./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4181234236 <...> Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. execve("./syz-executor4181234236", ["./syz-executor4181234236"], 0x7ffc1ce86c40 /* 10 vars */) = 0 brk(NULL) = 0x55555669c000 brk(0x55555669cd00) = 0x55555669cd00 arch_prctl(ARCH_SET_FS, 0x55555669c380) = 0 set_tid_address(0x55555669c650) = 286 set_robust_list(0x55555669c660, 24) = 0 rseq(0x55555669cca0, 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-executor4181234236", 4096) = 28 getrandom("\x81\xf8\xde\x59\x43\x3b\x8f\xc4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555669cd00 brk(0x5555566bdd00) = 0x5555566bdd00 brk(0x5555566be000) = 0x5555566be000 mprotect(0x7fd3f7689000, 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=0x55555669c650) = 287 ./strace-static-x86_64: Process 287 attached [pid 287] set_robust_list(0x55555669c660, 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 [ 155.057319][ C0] RSP: 0018:ffffc90000b17720 EFLAGS: 00000293 [ 155.063220][ C0] RAX: ffffffff815fbb14 RBX: 1ffff92000162eed RCX: ffff88811ee88000 [ 155.071032][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 155.078842][ C0] RBP: ffffc90000b17810 R08: ffffffff815fbae6 R09: ffffed103ee2aec9 [ 155.086654][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 155.094465][ C0] R13: 0000000000000001 R14: ffffc90000b17768 R15: 0000000000000000 [ 155.102279][ C0] FS: 000055555669c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 155.111042][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 155.117467][ C0] CR2: 0000000020010000 CR3: 000000011f18e000 CR4: 00000000003506b0 [ 155.125291][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.133086][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.140896][ C0] Call Trace: [ 155.144021][ C0] [ 155.146718][ C0] ? show_regs+0x58/0x60 [ 155.150833][ C0] ? watchdog_timer_fn+0x471/0x590 [ 155.155741][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 155.160863][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 155.166073][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 155.171021][ C0] ? clockevents_program_event+0x214/0x2c0 [ 155.176658][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 155.182560][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 155.187527][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 155.193413][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 155.198439][ C0] [ 155.201222][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 155.206865][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 155.212851][ C0] ? smp_call_function_single+0x266/0x510 [ 155.218404][ C0] ? smp_call_function_single+0x294/0x510 [ 155.223963][ C0] ? smp_call_function_single+0x278/0x510 [ 155.229515][ C0] ? text_poke_sync+0x20/0x20 [ 155.234030][ C0] ? flush_smp_call_function_from_idle+0x1b0/0x1b0 [ 155.240363][ C0] ? cpumask_any_but+0x18/0xb0 [ 155.244965][ C0] ? text_poke_sync+0x20/0x20 [ 155.249476][ C0] ? cpumask_any_but+0xa3/0xb0 [ 155.254079][ C0] smp_call_function_many_cond+0x94e/0xa30 [ 155.259720][ C0] ? enqueue_timer+0x169/0x4c0 [ 155.264320][ C0] ? text_poke_sync+0x20/0x20 [ 155.268832][ C0] ? smp_call_function_many+0x40/0x40 [ 155.274040][ C0] ? text_poke+0x20/0x20 [ 155.278120][ C0] ? text_poke_sync+0x20/0x20 [ 155.282631][ C0] on_each_cpu+0xa8/0x1a0 [ 155.286798][ C0] ? smp_call_function+0x90/0x90 [ 155.291574][ C0] ? text_poke_loc_init+0x2e1/0x580 [ 155.296608][ C0] ? text_poke_finish+0x30/0x30 [ 155.301316][ C0] text_poke_bp_batch+0x1d4/0x600 [ 155.306156][ C0] ? text_poke_loc_init+0x580/0x580 [ 155.311185][ C0] ? mutex_lock+0xa5/0x110 [ 155.315441][ C0] ? mutex_trylock+0xa0/0xa0 [ 155.319868][ C0] ? mutex_unlock+0x1c/0x40 [ 155.324205][ C0] text_poke_finish+0x1a/0x30 [ 155.328721][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 155.334533][ C0] __jump_label_update+0x36a/0x380 [ 155.339484][ C0] jump_label_update+0x379/0x400 [ 155.344256][ C0] static_key_disable_cpuslocked+0xcd/0x1b0 [ 155.349990][ C0] static_key_disable+0x1a/0x30 [ 155.354671][ C0] tracepoint_probe_unregister+0x6e0/0x9e0 [ 155.360315][ C0] ? __bpf_trace_timer_class+0x30/0x30 [ 155.365614][ C0] bpf_probe_unregister+0x61/0x70 [ 155.370469][ C0] bpf_raw_tp_link_release+0x63/0x90 [ 155.375587][ C0] bpf_link_put+0x1fd/0x280 [ 155.379931][ C0] bpf_link_release+0x3b/0x40 [ 155.384457][ C0] ? __bpf_prog_put_rcu+0x170/0x170 [ 155.389479][ C0] __fput+0x309/0x760 [ 155.393293][ C0] ____fput+0x15/0x20 [ 155.397113][ C0] task_work_run+0x129/0x190 [ 155.401542][ C0] ptrace_notify+0x29e/0x350 [ 155.405963][ C0] ? task_work_add+0x1b0/0x1d0 [ 155.410563][ C0] ? do_notify_parent+0xa10/0xa10 [ 155.415426][ C0] ? fput_many+0x167/0x1b0 [ 155.419679][ C0] ? fput+0x1a/0x20 [ 155.423322][ C0] ? filp_close+0x106/0x150 [ 155.427665][ C0] syscall_exit_to_user_mode+0x120/0x1d0 [ 155.433130][ C0] do_syscall_64+0x40/0x70 [ 155.437383][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 155.443111][ C0] RIP: 0033:0x7fd3f76153e0 [ 155.447378][ C0] 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 [ 155.466803][ C0] RSP: 002b:00007ffd857f3a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 155.475048][ C0] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fd3f76153e0 [ 155.482868][ C0] RDX: 0000000000000020 RSI: 00000000200005c0 RDI: 0000000000000005 [ 155.490673][ C0] RBP: 0000000000000000 R08: 000055555669d610 R09: 000055555669d610 [ 155.498482][ C0] R10: 000055555669d610 R11: 0000000000000202 R12: 0000000000000000 [ 155.506292][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000