./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2867191572 <...> Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. execve("./syz-executor2867191572", ["./syz-executor2867191572"], 0x7fff04a6a380 /* 10 vars */) = 0 brk(NULL) = 0x5555735f3000 brk(0x5555735f3d00) = 0x5555735f3d00 arch_prctl(ARCH_SET_FS, 0x5555735f3380) = 0 set_tid_address(0x5555735f3650) = 5094 set_robust_list(0x5555735f3660, 24) = 0 rseq(0x5555735f3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2867191572", 4096) = 28 getrandom("\x0f\x2c\xcf\xf2\x8b\x06\x08\xe8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555735f3d00 brk(0x555573614d00) = 0x555573614d00 brk(0x555573615000) = 0x555573615000 mprotect(0x7f0eb1fc9000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5095 attached , child_tidptr=0x5555735f3650) = 5095 [pid 5095] set_robust_list(0x5555735f3660, 24) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5096 attached ./strace-static-x86_64: Process 5097 attached , child_tidptr=0x5555735f3650) = 5096 [pid 5097] set_robust_list(0x5555735f3660, 24 [pid 5096] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5097 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... set_robust_list resumed>) = 0 [pid 5096] <... set_robust_list resumed>) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5099 attached ./strace-static-x86_64: Process 5098 attached [pid 5097] <... prctl resumed>) = 0 [pid 5097] setpgid(0, 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5099 [pid 5097] <... setpgid resumed>) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] <... clone resumed>, child_tidptr=0x5555735f3650) = 5098 [pid 5099] set_robust_list(0x5555735f3660, 24 [pid 5098] set_robust_list(0x5555735f3660, 24 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... openat resumed>) = 3 [pid 5098] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5100 attached [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] write(3, "1000", 4 [pid 5100] set_robust_list(0x5555735f3660, 24 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5094] <... clone resumed>, child_tidptr=0x5555735f3650) = 5100 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] <... prctl resumed>) = 0 [pid 5097] <... write resumed>) = 4 [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] close(3./strace-static-x86_64: Process 5101 attached ) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5099] setpgid(0, 0 [pid 5097] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5101] set_robust_list(0x5555735f3660, 24 [pid 5099] <... setpgid resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5101 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5097] <... openat resumed>) = 3 [pid 5101] <... set_robust_list resumed>) = 0 [pid 5099] <... openat resumed>) = 3 [pid 5097] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5102 attached ./strace-static-x86_64: Process 5103 attached [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5103 [pid 5099] write(3, "1000", 4 [pid 5102] set_robust_list(0x5555735f3660, 24) = 0 [pid 5101] <... prctl resumed>) = 0 [pid 5099] <... write resumed>) = 4 [pid 5101] setpgid(0, 0 [pid 5099] close(3 [pid 5097] <... ioctl resumed>) = 0 [pid 5101] <... setpgid resumed>) = 0 [pid 5103] set_robust_list(0x5555735f3660, 24 [pid 5097] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5099] <... close resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... openat resumed>) = 5 [pid 5094] <... clone resumed>, child_tidptr=0x5555735f3650) = 5102 [pid 5097] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5097] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5104 attached [pid 5094] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] <... set_robust_list resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5104] set_robust_list(0x5555735f3660, 24 [pid 5097] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5104 [pid 5104] <... set_robust_list resumed>) = 0 [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] <... openat resumed>) = 3 [pid 5099] <... openat resumed>) = 3 [pid 5097] poll([{fd=7, events=0}], 1, 0 [pid 5104] <... prctl resumed>) = 0 [pid 5103] <... prctl resumed>) = 0 [pid 5097] <... poll resumed>) = 0 (Timeout) [pid 5101] write(3, "1000", 4 [pid 5103] setpgid(0, 0 [pid 5099] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5097] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5105 attached [pid 5104] setpgid(0, 0 [pid 5103] <... setpgid resumed>) = 0 [pid 5101] <... write resumed>) = 4 [pid 5099] <... ioctl resumed>) = 0 [pid 5104] <... setpgid resumed>) = 0 [pid 5094] <... clone resumed>, child_tidptr=0x5555735f3650) = 5105 [pid 5105] set_robust_list(0x5555735f3660, 24 [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5101] close(3 [pid 5099] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5097] <... close_range resumed>) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 5103] <... openat resumed>) = 3 [pid 5101] <... close resumed>) = 0 [pid 5099] <... openat resumed>) = 5 [pid 5097] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [ 108.390007][ T5097] [ 108.392354][ T5097] ================================ [ 108.397451][ T5097] WARNING: inconsistent lock state [ 108.402555][ T5097] 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0 Not tainted [ 108.409584][ T5097] -------------------------------- [ 108.414687][ T5097] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. [ 108.421524][ T5097] syz-executor286/5097 [HC0[0]:SC0[0]:HE0:SE1] takes: [ 108.428292][ T5097] ffffffff8e835f38 (sync_timeline_list_lock){?...