./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2891685427 <...> Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts. execve("./syz-executor2891685427", ["./syz-executor2891685427"], 0x7ffed74d09a0 /* 10 vars */) = 0 brk(NULL) = 0x555584e3a000 brk(0x555584e3ad00) = 0x555584e3ad00 arch_prctl(ARCH_SET_FS, 0x555584e3a380) = 0 set_tid_address(0x555584e3a650) = 5078 set_robust_list(0x555584e3a660, 24) = 0 rseq(0x555584e3aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2891685427", 4096) = 28 getrandom("\x28\x3b\x8d\x72\x9a\xef\x42\x24", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584e3ad00 brk(0x555584e5bd00) = 0x555584e5bd00 brk(0x555584e5c000) = 0x555584e5c000 mprotect(0x7f775818a000, 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 5079 attached , child_tidptr=0x555584e3a650) = 5079 [pid 5079] set_robust_list(0x555584e3a660, 24) = 0 [pid 5079] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5079] setsid() = 1 [pid 5079] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5079] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5079] unshare(CLONE_NEWNS) = 0 [pid 5079] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5079] unshare(CLONE_NEWIPC) = 0 [pid 5079] unshare(CLONE_NEWCGROUP) = 0 [pid 5079] unshare(CLONE_NEWUTS) = 0 [pid 5079] unshare(CLONE_SYSVSEM) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "16777216", 8) = 8 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "536870912", 9) = 9 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "8192", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024", 4) = 4 [pid 5079] close(3) = 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5079] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5079] close(3) = 0 [pid 5079] getpid() = 1 [pid 5079] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 80 3c 20 00 4c 8b 74 24 28 48 8b 5c 24 30 74 08 48 89 df e8 36 [ 130.660580][ C1] RSP: 0018:ffffc90000a08c90 EFLAGS: 00000046 [ 130.660594][ C1] RAX: 1ffff1100223baaa RBX: ffff8880111dd130 RCX: ffff8880176c5a00 [ 130.660607][ C1] RDX: 0000000080010002 RSI: 0000000000000003 RDI: 0000000000000000 [ 130.660617][ C1] RBP: 1ffff1100223ba80 R08: ffffffff8989ea23 R09: fffff52000141180 [ 130.660629][ C1] R10: dffffc0000000000 R11: fffff52000141180 R12: dffffc0000000000 [ 130.660641][ C1] R13: ffff8880111dd400 R14: 0000000000000000 R15: 0000000000000000 [ 130.660651][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 130.660665][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 130.660676][ C1] CR2: 0000000020000600 CR3: 000000002374e000 CR4: 00000000003506f0 [ 130.660689][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 130.660699][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 130.660709][ C1] Call Trace: [ 130.660716][ C1] [ 130.660723][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 130.660746][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 130.660765][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 130.660780][ C1] ? nmi_handle+0x2a/0x5a0 [ 130.660805][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 130.660825][ C1] ? nmi_handle+0x14f/0x5a0 [ 130.660841][ C1] ? nmi_handle+0x2a/0x5a0 [ 130.660858][ C1] ? advance_sched+0x5c1/0xca0 [ 130.660875][ C1] ? default_do_nmi+0x63/0x160 [ 130.660892][ C1] ? exc_nmi+0x123/0x1f0 [ 130.660908][ C1] ? end_repeat_nmi+0xf/0x53 [ 130.660931][ C1] ? advance_sched+0x583/0xca0 [ 130.660949][ C1] ? advance_sched+0x5c1/0xca0 [ 130.660967][ C1] ? advance_sched+0x5c1/0xca0 [ 130.660990][ C1] ? advance_sched+0x5c1/0xca0 [ 130.661008][ C1] [ 130.661013][ C1] [ 130.661026][ C1] ? __pfx_advance_sched+0x10/0x10 [ 130.661044][ C1] __hrtimer_run_queues+0x5a5/0xd50 [ 130.661076][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 130.661097][ C1] ? ktime_get_update_offsets_now+0x411/0x430 [ 130.661119][ C1] hrtimer_interrupt+0x396/0x990 [ 130.661153][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 130.661180][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 130.661200][ C1] [ 130.661206][ C1] [ 130.661211][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 130.661231][ C1] RIP: 0010:acpi_safe_halt+0x21/0x30 [ 130.661246][ C1] Code: 90 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 d3 03 00 48 f7 00 08 00 00 00 75 10 66 90 0f 00 2d a5 5c a9 00 f3 0f 1e fa fb f4 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 [ 130.661259][ C1] RSP: 0018:ffffc90000197d08 EFLAGS: 00000246 [ 130.661272][ C1] RAX: ffff8880176c5a00 RBX: ffff8880176ed064 RCX: 000000000001a261 [ 130.661283][ C1] RDX: 0000000000000001 RSI: ffff8880176ed000 RDI: ffff8880176ed064 [ 130.661294][ C1] RBP: 000000000003a478 R08: ffff8880b9537ccb R09: 1ffff110172a6f99 [ 130.661305][ C1] R10: dffffc0000000000 R11: ffffffff8b7ff050 R12: ffff888018315000 [ 130.661317][ C1] R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff8eac23e0 [ 130.661330][ C1] ? __pfx_acpi_idle_enter+0x10/0x10 [ 130.661350][ C1] acpi_idle_enter+0xe4/0x140 [ 130.661367][ C1] cpuidle_enter_state+0x112/0x480 [ 130.661390][ C1] ? __pfx_menu_select+0x10/0x10 [ 130.661408][ C1] cpuidle_enter+0x5d/0xa0 [ 130.661432][ C1] do_idle+0x375/0x5d0 [ 130.661449][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 130.661470][ C1] ? __pfx_do_idle+0x10/0x10 [ 130.661487][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 130.661515][ C1] ? complete+0xb4/0x1c0 [ 130.661539][ C1] cpu_startup_entry+0x42/0x60 [ 130.661556][ C1] start_secondary+0x100/0x100 [ 130.661576][ C1] common_startup_64+0x13e/0x147 [ 130.661603][ C1] [ 130.661610][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.125 msecs