./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor597592580 <...> Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. execve("./syz-executor597592580", ["./syz-executor597592580"], 0x7ffe8c1fe660 /* 10 vars */) = 0 brk(NULL) = 0x555556cd8000 brk(0x555556cd8d00) = 0x555556cd8d00 arch_prctl(ARCH_SET_FS, 0x555556cd8380) = 0 set_tid_address(0x555556cd8650) = 286 set_robust_list(0x555556cd8660, 24) = 0 rseq(0x555556cd8ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor597592580", 4096) = 27 getrandom("\x9a\xb4\x48\x16\x48\xe7\xfe\x3e", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556cd8d00 brk(0x555556cf9d00) = 0x555556cf9d00 brk(0x555556cfa000) = 0x555556cfa000 mprotect(0x7fd3c62b2000, 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=0x555556cd8650) = 287 ./strace-static-x86_64: Process 287 attached [pid 287] set_robust_list(0x555556cd8660, 24) = 0 [pid 287] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 287] setsid() = 1 [pid 287] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 287] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 287] unshare(CLONE_NEWNS) = 0 [pid 287] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 287] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 287] unshare(CLONE_NEWCGROUP) = 0 [pid 287] unshare(CLONE_NEWUTS) = 0 [pid 287] unshare(CLONE_SYSVSEM) = 0 [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 287] getpid() = 1 [pid 287] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00 [ 155.019429][ C1] RSP: 0018:ffffc9000092f720 EFLAGS: 00000293 [ 155.025334][ C1] RAX: ffffffff815fbb14 RBX: 1ffff92000125eed RCX: ffff88811e5e8000 [ 155.033150][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 155.040953][ C1] RBP: ffffc9000092f810 R08: ffffffff815fbae6 R09: ffffed103ee0aec9 [ 155.048856][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 155.056670][ C1] R13: 0000000000000001 R14: ffffc9000092f768 R15: 0000000000000000 [ 155.064481][ C1] FS: 0000555556cd8380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 155.073335][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.079760][ C1] CR2: 0000000020010000 CR3: 000000011eb12000 CR4: 00000000003506a0 [ 155.087570][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.095471][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.103275][ C1] Call Trace: [ 155.106400][ C1] [ 155.109100][ C1] ? show_regs+0x58/0x60 [ 155.113173][ C1] ? watchdog_timer_fn+0x471/0x590 [ 155.118119][ C1] ? proc_watchdog_cpumask+0xd0/0xd0 [ 155.123242][ C1] ? __hrtimer_run_queues+0x3d7/0xa50 [ 155.128449][ C1] ? hrtimer_interrupt+0x8b0/0x8b0 [ 155.133411][ C1] ? clockevents_program_event+0x214/0x2c0 [ 155.139048][ C1] ? ktime_get_update_offsets_now+0x266/0x280 [ 155.144946][ C1] ? hrtimer_interrupt+0x39a/0x8b0 [ 155.149893][ C1] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 155.155791][ C1] ? asm_call_irq_on_stack+0xf/0x20 [ 155.162119][ C1] [ 155.164905][ C1] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 155.170544][ C1] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 155.176620][ C1] ? smp_call_function_single+0x266/0x510 [ 155.182173][ C1] ? smp_call_function_single+0x294/0x510 [ 155.187732][ C1] ? smp_call_function_single+0x278/0x510 [ 155.193289][ C1] ? text_poke_sync+0x20/0x20 [ 155.197804][ C1] ? flush_smp_call_function_from_idle+0x1b0/0x1b0 [ 155.204133][ C1] ? cpumask_any_but+0x18/0xb0 [ 155.208795][ C1] ? text_poke_sync+0x20/0x20 [ 155.213245][ C1] ? cpumask_any_but+0xa3/0xb0 [ 155.218092][ C1] smp_call_function_many_cond+0x94e/0xa30 [ 155.223664][ C1] ? enqueue_timer+0x169/0x4c0 [ 155.228255][ C1] ? text_poke_sync+0x20/0x20 [ 155.232767][ C1] ? smp_call_function_many+0x40/0x40 [ 155.237972][ C1] ? text_poke+0x20/0x20 [ 155.242051][ C1] ? text_poke_sync+0x20/0x20 [ 155.246565][ C1] on_each_cpu+0xa8/0x1a0 [ 155.250732][ C1] ? smp_call_function+0x90/0x90 [ 155.255503][ C1] ? text_poke_loc_init+0x2e1/0x580 [ 155.260539][ C1] ? text_poke_finish+0x30/0x30 [ 155.265223][ C1] text_poke_bp_batch+0x1d4/0x600 [ 155.270086][ C1] ? text_poke_loc_init+0x580/0x580 [ 155.275118][ C1] ? mutex_lock+0xa5/0x110 [ 155.279372][ C1] ? mutex_trylock+0xa0/0xa0 [ 155.283805][ C1] ? mutex_unlock+0x1c/0x40 [ 155.288139][ C1] text_poke_finish+0x1a/0x30 [ 155.292655][ C1] arch_jump_label_transform_apply+0x15/0x30 [ 155.298469][ C1] __jump_label_update+0x36a/0x380 [ 155.303427][ C1] jump_label_update+0x379/0x400 [ 155.308189][ C1] static_key_disable_cpuslocked+0xcd/0x1b0 [ 155.313916][ C1] static_key_disable+0x1a/0x30 [ 155.318611][ C1] tracepoint_probe_unregister+0x6e0/0x9e0 [ 155.324246][ C1] ? __bpf_trace_timer_class+0x30/0x30 [ 155.329549][ C1] bpf_probe_unregister+0x61/0x70 [ 155.334402][ C1] bpf_raw_tp_link_release+0x63/0x90 [ 155.339607][ C1] bpf_link_put+0x1fd/0x280 [ 155.343946][ C1] bpf_link_release+0x3b/0x40 [ 155.348458][ C1] ? __bpf_prog_put_rcu+0x170/0x170 [ 155.353494][ C1] __fput+0x309/0x760 [ 155.357314][ C1] ____fput+0x15/0x20 [ 155.361134][ C1] task_work_run+0x129/0x190 [ 155.365561][ C1] ptrace_notify+0x29e/0x350 [ 155.369987][ C1] ? task_work_add+0x1b0/0x1d0 [ 155.374586][ C1] ? do_notify_parent+0xa10/0xa10 [ 155.379444][ C1] ? fput_many+0x167/0x1b0 [ 155.383705][ C1] ? fput+0x1a/0x20 [ 155.387341][ C1] ? filp_close+0x106/0x150 [ 155.391686][ C1] syscall_exit_to_user_mode+0x120/0x1d0 [ 155.397152][ C1] do_syscall_64+0x40/0x70 [ 155.401406][ C1] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 155.407151][ C1] RIP: 0033:0x7fd3c623e3e0 [ 155.411402][ C1] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d a1 8c 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 155.430832][ C1] RSP: 002b:00007fff47cbf418 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 155.439069][ C1] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fd3c623e3e0 [ 155.446883][ C1] RDX: 0000000000000020 RSI: 00000000200005c0 RDI: 0000000000000005 [ 155.454693][ C1] RBP: 0000000000000000 R08: 0000555556cd9610 R09: 0000555556cd9610 [ 155.462511][ C1] R10: 0000555556cd9610 R11: 0000000000000202 R12: 0000000000000000 [ 155.470316][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000