./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor773742677 <...> Warning: Permanently added '10.128.1.237' (ED25519) to the list of known hosts. execve("./syz-executor773742677", ["./syz-executor773742677"], 0x7fff56c4e610 /* 10 vars */) = 0 brk(NULL) = 0x55555919b000 brk(0x55555919bd00) = 0x55555919bd00 arch_prctl(ARCH_SET_FS, 0x55555919b380) = 0 set_tid_address(0x55555919b650) = 5083 set_robust_list(0x55555919b660, 24) = 0 rseq(0x55555919bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor773742677", 4096) = 27 getrandom("\x50\xe5\xa4\xd6\x07\x75\x90\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555919bd00 brk(0x5555591bcd00) = 0x5555591bcd00 brk(0x5555591bd000) = 0x5555591bd000 mprotect(0x7fe03d76f000, 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=0x55555919b650) = 5084 ./strace-static-x86_64: Process 5084 attached [pid 5084] set_robust_list(0x55555919b660, 24) = 0 [pid 5084] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setsid() = 1 [pid 5084] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5084] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5084] unshare(CLONE_NEWNS) = 0 [pid 5084] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5084] unshare(CLONE_NEWIPC) = 0 [pid 5084] unshare(CLONE_NEWCGROUP) = 0 [pid 5084] unshare(CLONE_NEWUTS) = 0 [pid 5084] unshare(CLONE_SYSVSEM) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "16777216", 8) = 8 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "536870912", 9) = 9 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "8192", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5084] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5084] close(3) = 0 [pid 5084] getpid() = 1 [pid 5084] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< d8 48 83 c4 10 5b 41 5c 41 5e 41 5f c3 cc cc cc cc 48 c7 04 24 [ 180.566461][ C1] RSP: 0018:ffffc90000a18ae8 EFLAGS: 00000046 [ 180.566482][ C1] RAX: d49da674433d5900 RBX: 0000000000000001 RCX: ffffffff81729bb0 [ 180.566495][ C1] RDX: 0000000000000000 RSI: ffffffff8c1f0d80 RDI: ffffffff8c1f0d40 [ 180.566507][ C1] RBP: ffffc90000a18c80 R08: ffffffff8fac0c6f R09: 1ffffffff1f5818d [ 180.566520][ C1] R10: dffffc0000000000 R11: fffffbfff1f5818e R12: 1ffff92000143174 [ 180.566533][ C1] R13: ffffffff8988dba2 R14: ffff88802a149400 R15: dffffc0000000000 [ 180.566546][ C1] FS: 000055555919b380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 180.566561][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 180.566573][ C1] CR2: 0000000020000600 CR3: 0000000021ca4000 CR4: 00000000003506f0 [ 180.566587][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 180.566597][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 180.566608][ C1] Call Trace: [ 180.566617][ C1] [ 180.566626][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 180.566655][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 180.566676][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 180.566697][ C1] ? nmi_handle+0x2a/0x5a0 [ 180.566732][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 180.566753][ C1] ? nmi_handle+0x14f/0x5a0 [ 180.566778][ C1] ? nmi_handle+0x2a/0x5a0 [ 180.566810][ C1] ? check_preemption_disabled+0x42/0x120 [ 180.566829][ C1] ? default_do_nmi+0x63/0x160 [ 180.566852][ C1] ? exc_nmi+0x123/0x1f0 [ 180.566873][ C1] ? end_repeat_nmi+0xf/0x53 [ 180.566891][ C1] ? advance_sched+0xa02/0xca0 [ 180.566912][ C1] ? lock_release+0xb0/0x9f0 [ 180.566930][ C1] ? check_preemption_disabled+0x42/0x120 [ 180.566949][ C1] ? check_preemption_disabled+0x42/0x120 [ 180.566970][ C1] ? check_preemption_disabled+0x42/0x120 [ 180.566989][ C1] [ 180.566994][ C1] [ 180.567003][ C1] rcu_is_watching+0x15/0xb0 [ 180.567023][ C1] lock_release+0xbf/0x9f0 [ 180.567042][ C1] ? advance_sched+0xa02/0xca0 [ 180.567062][ C1] ? __netif_schedule+0xc4/0x310 [ 180.567086][ C1] ? __pfx_lock_release+0x10/0x10 [ 180.567104][ C1] ? __pfx___netif_schedule+0x10/0x10 [ 180.567131][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 180.567156][ C1] ? taprio_set_budgets+0x32c/0x370 [ 180.567175][ C1] ? advance_sched+0xa02/0xca0 [ 180.567193][ C1] ? advance_sched+0xa02/0xca0 [ 180.567212][ C1] advance_sched+0xb32/0xca0 [ 180.567241][ C1] ? __pfx_advance_sched+0x10/0x10 [ 180.567260][ C1] __hrtimer_run_queues+0x5a5/0xd50 [ 180.567295][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 180.567320][ C1] ? ktime_get_update_offsets_now+0x22d/0x250 [ 180.567343][ C1] hrtimer_interrupt+0x396/0x990 [ 180.567380][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 180.567409][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 180.567435][ C1] [ 180.567441][ C1] [ 180.567447][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 180.567466][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 180.567487][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 1e ff 6d f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 83 e3 da f5 65 8b 05 64 15 79 74 85 c0 74 43 48 c7 04 24 0e 36 [ 180.567501][ C1] RSP: 0018:ffffc9000424fa20 EFLAGS: 00000206 [ 180.567516][ C1] RAX: d49da674433d5900 RBX: 1ffff92000849f48 RCX: ffffffff94772603 [ 180.567529][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcab880 RDI: 0000000000000001 [ 180.567541][ C1] RBP: ffffc9000424fab0 R08: ffffffff8fac0c6f R09: 1ffffffff1f5818d [ 180.567554][ C1] R10: dffffc0000000000 R11: fffffbfff1f5818e R12: dffffc0000000000 [ 180.567566][ C1] R13: 1ffff92000849f44 R14: ffffc9000424fa40 R15: 0000000000000246 [ 180.567589][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 180.567609][ C1] ? __asan_memcpy+0x40/0x70 [ 180.567633][ C1] ? timekeeping_update+0x3e5/0x450 [ 180.567651][ C1] ? do_adjtimex+0x515/0xab0 [ 180.567669][ C1] timekeeping_inject_offset+0x4de/0x580 [ 180.567687][ C1] ? do_adjtimex+0x515/0xab0 [ 180.567707][ C1] ? __pfx_timekeeping_inject_offset+0x10/0x10 [ 180.567726][ C1] ? __pfx_add_device_randomness+0x10/0x10 [ 180.567750][ C1] ? security_capable+0x90/0xb0 [ 180.567779][ C1] do_adjtimex+0x515/0xab0 [ 180.567801][ C1] ? __pfx_do_adjtimex+0x10/0x10 [ 180.567824][ C1] ? __pfx___might_resched+0x10/0x10 [ 180.567846][ C1] ? __might_fault+0xaa/0x120 [ 180.567867][ C1] ? __pfx_lock_release+0x10/0x10 [ 180.567891][ C1] ? __might_fault+0xc6/0x120 [ 180.567914][ C1] __x64_sys_clock_adjtime+0x1e1/0x290 [ 180.567936][ C1] ? __pfx___x64_sys_clock_adjtime+0x10/0x10 [ 180.567969][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 180.567988][ C1] ? do_syscall_64+0x102/0x240 [ 180.568010][ C1] do_syscall_64+0xf5/0x240 [ 180.568028][ C1] ? clear_bhb_loop+0x35/0x90 [ 180.568046][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 180.568075][ C1] RIP: 0033:0x7fe03d6f6ee9 [ 180.568096][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 180.568109][ C1] RSP: 002b:00007fff250e09b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 [ 180.568126][ C1] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe03d6f6ee9 [ 180.568137][ C1] RDX: 00007fe03d6f6ee9 RSI: 0000000020000200 RDI: 0000000000000000 [ 180.568148][ C1] RBP: 00000000000f4240 R08: 0000000100000000 R09: 0000000100000000 [ 180.568160][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff250e0a10 [ 180.568171][ C1] R13: 0000000000000001 R14: 00007fff250e0a10 R15: 0000000000000003 [ 180.568191][ C1] [ 180.568199][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.860 msecs [ 180.568336][ C0] rcu: rcu_preempt kthread starved for 10495 jiffies! g7069 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 181.188534][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. [ 181.198538][ C0] rcu: RCU grace-period kthread stack dump: [ 181.204469][ C0] task:rcu_preempt state:R running task stack:25880 pid:17 tgid:17 ppid:2 flags:0x00004000 [ 181.216253][ C0] Call Trace: [ 181.219556][ C0] [ 181.222518][ C0] __schedule+0x1796/0x4a00 [ 181.227089][ C0] ? __pfx___schedule+0x10/0x10 [ 181.231975][ C0] ? __pfx_lock_release+0x10/0x10 [ 181.237038][ C0] ? __asan_memset+0x23/0x50 [ 181.241674][ C0] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 181.247513][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 181.253879][ C0] ? schedule+0x90/0x320 [ 181.258152][ C0] schedule+0x14b/0x320 [ 181.262340][ C0] schedule_timeout+0x1be/0x310 [ 181.267223][ C0] ? __pfx_schedule_timeout+0x10/0x10 [ 181.272626][ C0] ? __pfx_process_timeout+0x10/0x10 [ 181.277953][ C0] ? prepare_to_swait_event+0x32e/0x350 [ 181.283538][ C0] rcu_gp_fqs_loop+0x2df/0x1370 [ 181.288520][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 181.293796][ C0] ? __pfx_rcu_implicit_dynticks_qs+0x10/0x10 [ 181.300367][ C0] ? lockdep_hardirqs_on+0x99/0x150 [ 181.305690][ C0] ? __pfx_rcu_gp_fqs_loop+0x10/0x10 [ 181.311010][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 181.317287][ C0] ? finish_swait+0xd4/0x1e0 [ 181.321908][ C0] rcu_gp_kthread+0xa7/0x3b0 [ 181.328013][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.333237][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 181.339167][ C0] ? __kthread_parkme+0x169/0x1d0 [ 181.344227][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.349473][ C0] kthread+0x2f0/0x390 [ 181.353647][ C0] ? __pfx_rcu_gp_kthread+0x10/0x10 [ 181.358886][ C0] ? __pfx_kthread+0x10/0x10 [ 181.363507][ C0] ret_from_fork+0x4b/0x80 [ 181.367994][ C0] ? __pfx_kthread+0x10/0x10 [ 181.372637][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.377470][ C0] [ 181.380603][ C0] rcu: Stack dump where RCU GP kthread last ran: [ 181.386952][ C0] CPU: 0 PID: 2842 Comm: kworker/u8:8 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0 [ 181.396779][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 181.406874][ C0] Workqueue: events_unbound toggle_allocation_gate [ 181.413434][ C0] RIP: 0010:smp_call_function_many_cond+0x1894/0x2a00 [ 181.420255][ C0] Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 95 0b 0c 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 40 07 0c 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 24 07 [ 181.439996][ C0] RSP: 0018:ffffc900090e76e0 EFLAGS: 00000293 [ 181.446102][ C0] RAX: ffffffff818a29dc RBX: 1ffff110172a88a1 RCX: ffff88802bc89e00 [ 181.454103][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 181.462103][ C0] RBP: ffffc900090e78e0 R08: ffffffff818a29ab R09: 1ffffffff25ef4b0 [ 181.470367][ C0] R10: dffffc0000000000 R11: fffffbfff25ef4b1 R12: dffffc0000000000 [ 181.478368][ C0] R13: ffff8880b9544508 R14: ffff8880b943f8c0 R15: 0000000000000001 [ 181.486466][ C0] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 