}-{2:2}, at: sync_info_debugfs_show+0x31/0x200 [ 108.438808][ T5097] {IN-HARDIRQ-W} state was registered at: [ 108.444520][ T5097] lock_acquire+0x1b1/0x560 [ 108.449121][ T5097] _raw_spin_lock_irqsave+0x3a/0x60 [ 108.454433][ T5097] sync_timeline_debug_remove+0x29/0x1a0 [ 108.460169][ T5097] timeline_fence_release+0x262/0x340 [ 108.465642][ T5097] dma_fence_release+0x30b/0x560 [ 108.470696][ T5097] dma_fence_array_release+0x1fa/0x2e0 [ 108.476277][ T5097] dma_fence_release+0x30b/0x560 [ 108.481339][ T5097] irq_dma_fence_array_work+0xa9/0xd0 [ 108.486833][ T5097] irq_work_single+0x1bf/0x260 [ 108.491711][ T5097] irq_work_run_list+0x92/0xc0 [ 108.496590][ T5097] irq_work_run+0x58/0xd0 [ 108.501030][ T5097] __sysvec_irq_work+0x8c/0x410 [ 108.505981][ T5097] sysvec_irq_work+0x90/0xb0 [ 108.510699][ T5097] asm_sysvec_irq_work+0x1a/0x20 [ 108.515729][ T5097] _raw_spin_unlock_irq+0x29/0x50 [ 108.520852][ T5097] sw_sync_debugfs_release+0x164/0x240 [ 108.526412][ T5097] __fput+0x273/0xb80 [ 108.530501][ T5097] task_work_run+0x151/0x250 [ 108.535232][ T5097] ptrace_notify+0x10e/0x130 [ 108.540082][ T5097] syscall_exit_to_user_mode_prepare+0x126/0x260 [ 108.546515][ T5097] syscall_exit_to_user_mode+0x11/0x2a0 [ 108.552168][ T5097] do_syscall_64+0xdc/0x260 [ 108.556758][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.562758][ T5097] irq event stamp: 1276 [ 108.566897][ T5097] hardirqs last enabled at (1275): [] _raw_spin_unlock_irqrestore+0x52/0x80 [ 108.577253][ T5097] hardirqs last disabled at (1276): [] _raw_spin_lock_irq+0x45/0x50 [ 108.586809][ T5097] softirqs last enabled at (704): [] __do_softirq+0x5da/0x922 [ 108.595934][ T5097] softirqs last disabled at (697): [] irq_exit_rcu+0xb9/0x120 [ 108.604974][ T5097] [ 108.604974][ T5097] other info that might help us debug this: [ 108.613019][ T5097] Possible unsafe locking scenario: [ 108.613019][ T5097] [ 108.620460][ T5097] CPU0 [ 108.623725][ T5097] ---- [ 108.626991][ T5097] lock(sync_timeline_list_lock); [ 108.632101][ T5097] [ 108.635539][ T5097] lock(sync_timeline_list_lock); [ 108.640821][ T5097] [ 108.640821][ T5097] *** DEADLOCK *** [ 108.640821][ T5097] [ 108.648949][ T5097] 2 locks held by syz-executor286/5097: [ 108.654489][ T5097] #0: ffff88801d29f1c8 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xde/0x12c0 [ 108.663400][ T5097] #1: ffffffff8e835f38 (sync_timeline_list_lock){?...}-{2:2}, at: sync_info_debugfs_show+0x31/0x200 [ 108.674334][ T5097] [ 108.674334][ T5097] stack backtrace: [ 108.680225][ T5097] CPU: 0 PID: 5097 Comm: syz-executor286 Not tainted 6.9.0-rc6-syzkaller-00234-g7367539ad4b0 #0 [ 108.690639][ T5097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 108.700691][ T5097] Call Trace: [ 108.703965][ T5097] [ 108.706892][ T5097] dump_stack_lvl+0x116/0x1f0 [ 108.711601][ T5097] mark_lock+0x923/0xc60 [ 108.715854][ T5097] ? __pfx_mark_lock+0x10/0x10 [ 108.720624][ T5097] ? sync_print_fence+0x52a/0x610 [ 108.725687][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.731329][ T5097] ? seq_putc+0x6c/0xf0 [ 108.735492][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.741147][ T5097] ? find_held_lock+0x2d/0x110 [ 108.745929][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.751572][ T5097] ? sync_info_debugfs_show+0xef/0x200 [ 108.757048][ T5097] ? __pfx_lock_release+0x10/0x10 [ 108.762091][ T5097] mark_held_locks+0x9f/0xe0 [ 108.766691][ T5097] lockdep_hardirqs_on_prepare+0x137/0x420 [ 108.772510][ T5097] trace_hardirqs_on+0x36/0x40 [ 108.777295][ T5097] _raw_spin_unlock_irq+0x23/0x50 [ 108.782350][ T5097] sync_info_debugfs_show+0xef/0x200 [ 108.787660][ T5097] seq_read_iter+0x4fd/0x12c0 [ 108.792366][ T5097] seq_read+0x390/0x4d0 [ 108.796546][ T5097] ? __pfx___lock_acquire+0x10/0x10 [ 108.801751][ T5097] ? __pfx_seq_read+0x10/0x10 [ 108.806451][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.812105][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.817751][ T5097] ? __pfx_seq_read+0x10/0x10 [ 108.822461][ T5097] vfs_read+0x1d7/0xb80 [ 108.826629][ T5097] ? __pfx_vfs_read+0x10/0x10 [ 108.831309][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.836951][ T5097] ? ptrace_stop.part.0+0x722/0x940 [ 108.842171][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.847814][ T5097] ? find_held_lock+0x2d/0x110 [ 108.852599][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.858243][ T5097] ? ptrace_notify+0xf1/0x130 [ 108.862945][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.868602][ T5097] ? __fget_light+0x176/0x210 [ 108.873304][ T5097] ksys_read+0x12f/0x260 [ 108.877567][ T5097] ? __pfx_ksys_read+0x10/0x10 [ 108.882334][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.887977][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.893618][ T5097] ? _raw_spin_unlock_irq+0x2e/0x50 [ 108.899020][ T5097] ? srso_alias_return_thunk+0x5/0xfbef5 [ 108.904660][ T5097] ? ptrace_notify+0xf1/0x130 [ 108.909449][ T5097] do_syscall_64+0xcf/0x260 [ 108.913959][ T5097] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.919858][ T5097] RIP: 0033:0x7f0eb1f55ce9 [ 108.924283][ T5097] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 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 [ 108.943917][ T5097] RSP: 002b:00007fff1c423678 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 108.952449][ T5097] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0eb1f55ce9 [ 108.960418][ T5097] RDX: 0000000000002020 RSI: 0000000020002240 RDI: 0000000000000003 [ 108.968390][ T5097] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 108.976366][ T5097] R10: 00000000000000a0 R11: 0000000000000246 R12: 0000000000000001 [ 108.984349][ T5097] R13: 00007fff1c423898 R14: 00007fff1c4236a0 R15: 00007fff1c423690 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5099] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5104] <... openat resumed>) = 3 [pid 5103] write(3, "1000", 4 [pid 5101] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5097] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5099] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5101] <... openat resumed>) = 3 [pid 5099] <... ioctl resumed>) = 0 [pid 5099] poll([{fd=7, events=0}], 1, 0 [pid 5104] write(3, "1000", 4 [pid 5103] <... write resumed>) = 4 [pid 5099] <... poll resumed>) = 0 (Timeout) [pid 5097] read(3, [pid 5104] <... write resumed>) = 4 [pid 5103] close(3 [pid 5099] close_range(3, 4294967295, 0 [pid 5104] close(3 [pid 5103] <... close resumed>) = 0 [pid 5101] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5106 attached [pid 5104] <... close resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5101] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5106 [pid 5104] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5103] <... openat resumed>) = 3 [pid 5101] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5106] set_robust_list(0x5555735f3660, 24 [pid 5104] <... openat resumed>) = 3 [pid 5103] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5101] <... openat resumed>) = 5 [pid 5106] <... set_robust_list