./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor38948130 <...> DUID 00:04:7a:dc:29:a2:f4:b1:6d:28:30:de:a7:64:4f:eb:cd:90 forked to background, child pid 3186 [ 26.098000][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.109907][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts. execve("./syz-executor38948130", ["./syz-executor38948130"], 0x7fff4a6f6510 /* 10 vars */) = 0 brk(NULL) = 0x555555b9c000 brk(0x555555b9cc40) = 0x555555b9cc40 arch_prctl(ARCH_SET_FS, 0x555555b9c300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x555555b9c5d0) = 3615 set_robust_list(0x555555b9c5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fb181819990, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fb18181a060}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fb181819a30, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb18181a060}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor38948130", 4096) = 26 brk(0x555555bbdc40) = 0x555555bbdc40 brk(0x555555bbe000) = 0x555555bbe000 mprotect(0x7fb1818db000, 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=0x555555b9c5d0) = 3616 ./strace-static-x86_64: Process 3616 attached [pid 3616] set_robust_list(0x555555b9c5e0, 24) = 0 [pid 3616] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setsid() = 1 [pid 3616] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3616] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3616] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3616] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3616] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3616] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3616] unshare(CLONE_NEWNS) = 0 [pid 3616] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3616] unshare(CLONE_NEWIPC) = 0 [pid 3616] unshare(CLONE_NEWCGROUP) = 0 [pid 3616] unshare(CLONE_NEWUTS) = 0 [pid 3616] unshare(CLONE_SYSVSEM) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "16777216", 8) = 8 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "536870912", 9) = 9 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1024", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "8192", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1024", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1024", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3616] close(3) = 0 [pid 3616] getpid() = 1 [pid 3616] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 3630] set_robust_list(0x7fb1818069e0, 24) = 0 [pid 3630] socket(AF_INET6, SOCK_RAW, IPPROTO_ICMPV6) = 3 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3616] <... futex resumed>) = 0 [pid 3630] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... openat resumed>) = 4 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] ioctl(4, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200001c0 [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... ioctl resumed>) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... openat resumed>) = 6 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] ioctl(6, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200001c0 [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... ioctl resumed>) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] ioctl(7, SYNC_IOC_MERGE [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... ioctl resumed>, 0x20000040) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] ioctl(7, SYNC_IOC_MERGE [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000 [pid 3630] <... ioctl resumed>, 0x20000080) = 0 [pid 3616] <... futex resumed>) = 0 [pid 3630] futex(0x7fb1818e150c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3630] <... futex resumed>) = 0 [pid 3616] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3630] ppoll([{fd=8, events=0}, {fd=9, events=0}], 2, NULL, NULL, 0 [pid 3616] futex(0x7fb1818e1508, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3616] futex(0x7fb1818e150c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 3616] futex(0x7fb1818e151c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb1817c5000 [pid 3616] mprotect(0x7fb1817c6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3616] clone(child_stack=0x7fb1817e53f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[3], tls=0x7fb1817e5700, child_tidptr=0x7fb1817e59d0) = 3 [pid 3616] futex(0x7fb1818e1518, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] futex(0x7fb1818e151c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3631 attached [pid 3631] set_robust_list(0x7fb1817e59e0, 24) = 0 [pid 3631] close_range(3, 4294967295, 0 [pid 3616] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3616] futex(0x7fb1818e152c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb1817a4000 [pid 3616] mprotect(0x7fb1817a5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3616] clone(child_stack=0x7fb1817c43f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4], tls=0x7fb1817c4700, child_tidptr=0x7fb1817c49d0) = 4 [pid 3616] futex(0x7fb1818e1528, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] futex(0x7fb1818e152c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x7fb1817c49e0, 24) = 0 [pid 3632] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 3632] futex(0x7fb1818e152c, FUTEX_WAKE_PRIVATE, 1000000 [pid 3616] <... futex resumed>) = 0 [pid 3616] futex(0x7fb1818e1528, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 3616] futex(0x7fb1818e152c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3632] <... futex resumed>) = 1 [pid 3632] read(3, "objs:\n--------------\nsyz-executor389: 0\n fence active: 2147483647 / 0\n\nsyz-executor389: 0\n fence a"..., 8224) = 146 [pid 3632] futex(0x7fb1818e152c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 3616] <... futex resumed>) = 0 [pid 3632] futex(0x7fb1818e1528, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3616] exit_group(1 [pid 3630] <... ppoll resumed> ) = ? [pid 3616] <... exit_group resumed>) = ? [pid 3630] +++ exited with 1 +++ [pid 3632] <... futex resumed>) = ? [pid 3632] +++ exited with 1 +++ [ 53.178435][ C0] [ 53.180778][ C0] ================================ [ 53.185860][ C0] WARNING: inconsistent lock state [ 53.190943][ C0] 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 Not tainted [ 53.198024][ C0] -------------------------------- [ 53.203107][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 53.209954][ C0] syz-executor389/3631 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 53.216707][ C0] ffffffff8d313c38 (sync_timeline_list_lock){?.+.}-{2:2}, at: sync_timeline_debug_remove+0x28/0x140 [ 53.227504][ C0] {HARDIRQ-ON-W} state was registered at: [ 53.233207][ C0] trace_hardirqs_on+0x34/0x40 [ 53.238049][ C0] _raw_spin_unlock_irq+0x1f/0x40 [ 53.243152][ C0] sync_info_debugfs_show+0x17e/0x510 [ 53.248592][ C0] seq_read_iter+0x43a/0xd30 [ 53.253270][ C0] seq_read+0x3d4/0x500 [ 53.257504][ C0] vfs_read+0x2ea/0xd10 [ 53.261742][ C0] ksys_read+0x19b/0x2c0 [ 53.266051][ C0] do_syscall_64+0x2b/0x70 [ 53.270538][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 53.276503][ C0] irq event stamp: 5504 [ 53.280635][ C0] hardirqs last enabled at (5503): [] _raw_spin_unlock_irq+0x1f/0x40 [ 53.290336][ C0] hardirqs last disabled at (5504): [] sysvec_irq_work+0xa/0xb0 [ 53.299510][ C0] softirqs last enabled at (5370): [] __tun_set_ebpf+0x102/0x1a0 [ 53.308863][ C0] softirqs last disabled at (5368): [] __tun_set_ebpf+0xa3/0x1a0 [ 53.318123][ C0] [ 53.318123][ C0] other info that might help us debug this: [ 53.326161][ C0] Possible unsafe locking scenario: [ 53.326161][ C0] [ 53.333587][ C0] CPU0 [ 53.336848][ C0] ---- [ 53.340108][ C0] lock(sync_timeline_list_lock); [ 53.345206][ C0] [ 53.348639][ C0] lock(sync_timeline_list_lock); [ 53.353907][ C0] [ 53.353907][ C0] *** DEADLOCK *** [ 53.353907][ C0] [ 53.362029][ C0] no locks held by syz-executor389/3631. [ 53.367638][ C0] [ 53.367638][ C0] stack backtrace: [ 53.373508][ C0] CPU: 0 PID: 3631 Comm: syz-executor389 Not tainted 5.19.0-rc4-syzkaller-00014-g941e3e791269 #0 [ 53.383986][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.394024][ C0] Call Trace: [ 53.397289][ C0] [ 53.400121][ C0] dump_stack_lvl+0x1e3/0x2cb [ 53.404786][ C0] ? bfq_pos_tree_add_move+0x436/0x436 [ 53.410231][ C0] ? lockdep_print_held_locks+0x6b/0x1b0 [ 53.415849][ C0] ? print_usage_bug+0x627/0x8a0 [ 53.420769][ C0] ? unwind_get_return_address+0x48/0x80 [ 53.426386][ C0] ? arch_stack_walk+0xf8/0x140 [ 53.431223][ C0] mark_lock_irq+0xb20/0xf00 [ 53.435798][ C0] ? save_trace+0xba0/0xba0 [ 53.440285][ C0] ? stack_trace_snprint+0xf0/0xf0 [ 53.445380][ C0] ? do_raw_spin_unlock+0x134/0x8a0 [ 53.450567][ C0] ? save_trace+0x5a/0xba0 [ 53.454966][ C0] mark_lock+0x21c/0x350 [ 53.459205][ C0] __lock_acquire+0xb43/0x1f80 [ 53.463961][ C0] lock_acquire+0x1a7/0x400 [ 53.468455][ C0] ? sync_timeline_debug_remove+0x28/0x140 [ 53.474245][ C0] ? trace_lock_release+0x7a/0x190 [ 53.479341][ C0] ? read_lock_is_recursive+0x10/0x10 [ 53.484724][ C0] ? read_lock_is_recursive+0x10/0x10 [ 53.490088][ C0] ? timeline_fence_release+0x1ca/0x250 [ 53.495613][ C0] ? do_raw_spin_lock+0x148/0x360 [ 53.500620][ C0] ? __lock_acquire+0x1f80/0x1f80 [ 53.505627][ C0] ? do_raw_spin_unlock+0x134/0x8a0 [ 53.510808][ C0] _raw_spin_lock_irqsave+0xd1/0x120 [ 53.516074][ C0] ? sync_timeline_debug_remove+0x28/0x140 [ 53.521860][ C0] ? _raw_spin_lock+0x40/0x40 [ 53.526516][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 53.532391][ C0] ? _raw_spin_unlock+0x40/0x40 [ 53.537226][ C0] sync_timeline_debug_remove+0x28/0x140 [ 53.542841][ C0] timeline_fence_release+0x200/0x250 [ 53.548199][ C0] dma_fence_array_release+0x134/0x240 [ 53.553645][ C0] irq_work_single+0xd3/0x230 [ 53.558308][ C0] irq_work_run+0x189/0x350 [ 53.562797][ C0] ? irq_work_single+0x230/0x230 [ 53.567718][ C0] ? __irq_exit_rcu+0xf8/0x170 [ 53.572471][ C0] ? irq_exit_rcu+0x20/0x20 [ 53.576957][ C0] __sysvec_irq_work+0x62/0x70 [ 53.581706][ C0] sysvec_irq_work+0x8c/0xb0 [ 53.586278][ C0] [ 53.589192][ C0] [ 53.592108][ C0] asm_sysvec_irq_work+0x1b/0x20 [ 53.597032][ C0] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 [ 53.602822][ C0] Code: f1 10 f7 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2e cb 33 f7 48 89 df e8 36 3c 35 f7 e8 e1 11 5a f7 fb bf 01 00 00 00 46 ed 27 f7 65 8b 05 47 57 ce 75 85 c0 74 02 5b c3 e8 ec 40 cc [ 53.622410][ C0] RSP: 0018:ffffc9000318fce0 EFLAGS: 00000282 [ 53.628477][ C0] RAX: 1b9ea956863ed900 RBX: ffff88801e0efe50 RCX: ffffffff91540e03 [ 53.636431][ C0] RDX: dffffc0000000000 RSI: ffffffff8a8d22c0 RDI: 0000000000000001 [ 53.644391][ C0] RBP: ffff8880219d443c R08: dffffc0000000000 R09: ffffed1003c1dfcb [ 53.652344][ C0] R10: ffffed1003c1dfcb R11: 1ffff11003c1dfca R12: ffff88801e0efe40 [ 53.660297][ C0] R13: ffff8880219d4400 R14: dffffc0000000000 R15: ffff88801e0efe00 [ 53.668262][ C0] sw_sync_debugfs_release+0x14d/0x1d0 [ 53.673709][ C0] ? sw_sync_debugfs_open+0x240/0x240 [ 53.679076][ C0] __fput+0x3b9/0x820 [ 53.683043][ C0] task_work_run+0x146/0x1c0 [ 53.687627][ C0] ptrace_notify+0x29a/0x340 [ 53.692201][ C0] ? do_notify_parent+0xe50/0xe50 [ 53.697207][ C0] ? __close_range+0x5a4/0x950 [ 53.701954][ C0] ? pick_file+0x1b0/0x1b0 [ 53.706351][ C0] syscall_exit_work+0x8c/0xe0 [ 53.711102][ C0] syscall_exit_to_user_mode_prepare+0x62/0x80 [ 53.717242][ C0] syscall_exit_to_user_mode+0xa/0x60 [ 53.722608][ C0] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 53.728487][ C0] RIP: 0033:0x7fb1818587e9 [ 53.732891][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 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 [ 53.752480][ C0] RSP: 002b:00007fb1817e52f8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 53.760877][ C0] RAX: 0000000000000000 RBX: 00007fb1818e1510 RCX: 00007fb1818587e9 [ 53.768831][ C0] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000003 [pid 3631] <... close_range resumed>) = ? [pid 3631] +++ exited with 1 +++ [pid 3616] +++ exited with 1 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=1, si_utime=0, si_stime=86} --- exit_group(0) = ? +++ exited with 0 +++ [ 53.776784][ C0] RBP: 00007fb1818e151c R08