181.495423][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 181.502035][ C0] CR2: 000055e603571000 CR3: 000000000e132000 CR4: 00000000003506f0 [ 181.510130][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 181.518299][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 181.526356][ C0] Call Trace: [ 181.529667][ C0] [ 181.532538][ C0] ? rcu_check_gp_kthread_starvation+0x278/0x310 [ 181.538934][ C0] ? print_other_cpu_stall+0x14a4/0x15e0 [ 181.544645][ C0] ? __pfx_print_other_cpu_stall+0x10/0x10 [ 181.550607][ C0] ? timekeeping_advance+0x7e3/0xab0 [ 181.555987][ C0] ? kvm_check_and_clear_guest_paused+0x6a/0xd0 [ 181.562297][ C0] ? rcu_sched_clock_irq+0x9f4/0x10a0 [ 181.567834][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 181.573606][ C0] ? hrtimer_run_queues+0x16c/0x460 [ 181.579046][ C0] ? acct_account_cputime+0x207/0x210 [ 181.584556][ C0] ? update_process_times+0x1ce/0x230 [ 181.590230][ C0] ? tick_nohz_handler+0x37c/0x500 [ 181.595400][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 181.600933][ C0] ? __hrtimer_run_queues+0x55b/0xd50 [ 181.606532][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 181.612423][ C0] ? ktime_get_update_offsets_now+0x22d/0x250 [ 181.618565][ C0] ? hrtimer_interrupt+0x396/0x990 [ 181.623766][ C0] ? __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 181.630193][ C0] ? sysvec_apic_timer_interrupt+0xa1/0xc0 [ 181.636148][ C0] [ 181.639128][ C0] [ 181.642146][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 181.648700][ C0] ? smp_call_function_many_cond+0x187b/0x2a00 [ 181.655141][ C0] ? smp_call_function_many_cond+0x18ac/0x2a00 [ 181.661376][ C0] ? smp_call_function_many_cond+0x1894/0x2a00 [ 181.667589][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 181.672746][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 181.678171][ C0] ? __pfx___text_poke+0x10/0x10 [ 181.683159][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 181.689526][ C0] ? __pfx___might_resched+0x10/0x10 [ 181.696438][ C0] ? __mutex_trylock_common+0x183/0x2e0 [ 181.702044][ C0] ? __pfx___might_resched+0x10/0x10 [ 181.707380][ C0] ? __pfx_do_sync_core+0x10/0x10 [ 181.712473][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 181.717916][ C0] text_poke_bp_batch+0x352/0xb30 [ 181.723222][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 181.728805][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 181.734381][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 181.740899][ C0] text_poke_finish+0x30/0x50 [ 181.745641][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 181.751745][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 181.758427][ C0] static_key_enable+0x1a/0x20 [ 181.764299][ C0] toggle_allocation_gate+0xb5/0x250 [ 181.770510][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 181.776742][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 181.783419][ C0] ? process_scheduled_works+0x945/0x1830 [ 181.789869][ C0] process_scheduled_works+0xa2c/0x1830 [ 181.795485][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 181.802458][ C0] ? assign_work+0x364/0x3d0 [ 181.809209][ C0] worker_thread+0x86d/0xd70 [ 181.814420][ C0] ? __kthread_parkme+0x169/0x1d0 [ 181.819906][ C0] ? __pfx_worker_thread+0x10/0x10 [ 181.825429][ C0] kthread+0x2f0/0x390 [ 181.829909][ C0] ? __pfx_worker_thread+0x10/0x10 [ 181.835171][ C0] ? __pfx_kthread+0x10/0x10 [ 181.840100][ C0] ret_from_fork+0x4b/0x80 [ 181.844835][ C0] ? __pfx_kthread+0x10/0x10 [ 181.849647][ C0] ret_from_fork_asm+0x1a/0x30 [ 181.854514][ C0]