resumed>) = 0 [pid 5103] <... ioctl resumed>) = 0 [pid 5101] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5104] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5101] <... ioctl resumed>) = 0 [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5101] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5101] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5101] close_range(3, 4294967295, 0 [pid 5106] <... prctl resumed>) = 0 [pid 5101] <... close_range resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5103] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5106] setpgid(0, 0 [pid 5103] <... openat resumed>) = 5 [pid 5101] <... openat resumed>) = 3 [pid 5101] read(3, [pid 5106] <... setpgid resumed>) = 0 [pid 5101] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-exec"..., 8224) = 155 [pid 5104] <... ioctl resumed>) = 0 [pid 5101] exit_group(0 [pid 5104] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5103] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5101] <... exit_group resumed>) = ? [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] +++ exited with 0 +++ [pid 5106] write(3, "1000", 4 [pid 5103] <... ioctl resumed>) = 0 [pid 5103] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5106] <... write resumed>) = 4 [pid 5103] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5106] close(3) = 0 [pid 5103] close_range(3, 4294967295, 0 [pid 5106] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5103] <... close_range resumed>) = 0 [pid 5103] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5106] <... openat resumed>) = 3 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5104] <... openat resumed>) = 5 [pid 5104] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5106] <... ioctl resumed>) = 0 [pid 5104] <... ioctl resumed>) = 0 [pid 5103] <... openat resumed>) = 3 [pid 5103] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-exec"..., 8224) = 210 [pid 5103] exit_group(0) = ? [pid 5106] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5099] <... close_range resumed>) = 0 [pid 5097] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence error@108.366978168: 2147483647 / 0\n\nsyz-executor286"..., 8224) = 148 [pid 5099] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5106] <... openat resumed>) = 5 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5107 [pid 5104] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5106] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5097] exit_group(0./strace-static-x86_64: Process 5107 attached [pid 5106] <... ioctl resumed>) = 0 [pid 5104] <... ioctl resumed>) = 0 [pid 5103] +++ exited with 0 +++ [pid 5099] <... openat resumed>) = 3 [pid 5097] <... exit_group resumed>) = ? [pid 5107] set_robust_list(0x5555735f3660, 24 [pid 5106] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5104] poll([{fd=7, events=0}], 1, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5099] read(3, [pid 5104] <... poll resumed>) = 0 (Timeout) [pid 5104] close_range(3, 4294967295, 0) = 0 [pid 5099] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5104] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5104] <... openat resumed>) = 3 [pid 5099] exit_group(0 [pid 5104] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5104] exit_group(0) = ? [ 108.992332][ T5097] ./strace-static-x86_64: Process 5108 attached [pid 5107] <... set_robust_list resumed>) = 0 [pid 5106] <... ioctl resumed>) = 0 [pid 5099] <... exit_group resumed>) = ? [pid 5097] +++ exited with 0 +++ [pid 5108] set_robust_list(0x5555735f3660, 24 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5106] poll([{fd=7, events=0}], 1, 0 [pid 5104] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5108 [pid 5099] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5106] <... poll resumed>) = 0 (Timeout) [pid 5107] <... prctl resumed>) = 0 [pid 5106] close_range(3, 4294967295, 0 [pid 5108] <... set_robust_list resumed>) = 0 [pid 5107] setpgid(0, 0 [pid 5106] <... close_range resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5107] <... setpgid resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... prctl resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5109 ./strace-static-x86_64: Process 5110 attached ./strace-static-x86_64: Process 5109 attached [pid 5108] setpgid(0, 0 [pid 5107] <... openat resumed>) = 3 [pid 5106] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5110] set_robust_list(0x5555735f3660, 24 [pid 5109] set_robust_list(0x5555735f3660, 24 [pid 5108] <... setpgid resumed>) = 0 [pid 5107] write(3, "1000", 4 [pid 5106] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5110 ./strace-static-x86_64: Process 5111 attached [pid 5109] <... set_robust_list resumed>) = 0 [pid 5106] read(3, [pid 5111] set_robust_list(0x5555735f3660, 24 [pid 5110] <... set_robust_list resumed>) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5107] <... write resumed>) = 4 [pid 5106] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5111] <... set_robust_list resumed>) = 0 [pid 5109] <... prctl resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5106] exit_group(0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5111 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5109] setpgid(0, 0 [pid 5107] close(3 [pid 5106] <... exit_group resumed>) = ? [pid 5110] <... prctl resumed>) = 0 [pid 5108] <... openat resumed>) = 3 [pid 5107] <... close resumed>) = 0 [pid 5110] setpgid(0, 0 [pid 5108] write(3, "1000", 4 [pid 5107] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5110] <... setpgid resumed>) = 0 [pid 5108] <... write resumed>) = 4 [pid 5107] <... openat resumed>) = 3 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] close(3 [pid 5107] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5111] <... prctl resumed>) = 0 [pid 5109] <... setpgid resumed>) = 0 [pid 5106] +++ exited with 0 +++ [pid 5108] <... close resumed>) = 0 [pid 5111] setpgid(0, 0) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] <... openat resumed>) = 3 [pid 5108] <... openat resumed>) = 3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5111] <... openat resumed>) = 3 [pid 5110] write(3, "1000", 4 [pid 5109] <... openat resumed>) = 3 [pid 5108] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5107] <... ioctl resumed>) = 0 [pid 