./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3267988573 <...> Warning: Permanently added '10.128.1.88' (ED25519) to the list of known hosts. execve("./syz-executor3267988573", ["./syz-executor3267988573"], 0x7ffd96b81f90 /* 10 vars */) = 0 brk(NULL) = 0x555555e28000 brk(0x555555e28d00) = 0x555555e28d00 arch_prctl(ARCH_SET_FS, 0x555555e28380) = 0 set_tid_address(0x555555e28650) = 285 set_robust_list(0x555555e28660, 24) = 0 rseq(0x555555e28ca0, 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-executor3267988573", 4096) = 28 getrandom("\x21\x4d\xdb\xbb\x78\x1a\x7d\x50", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e28d00 brk(0x555555e49d00) = 0x555555e49d00 brk(0x555555e4a000) = 0x555555e4a000 mprotect(0x7f5fb872f000, 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=0x555555e28650) = 286 ./strace-static-x86_64: Process 286 attached [pid 286] set_robust_list(0x555555e28660, 24) = 0 [pid 286] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 286] setsid() = 1 [pid 286] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 286] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 286] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 286] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 286] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 286] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 286] unshare(CLONE_NEWNS) = 0 [pid 286] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 286] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 286] unshare(CLONE_NEWCGROUP) = 0 [pid 286] unshare(CLONE_NEWUTS) = 0 [pid 286] unshare(CLONE_SYSVSEM) = 0 [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 286] getpid() = 1 [pid 286] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 48 8b 0d 80 c5 97 7e 65 8b 15 85 c5 97 7e f7 c2 00 01 ff 00 74 [ 154.927079][ C0] RSP: 0018:ffffc90000b07710 EFLAGS: 00000202 [ 154.932942][ C0] RAX: ffffffff815fbb14 RBX: 1ffff92000160eed RCX: ffff88811ec93b40 [ 154.940763][ C0] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 154.948563][ C0] RBP: ffffc90000b07710 R08: ffffffff815fbae6 R09: ffffed103ee2aec9 [ 154.956381][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 154.964182][ C0] R13: 0000000000000001 R14: ffffc90000b07768 R15: 0000000000000000 [ 154.971998][ C0] FS: 0000555555e28380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 154.980765][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.987188][ C0] CR2: 0000000020010000 CR3: 000000011ebb4000 CR4: 00000000003506b0 [ 154.994999][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 155.002810][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 155.010614][ C0] Call Trace: [ 155.013743][ C0] [ 155.016442][ C0] ? show_regs+0x58/0x60 [ 155.020517][ C0] ? watchdog_timer_fn+0x471/0x590 [ 155.025462][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 155.030585][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 155.035792][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 155.040739][ C0] ? clockevents_program_event+0x214/0x2c0 [ 155.046388][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 155.052280][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 155.057233][ C0] ? __sysvec_apic_timer_interrupt+0xfd/0x3c0 [ 155.063130][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 155.068169][ C0] [ 155.070945][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 155.076586][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 155.082576][ C0] ? smp_call_function_single+0x266/0x510 [ 155.088128][ C0] ? smp_call_function_single+0x294/0x510 [ 155.093695][ C0] ? __sanitizer_cov_trace_pc+0x8/0x60 [ 155.098976][ C0] smp_call_function_single+0x294/0x510 [ 155.104369][ C0] ? text_poke_sync+0x20/0x20 [ 155.108873][ C0] ? flush_smp_call_function_from_idle+0x1b0/0x1b0 [ 155.115212][ C0] ? cpumask_any_but+0x18/0xb0 [ 155.119811][ C0] ? text_poke_sync+0x20/0x20 [ 155.124327][ C0] ? cpumask_any_but+0xa3/0xb0 [ 155.128935][ C0] smp_call_function_many_cond+0x94e/0xa30 [ 155.134572][ C0] ? enqueue_timer+0x169/0x4c0 [ 155.139161][ C0] ? text_poke_sync+0x20/0x20 [ 155.143683][ C0] ? smp_call_function_many+0x40/0x40 [ 155.148877][ C0] ? text_poke+0x20/0x20 [ 155.152955][ C0] ? text_poke_sync+0x20/0x20 [ 155.157471][ C0] on_each_cpu+0xa8/0x1a0 [ 155.161636][ C0] ? smp_call_function+0x90/0x90 [ 155.166413][ C0] ? text_poke_loc_init+0x2e1/0x580 [ 155.171447][ C0] ? text_poke_finish+0x30/0x30 [ 155.176135][ C0] text_poke_bp_batch+0x1d4/0x600 [ 155.180998][ C0] ? text_poke_loc_init+0x580/0x580 [ 155.186025][ C0] ? mutex_lock+0xa5/0x110 [ 155.190390][ C0] ? mutex_trylock+0xa0/0xa0 [ 155.194802][ C0] ? mutex_unlock+0x1c/0x40 [ 155.199141][ C0] text_poke_finish+0x1a/0x30 [ 155.203654][ C0] arch_jump_label_transform_apply+0x15/0x30 [ 155.209470][ C0] __jump_label_update+0x36a/0x380 [ 155.214417][ C0] jump_label_update+0x379/0x400 [ 155.219192][ C0] static_key_disable_cpuslocked+0xcd/0x1b0 [ 155.224918][ C0] static_key_disable+0x1a/0x30 [ 155.229605][ C0] tracepoint_probe_unregister+0x6e0/0x9e0 [ 155.235247][ C0] ? __bpf_trace_timer_class+0x30/0x30 [ 155.240546][ C0] bpf_probe_unregister+0x61/0x70 [ 155.245403][ C0] bpf_raw_tp_link_release+0x63/0x90 [ 155.250523][ C0] bpf_link_put+0x1fd/0x280 [ 155.254859][ C0] bpf_link_release+0x3b/0x40 [ 155.259378][ C0] ? __bpf_prog_put_rcu+0x170/0x170 [ 155.264406][ C0] __fput+0x309/0x760 [ 155.268232][ C0] ____fput+0x15/0x20 [ 155.272048][ C0] task_work_run+0x129/0x190 [ 155.276475][ C0] ptrace_notify+0x29e/0x350 [ 155.280902][ C0] ? task_work_add+0x1b0/0x1d0 [ 155.285496][ C0] ? do_notify_parent+0xa10/0xa10 [ 155.290362][ C0] ? fput_many+0x167/0x1b0 [ 155.294613][ C0] ? fput+0x1a/0x20 [ 155.298259][ C0] ? filp_close+0x106/0x150 [ 155.302614][ C0] syscall_exit_to_user_mode+0x120/0x1d0 [ 155.308066][ C0] do_syscall_64+0x40/0x70 [ 155.312405][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 155.318131][ C0] RIP: 0033:0x7f5fb86bb3e0 [ 155.322403][ 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 [ 155.341826][ C0] RSP: 002b:00007ffc65af6878 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 155.350070][ C0] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f5fb86bb3e0 [ 155.357880][ C0] RDX: 0000000000000020 RSI: 00000000200005c0 RDI: 0000000000000005 [ 155.365694][ C0] RBP: 0000000000000000 R08: 0000555555e29610 R09: 0000555555e29610 [ 155.373504][ C0] R10: 0000555555e29610 R11: 0000000000000202 R12: 0000000000000000 [ 155.381315][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000