 98 74 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d 36 87 9c 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 [ 173.203198][ C1] RSP: 0000:ffffc90000187d08 EFLAGS: 00000246 [ 173.203211][ C1] RAX: ffff888016ec3b80 RBX: ffff8880172fa064 RCX: 000000000001ba81 [ 173.203222][ C1] RDX: 0000000000000001 RSI: ffff8880172fa000 RDI: ffff8880172fa064 [ 173.203233][ C1] RBP: 0000000000038f98 R08: ffff8880b9536d8b R09: 1ffff110172a6db1 [ 173.203244][ C1] R10: dffffc0000000000 R11: ffffffff8b6b90c0 R12: ffff88801cee5000 [ 173.203255][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8e8998c0 [ 173.203267][ C1] ? __pfx_acpi_idle_enter+0x10/0x10 [ 173.203288][ C1] acpi_idle_enter+0xe4/0x140 [ 173.203306][ C1] cpuidle_enter_state+0x118/0x490 [ 173.203322][ C1] ? __pfx_menu_select+0x10/0x10 [ 173.203347][ C1] cpuidle_enter+0x5d/0xa0 [ 173.203365][ C1] do_idle+0x374/0x5d0 [ 173.203385][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 173.203408][ C1] ? __pfx_do_idle+0x10/0x10 [ 173.203427][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 173.203455][ C1] ? complete+0xb4/0x1c0 [ 173.203473][ C1] cpu_startup_entry+0x41/0x60 [ 173.203493][ C1] start_secondary+0x100/0x100 [ 173.203510][ C1] secondary_startup_64_no_verify+0x171/0x17b [ 173.203536][ C1] [ 173.203543][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.282 msecs [ 173.204256][ C0] rcu: rcu_preempt kthread starved for 10498 jiffies! g6369 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 173.685741][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 173.695713][ C0] rcu: RCU grace-period kthread stack dump: [ 173.701598][ C0] task:rcu_preempt state:R running task stack:26256 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 173.713348][ C0] Call Trace: [ 173.716628][ C0] [ 173.719567][ C0] __schedule+0x17d1/0x49f0 [ 173.724104][ C0] ? __pfx___schedule+0x10/0x10 [ 173.728965][ C0] ? __pfx_lock_release+0x10/0x10 [ 173.734003][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 173.739829][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 173.746169][ C0] ? schedule+0x8e/0x260 [ 173.750414][ C0] schedule+0x149/0x260 [ 173.754581][ C0] schedule_timeout+0x1bd/0x310 [ 173.759446][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 173.764831][ C0] ? __pfx_process_timeout+0x10/0x10 [ 173.770137][ C0] ? prepare_to_swait_event+0x32d/0x350 [ 173.775698][ C0] rcu_gp_fqs_loop+0x2df/0x1330 [ 173.780559][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 173.785780][ C0] ? __pfx_dyntick_save_progress_counter+0x10/0x10 [ 173.792295][ C0] ? lockdep_hardirqs_on+0x98/0x140 [ 173.797509][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 173.802800][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 173.808711][ C0] ? finish_swait+0xd3/0x1e0 [ 173.813314][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 173.817917][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 173.823128][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 173.829035][ C0] ? __kthread_parkme+0x168/0x1d0 [ 173.834073][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 173.839283][ C0] kthread+0x2ef/0x390 [ 173.843357][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 173.848563][ C0] ? __pfx_kthread+0x10/0x10 [ 173.853188][ C0] ret_from_fork+0x4b/0x80 [ 173.857620][ C0] ? __pfx_kthread+0x10/0x10 [ 173.862215][ C0] ret_from_fork_asm+0x1b/0x30 [ 173.867007][ C0] [ 173.870030][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 173.876353][ C0] CPU: 0 PID: 2818 Comm: kworker/u4:9 Not tainted 6.8.0-rc6-syzkaller-01889-g4b2765ae410a #0 [ 173.886508][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 173.896565][ C0] Workqueue: events_unbound toggle_allocation_gate [ 173.903080][ C0] RIP: 0010:smp_call_function_many_cond+0x1850/0x2960 [ 173.909858][ C0] Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 99 d4 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 44 d0 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 28 d0 [ 173.929466][ C0] RSP: 0018:ffffc9000a897720 EFLAGS: 00000293 [ 173.935541][ C0] RAX: ffffffff81879d48 RBX: 1ffff110172a839d RCX: ffff88802b200000 [ 173.943517][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 173.951492][ C0] RBP: ffffc9000a897920 R08: ffffffff81879d17 R09: 1ffffffff2594c84 [ 173.959468][ C0] R10: dffffc0000000000 R11: fffffbfff2594c85 R12: dffffc0000000000 [ 173.967444][ C0] R13: ffff8880b9541ce8 R14: ffff8880b943da80 R15: 0000000000000001 [ 173.975418][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 173.984353][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 173.990940][ C0] CR2: 0000000000d41bb8 CR3: 000000000df32000 CR4: 00000000003506f0 [ 173.998919][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 174.006891][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 174.014870][ C0] Call Trace: [ 174.018152][ C0] [ 174.020999][ C0] ? rcu_check_gp_kthread_starvation+0x278/0x310 [ 174.027349][ C0] ? print_other_cpu_stall+0x14a4/0x15e0 [ 174.033013][ C0] ? __pfx_print_other_cpu_stall+0x10/0x10 [ 174.038828][ C0] ? timekeeping_advance+0x7e3/0xab0 [ 174.044137][ C0] ? kvm_check_and_clear_guest_paused+0x6a/0xd0 [ 174.050389][ C0] ? rcu_sched_clock_irq+0x9d4/0x1090 [ 174.055774][ C0] ? __pfx_rcu_read_lock_sched_held+0x10/0x10 [ 174.061859][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 174.067589][ C0] ? hrtimer_run_queues+0x167/0x450 [ 174.072793][ C0] ? acct_account_cputime+0x207/0x210 [ 174.078182][ C0] ? update_process_times+0x14b/0x1b0 [ 174.083567][ C0] ? tick_nohz_highres_handler+0x379/0x550 [ 174.089385][ C0] ? __pfx_tick_nohz_highres_handler+0x10/0x10 [ 174.095548][ C0] ? __hrtimer_run_queues+0x54b/0xd00 [ 174.100950][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 174.106674][ C0] ? ktime_get_update_offsets_now+0x411/0x430 [ 174.112794][ C0] ? hrtimer_interrupt+0x396/0x990 [ 174.117932][ C0] ? __sysvec_apic_timer_interrupt+0x107/0x3a0 [ 174.124105][ C0] ? sysvec_apic_timer_interrupt+0x92/0xb0 [ 174.129922][ C0] [ 174.132858][ C0] [ 174.135792][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 174.141957][ C0] ? smp_call_function_many_cond+0x1837/0x2960 [ 174.148116][ C0] ? smp_call_function_many_cond+0x1868/0x2960 [ 174.154278][ C0] ? smp_call_function_many_cond+0x1850/0x2960 [ 174.160453][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 174.165492][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 174.170874][ C0] ? __pfx___text_poke+0x10/0x10 [ 174.175822][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 174.182249][ C0] ? __pfx___might_resched+0x10/0x10 [ 174.187543][ C0] ? __mutex_trylock_common+0x182/0x2e0 [ 174.193138][ C0] ? __pfx___might_resched+0x10/0x10 [ 174.198431][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 174.203464][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 174.208662][ C0] text_poke_bp_batch+0x352/0xb30 [ 174.213707][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 174.219260][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 174.224297][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 174.230641][ C0] text_poke_finish+0x30/0x50 [ 174.235326][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 174.241317][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 174.247233][ C0] static_key_enable+0x1a/0x20 [ 174.252005][ C0] toggle_allocation_gate+0xb5/0x250 [ 174.257302][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 174.263200][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 174.269554][ C0] ? process_scheduled_works+0x825/0x1420 [ 174.275372][ C0] process_scheduled_works+0x913/0x1420 [ 174.280976][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 174.287004][ C0] ? assign_work+0x364/0x3d0 [ 174.291623][ C0] worker_thread+0xa5f/0x1000 [ 174.296338][ C0] ? __pfx_worker_thread+0x10/0x10 [ 174.301459][ C0] kthread+0x2ef/0x390 [ 174.305537][ C0] ? __pfx_worker_thread+0x10/0x10 [ 174.310836][ C0] ? __pfx_kthread+0x10/0x10 [ 174.315431][ C0] ret_from_fork+0x4b/0x80 [ 174.319863][ C0] ? __pfx_kthread+0x10/0x10 [ 174.324459][ C0] ret_from_fork_asm+0x1b/0x30 [ 174.329248][ C0]