5111] write(3, "1000", 4 [pid 5110] <... write resumed>) = 4 [pid 5107] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5110] close(3 [pid 5111] <... write resumed>) = 4 [pid 5109] write(3, "1000", 4 [pid 5111] close(3 [pid 5109] <... write resumed>) = 4 [pid 5111] <... close resumed>) = 0 [pid 5109] close(3 [pid 5111] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5109] <... close resumed>) = 0 [pid 5111] <... openat resumed>) = 3 [pid 5109] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5111] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5109] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5112 attached [pid 5111] <... ioctl resumed>) = 0 [pid 5110] <... close resumed>) = 0 [pid 5107] <... openat resumed>) = 5 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5112 [pid 5112] set_robust_list(0x5555735f3660, 24 [pid 5111] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5110] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5109] <... ioctl resumed>) = 0 [pid 5107] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5111] <... openat resumed>) = 5 [pid 5108] <... ioctl resumed>) = 0 [pid 5110] <... openat resumed>) = 3 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5111] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5110] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5109] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5112] <... prctl resumed>) = 0 [pid 5111] <... ioctl resumed>) = 0 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... openat resumed>) = 5 [pid 5108] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5107] <... ioctl resumed>) = 0 [pid 5110] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5107] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5112] setpgid(0, 0 [pid 5111] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5109] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5112] <... setpgid resumed>) = 0 [pid 5111] <... ioctl resumed>) = 0 [pid 5110] <... openat resumed>) = 5 [pid 5109] <... ioctl resumed>) = 0 [pid 5108] <... openat resumed>) = 5 [pid 5107] <... ioctl resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5111] poll([{fd=7, events=0}], 1, 0 [pid 5110] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5109] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5111] <... poll resumed>) = 0 (Timeout) [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... ioctl resumed>) = 0 [pid 5108] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5107] poll([{fd=7, events=0}], 1, 0 [pid 5112] <... openat resumed>) = 3 [pid 5111] close_range(3, 4294967295, 0 [pid 5110] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5109] poll([{fd=7, events=0}], 1, 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] <... poll resumed>) = 0 (Timeout) [pid 5111] <... close_range resumed>) = 0 [pid 5110] <... ioctl resumed>) = 0 [pid 5109] <... poll resumed>) = 0 (Timeout) [pid 5108] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5107] close_range(3, 4294967295, 0 [pid 5112] write(3, "1000", 4 [pid 5110] poll([{fd=7, events=0}], 1, 0 [pid 5109] close_range(3, 4294967295, 0 [pid 5111] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5111] read(3, [pid 5112] <... write resumed>) = 4 [pid 5110] <... poll resumed>) = 0 (Timeout) [pid 5109] <... close_range resumed>) = 0 [pid 5108] <... ioctl resumed>) = 0 [pid 5107] <... close_range resumed>) = 0 [pid 5112] close(3 [pid 5110] close_range(3, 4294967295, 0 [pid 5109] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5107] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5111] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5108] poll([{fd=7, events=0}], 1, 0 [pid 5111] exit_group(0 [pid 5109] <... openat resumed>) = 3 [pid 5108] <... poll resumed>) = 0 (Timeout) [pid 5111] <... exit_group resumed>) = ? [pid 5108] close_range(3, 4294967295, 0 [pid 5112] <... close resumed>) = 0 [pid 5110] <... close_range resumed>) = 0 [pid 5109] read(3, [pid 5107] <... openat resumed>) = 3 [pid 5112] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5110] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5109] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5108] <... close_range resumed>) = 0 [pid 5107] read(3, [pid 5111] +++ exited with 0 +++ [pid 5108] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5109] exit_group(0 [pid 5108] <... openat resumed>) = 3 [pid 5107] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5110] <... openat resumed>) = 3 [pid 5109] <... exit_group resumed>) = ? [pid 5108] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5107] exit_group(0 [pid 5108] exit_group(0) = ? [pid 5112] <... openat resumed>) = 3 [pid 5110] read(3, [pid 5109] +++ exited with 0 +++ [pid 5107] <... exit_group resumed>) = ? [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5112] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5110] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5108] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5107] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5113 attached [pid 5112] <... ioctl resumed>) = 0 [pid 5110] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5114 attached [pid 5113] set_robust_list(0x5555735f3660, 24 [pid 5112] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5110] <... exit_group resumed>) = ? [pid 5114] set_robust_list(0x5555735f3660, 24 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] <... openat resumed>) = 5 [pid 5110] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5114 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5113 ./strace-static-x86_64: Process 5115 attached [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5116 ./strace-static-x86_64: Process 5116 attached [pid 5115] set_robust_list(0x5555735f3660, 24 [pid 5114] <... set_robust_list resumed>) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5115 [pid 5115] <... set_robust_list resumed>) = 0 [pid 5116] set_robust_list(0x5555735f3660, 24 [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... set_robust_list resumed>) = 0 [pid 5112] <... ioctl resumed>) = 0 [pid 5115] <... prctl resumed>) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] <... prctl resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5115] setpgid(0, 0 [pid 5116] <... prctl resumed>) = 0 [pid 5114] <... prctl resumed>) = 0 [pid 5113] setpgid(0, 0 [pid 5112] <... ioctl resumed>) = 0 [pid 5112] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5112] close_range(3, 4294967295, 0 [pid 5116] setpgid(0, 0 [pid 5112] <... close_range resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5115] <... setpgid resumed>) = 0 [pid 5112] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... openat resumed>) = 3 [pid 5112] read(3, [pid 5114] <... setpgid resumed>) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] exit_group(0) = ? [pid 5115] <... openat resumed>) = 3 [pid 5113] <... openat resumed>) = 3 [pid 5112] +++ exited with 0 +++ [pid 5114] <... openat resumed>) = 3 [pid 5116] <... setpgid resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5115] write(3, "1000", 4 [pid 5116] <... openat resumed>) = 3 [pid 5114] write(3, "1000", 4 [pid 5113] write(3, "1000", 4./strace-static-x86_64: Process 5117 attached [pid 5115] <... write resumed>) = 4 [pid 5114] <... write resumed>) = 4 [pid 5113] <... write resumed>) = 4 [pid 5114] close(3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5118 [pid 5115] close(3 [pid 5114] <... close resumed>) = 0 [pid 5113] close(3 [pid 5115] <... close resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5113] <... close resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5118 attached [pid 5113] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5118] set_robust_list(0x5555735f3660, 24) = 0 [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5117 [pid 5114] <... openat resumed>) = 3 [pid 5118] <... prctl resumed>) = 0 [pid 5118] setpgid(0, 0) = 0 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] set_robust_list(0x5555735f3660, 24 [pid 5116] write(3, "1000", 4 [pid 5113] <... openat resumed>) = 3 [pid 5117] <... set_robust_list resumed>) = 0 [pid 5115] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5114] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5116] <... write resumed>) = 4 [pid 5118] <... openat resumed>) = 3 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5115] <... ioctl resumed>) = 0 [pid 5116] close(3 [pid 5114] <... ioctl resumed>) = 0 [pid 5113] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5118] write(3, "1000", 4) = 4 [pid 5118] close(3 [pid 5116] <... close resumed>) = 0 [pid 5117] <... prctl resumed>) = 0 [pid 5118] <... close resumed>) = 0 [pid 5117] setpgid(0, 0 [pid 5118] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5116] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5118] <... openat resumed>) = 3 [pid 5117] <... setpgid resumed>) = 0 [pid 5115] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5114] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5113] <... ioctl resumed>) = 0 [pid 5118] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5114] <... openat resumed>) = 5 [pid 5118] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5115] <... openat resumed>) = 5 [pid 5118] <... openat resumed>) = 5 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5118] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5113] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5118] <... ioctl resumed>) = 0 [pid 5113] <... openat resumed>) = 5 [pid 5115] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5114] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5116] <... openat resumed>) = 3 [pid 5118] poll([{fd=7, events=0}], 1, 0 [pid 5115] <... ioctl resumed>) = 0 [pid 5118] <... poll resumed>) = 0 (Timeout) [pid 5114] <... ioctl resumed>) = 0 [pid 5118] close_range(3, 4294967295, 0 [pid 5116] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5118] <... close_range resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5118] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5116] <... ioctl resumed>) = 0 [pid 5114] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5118] read(3, [pid 5113] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5118] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 356 [pid 5118] exit_group(0 [pid 5115] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5114] <... ioctl resumed>) = 0 [pid 5113] <... ioctl resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5117] write(3, "1000", 4 [pid 5118] <... exit_group resumed>) = ? [pid 5117] <... write resumed>) = 4 [pid 5117] close(3 [pid 5115] <... ioctl resumed>) = 0 [pid 5116] <... openat resumed>) = 5 [pid 5114] poll([{fd=7, events=0}], 1, 0 [pid 5113] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5117] <... close resumed>) = 0 [pid 5115] poll([{fd=7, events=0}], 1, 0 [pid 5114] <... poll resumed>) = 0 (Timeout) [pid 5118] +++ exited with 0 +++ [pid 5117] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5115] <... poll resumed>) = 0 (Timeout) [pid 5116] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5114] close_range(3, 4294967295, 0 [pid 5113] <... ioctl resumed>) = 0 [pid 5115] close_range(3, 4294967295, 0 [pid 5116] <... ioctl resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5116] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5116] poll([{fd=7, events=0}], 1, 0 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5117] <... openat resumed>) = 3 [pid 5115] <... close_range resumed>) = 0 [pid 5116] <... poll resumed>) = 0 (Timeout) [pid 5113] poll([{fd=7, events=0}], 1, 0 [pid 5116] close_range(3, 4294967295, 0 [pid 5117] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5115] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5114] <... close_range resumed>) = 0 [pid 5113] <... poll resumed>) = 0 (Timeout) [pid 5113] close_range(3, 4294967295, 0 [pid 5116] <... close_range resumed>) = 0 [pid 5116] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5114] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5117] <... ioctl resumed>) = 0 [pid 5116] <... openat resumed>) = 3 [pid 5115] <... openat resumed>) = 3 [pid 5116] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence error@109.161660874: 128 / 0\n\nsy"..., 8224) = 172 [pid 5116] exit_group(0 [pid 5113] <... close_range resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5117] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5115] read(3, [pid 5116] <... exit_group resumed>) = ? [pid 5114] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5119 attached [pid 5117] <... openat resumed>) = 5 [pid 5115] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5114] read(3, [pid 5113] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5116] +++ exited with 0 +++ [pid 5119] set_robust_list(0x5555735f3660, 24 [pid 5117] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5115] exit_group(0 [pid 5114] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5119] <... set_robust_list resumed>) = 0 [pid 5114] exit_group(0 [pid 5117] <... ioctl resumed>) = 0 [pid 5113] <... openat resumed>) = 3 [pid 5115] <... exit_group resumed>) = ? [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5119 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5114] <... exit_group resumed>) = ? [pid 5113] read(3, [pid 5117] <... ioctl resumed>) = 0 [pid 5113] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5119] <... prctl resumed>) = 0 [pid 5119] setpgid(0, 0) = 0 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5119] write(3, "1000", 4 [pid 5117] poll([{fd=7, events=0}], 1, 0 [pid 5115] +++ exited with 0 +++ [pid 5114] +++ exited with 0 +++ [pid 5113] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] <... write resumed>) = 4 [pid 5117] <... poll resumed>) = 0 (Timeout) [pid 5113] <... exit_group resumed>) = ? [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5120 attached [pid 5119] close(3 [pid 5117] close_range(3, 4294967295, 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5120] set_robust_list(0x5555735f3660, 24 [pid 5119] <... close resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5120 [pid 5120] <... set_robust_list resumed>) = 0 [pid 5119] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5113] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5119] <... openat resumed>) = 3 [pid 5117] <... close_range resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5120] <... prctl resumed>) = 0 [pid 5119] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5117] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5121 attached [pid 5120] setpgid(0, 0 [pid 5117] <... openat resumed>) = 3 [pid 5119] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5119] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5121 ./strace-static-x86_64: Process 5122 attached [pid 5121] set_robust_list(0x5555735f3660, 24 [pid 5120] <... setpgid resumed>) = 0 [pid 5119] <... openat resumed>) = 5 [pid 5117] read(3, [pid 5122] set_robust_list(0x5555735f3660, 24 [pid 5121] <... set_robust_list resumed>) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5119] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5117] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5122 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5120] <... openat resumed>) = 3 [pid 5119] <... ioctl resumed>) = 0 [pid 5117] exit_group(0 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... prctl resumed>) = 0 [pid 5120] write(3, "1000", 4 [pid 5119] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5117] <... exit_group resumed>) = ? [pid 5122] <... prctl resumed>) = 0 [pid 5121] setpgid(0, 0 [pid 5120] <... write resumed>) = 4 [pid 5119] <... ioctl resumed>) = 0 [pid 5122] setpgid(0, 0 [pid 5121] <... setpgid resumed>) = 0 [pid 5120] close(3 [pid 5119] poll([{fd=7, events=0}], 1, 0 [pid 5122] <... setpgid resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... close resumed>) = 0 [pid 5119] <... poll resumed>) = 0 (Timeout) [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] <... openat resumed>) = 3 [pid 5120] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5119] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5123 attached [pid 5122] <... openat resumed>) = 3 [pid 5121] write(3, "1000", 4 [pid 5120] <... openat resumed>) = 3 [pid 5119] <... close_range resumed>) = 0 [pid 5123] set_robust_list(0x5555735f3660, 24 [pid 5122] write(3, "1000", 4 [pid 5121] <... write resumed>) = 4 [pid 5120] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5119] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5122] <... write resumed>) = 4 [pid 5121] close(3 [pid 5120] <... ioctl resumed>) = 0 [pid 5119] <... openat resumed>) = 3 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5123 [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] close(3 [pid 5121] <... close resumed>) = 0 [pid 5120] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5119] read(3, [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5122] <... close resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5120] <... openat resumed>) = 5 [pid 5119] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5123] setpgid(0, 0 [pid 5122] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5121] <... openat resumed>) = 3 [pid 5120] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5119] exit_group(0 [pid 5117] +++ exited with 0 +++ [pid 5123] <... setpgid resumed>) = 0 [pid 5122] <... openat resumed>) = 3 [pid 5121] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5120] <... ioctl resumed>) = 0 [pid 5119] <... exit_group resumed>) = ? [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5121] <... ioctl resumed>) = 0 [pid 5120] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5119] +++ exited with 0 +++ [pid 5123] <... openat resumed>) = 3 [pid 5122] <... ioctl resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5120] <... ioctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5122] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5121] <... openat resumed>) = 5 [pid 5120] poll([{fd=7, events=0}], 1, 0 [pid 5122] <... openat resumed>) = 5 [pid 5121] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5120] <... poll resumed>) = 0 (Timeout) [pid 5122] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5121] <... ioctl resumed>) = 0 [pid 5120] close_range(3, 4294967295, 0 [pid 5122] <... ioctl resumed>) = 0 [pid 5121] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5120] <... close_range resumed>) = 0 [pid 5122] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5121] <... ioctl resumed>) = 0 [pid 5120] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5122] <... ioctl resumed>) = 0 [pid 5121] poll([{fd=7, events=0}], 1, 0 [pid 5120] <... openat resumed>) = 3 [pid 5122] poll([{fd=7, events=0}], 1, 0 [pid 5121] <... poll resumed>) = 0 (Timeout) [pid 5120] read(3, [pid 5122] <... poll resumed>) = 0 (Timeout) [pid 5121] close_range(3, 4294967295, 0 [pid 5120] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5123] write(3, "1000", 4 [pid 5122] close_range(3, 4294967295, 0 [pid 5121] <... close_range resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] exit_group(0./strace-static-x86_64: Process 5124 attached [pid 5123] <... write resumed>) = 4 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] set_robust_list(0x5555735f3660, 24 [pid 5123] close(3 [pid 5122] <... close_range resumed>) = 0 [pid 5121] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5120] <... exit_group resumed>) = ? [pid 5123] <... close resumed>) = 0 ./strace-static-x86_64: Process 5125 attached [pid 5124] <... set_robust_list resumed>) = 0 [pid 5123] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5122] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5121] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5124 [pid 5125] set_robust_list(0x5555735f3660, 24) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5125 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... openat resumed>) = 3 [pid 5125] <... prctl resumed>) = 0 [pid 5125] setpgid(0, 0 [pid 5123] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5125] <... setpgid resumed>) = 0 [pid 5123] <... ioctl resumed>) = 0 [pid 5120] +++ exited with 0 +++ [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5122] <... openat resumed>) = 3 [pid 5121] read(3, [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5124] <... prctl resumed>) = 0 [pid 5123] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5122] read(3, [pid 5121] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5125] <... openat resumed>) = 3 [pid 5123] <... openat resumed>) = 5 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5125] write(3, "1000", 4 [pid 5124] setpgid(0, 0 [pid 5123] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5122] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5121] exit_group(0 [pid 5125] <... write resumed>) = 4 [pid 5124] <... setpgid resumed>) = 0 [pid 5123] <... ioctl resumed>) = 0 [pid 5122] exit_group(0 [pid 5121] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5126 attached [pid 5125] close(3 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5122] <... exit_group resumed>) = ? [pid 5126] set_robust_list(0x5555735f3660, 24 [pid 5125] <... close resumed>) = 0 [pid 5124] <... openat resumed>) = 3 [pid 5125] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5126 [pid 5126] <... set_robust_list resumed>) = 0 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5125] <... openat resumed>) = 3 [pid 5124] write(3, "1000", 4 [pid 5121] +++ exited with 0 +++ [pid 5126] <... prctl resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5126] setpgid(0, 0 [pid 5124] <... write resumed>) = 4 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5126] <... setpgid resumed>) = 0 [pid 5125] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5124] close(3 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5123] <... ioctl resumed>) = 0 [pid 5125] <... ioctl resumed>) = 0 [pid 5124] <... close resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] poll([{fd=7, events=0}], 1, 0 [pid 5122] +++ exited with 0 +++ ./strace-static-x86_64: Process 5127 attached [pid 5126] <... openat resumed>) = 3 [pid 5125] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5124] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5123] <... poll resumed>) = 0 (Timeout) [pid 5126] write(3, "1000", 4 [pid 5125] <... openat resumed>) = 5 [pid 5127] set_robust_list(0x5555735f3660, 24 [pid 5126] <... write resumed>) = 4 [pid 5125] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5124] <... openat resumed>) = 3 [pid 5123] close_range(3, 4294967295, 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5127 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] close(3 [pid 5125] <... ioctl resumed>) = 0 [pid 5124] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5125] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... close_range resumed>) = 0 [pid 5123] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5127] <... prctl resumed>) = 0 [pid 5126] <... close resumed>) = 0 [pid 5125] <... ioctl resumed>) = 0 [pid 5124] <... ioctl resumed>) = 0 [pid 5123] read(3, [pid 5127] setpgid(0, 0) = 0 [pid 5126] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] <... openat resumed>) = 3 [pid 5125] poll([{fd=7, events=0}], 1, 0./strace-static-x86_64: Process 5128 attached ) = 0 (Timeout) [pid 5124] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5123] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5128] set_robust_list(0x5555735f3660, 24 [pid 5126] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5128 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5125] close_range(3, 4294967295, 0 [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] <... openat resumed>) = 3 [pid 5126] <... ioctl resumed>) = 0 [pid 5124] <... openat resumed>) = 5 [pid 5123] exit_group(0 [pid 5128] <... prctl resumed>) = 0 [pid 5127] write(3, "1000", 4 [pid 5125] <... close_range resumed>) = 0 [pid 5125] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5128] setpgid(0, 0 [pid 5127] <... write resumed>) = 4 [pid 5126] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5125] <... openat resumed>) = 3 [pid 5124] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5123] <... exit_group resumed>) = ? [pid 5128] <... setpgid resumed>) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5127] close(3 [pid 5126] <... openat resumed>) = 5 [pid 5125] read(3, [pid 5124] <... ioctl resumed>) = 0 [pid 5128] <... openat resumed>) = 3 [pid 5127] <... close resumed>) = 0 [pid 5125] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5128] write(3, "1000", 4 [pid 5127] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5126] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5124] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5123] +++ exited with 0 +++ [pid 5125] exit_group(0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5125] <... exit_group resumed>) = ? [pid 5128] <... write resumed>) = 4 [pid 5127] <... openat resumed>) = 3 [pid 5126] <... ioctl resumed>) = 0 [pid 5125] +++ exited with 0 +++ [pid 5124] <... ioctl resumed>) = 0 [pid 5128] close(3 [pid 5127] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5126] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5124] poll([{fd=7, events=0}], 1, 0 [pid 5128] <... close resumed>) = 0 [pid 5127] <... ioctl resumed>) = 0 [pid 5126] <... ioctl resumed>) = 0 [pid 5124] <... poll resumed>) = 0 (Timeout) [pid 5128] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5127] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5126] poll([{fd=7, events=0}], 1, 0 [pid 5124] close_range(3, 4294967295, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5105] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5129 attached [pid 5128] <... openat resumed>) = 3 [pid 5127] <... openat resumed>) = 5 [pid 5126] <... poll resumed>) = 0 (Timeout) [pid 5124] <... close_range resumed>) = 0 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5129 [pid 5129] set_robust_list(0x5555735f3660, 24 [pid 5128] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5127] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5126] close_range(3, 4294967295, 0 [pid 5124] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] <... ioctl resumed>) = 0 [pid 5127] <... ioctl resumed>) = 0 [pid 5126] <... close_range resumed>) = 0 [pid 5124] <... openat resumed>) = 3 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5127] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5129] <... prctl resumed>) = 0 [pid 5126] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5124] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5124] exit_group(0 [pid 5128] <... openat resumed>) = 5 [pid 5124] <... exit_group resumed>) = ? [pid 5129] setpgid(0, 0 [pid 5127] <... ioctl resumed>) = 0 [pid 5126] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5130 attached [pid 5129] <... setpgid resumed>) = 0 [pid 5128] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5127] poll([{fd=7, events=0}], 1, 0 [pid 5126] read(3, [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5130 [pid 5130] set_robust_list(0x5555735f3660, 24 [pid 5124] +++ exited with 0 +++ [pid 5130] <... set_robust_list resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] <... ioctl resumed>) = 0 [pid 5127] <... poll resumed>) = 0 (Timeout) [pid 5126] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... openat resumed>) = 3 [pid 5128] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5127] close_range(3, 4294967295, 0 [pid 5130] setpgid(0, 0 [pid 5126] exit_group(0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5130] <... setpgid resumed>) = 0 [pid 5129] write(3, "1000", 4 [pid 5128] <... ioctl resumed>) = 0 [pid 5127] <... close_range resumed>) = 0 [pid 5126] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5131 attached [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] <... write resumed>) = 4 [pid 5128] poll([{fd=7, events=0}], 1, 0 [pid 5127] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5131] set_robust_list(0x5555735f3660, 24) = 0 [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5130] <... openat resumed>) = 3 [pid 5129] close(3 [pid 5128] <... poll resumed>) = 0 (Timeout) [pid 5127] <... openat resumed>) = 3 [pid 5126] +++ exited with 0 +++ [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5131 [pid 5131] setpgid(0, 0 [pid 5130] write(3, "1000", 4 [pid 5129] <... close resumed>) = 0 [pid 5128] close_range(3, 4294967295, 0 [pid 5127] read(3, [pid 5131] <... setpgid resumed>) = 0 [pid 5130] <... write resumed>) = 4 [pid 5129] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5127] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] close(3 [pid 5128] <... close_range resumed>) = 0 [pid 5127] exit_group(0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] <... close resumed>) = 0 [pid 5130] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5129] <... openat resumed>) = 3 [pid 5128] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5127] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5131] <... openat resumed>) = 3 [pid 5131] write(3, "1000", 4) = 4 [pid 5131] close(3) = 0 [pid 5131] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5127] +++ exited with 0 +++ [pid 5131] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5130] <... openat resumed>) = 3 [pid 5129] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5131] <... ioctl resumed>) = 0 [pid 5128] <... openat resumed>) = 3 [pid 5131] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5131] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5129] <... ioctl resumed>) = 0 [pid 5130] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5128] read(3, [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5129] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5131] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5130] <... ioctl resumed>) = 0 [pid 5129] <... openat resumed>) = 5 [pid 5131] <... ioctl resumed>) = 0 [pid 5131] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5131] close_range(3, 4294967295, 0 [pid 5129] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5133 attached ./strace-static-x86_64: Process 5132 attached [pid 5130] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5129] <... ioctl resumed>) = 0 [pid 5128] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 261 [pid 5133] set_robust_list(0x5555735f3660, 24 [pid 5132] set_robust_list(0x5555735f3660, 24 [pid 5131] <... close_range resumed>) = 0 [pid 5131] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... set_robust_list resumed>) = 0 [pid 5130] <... openat resumed>) = 5 [pid 5129] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5128] exit_group(0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5133 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5132 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... exit_group resumed>) = ? [pid 5129] <... ioctl resumed>) = 0 [pid 5131] <... openat resumed>) = 3 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5130] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5129] poll([{fd=7, events=0}], 1, 0 [pid 5132] <... prctl resumed>) = 0 [pid 5133] <... prctl resumed>) = 0 [pid 5129] <... poll resumed>) = 0 (Timeout) [pid 5132] setpgid(0, 0 [pid 5129] close_range(3, 4294967295, 0 [pid 5133] setpgid(0, 0 [pid 5132] <... setpgid resumed>) = 0 [pid 5131] read(3, [pid 5130] <... ioctl resumed>) = 0 [pid 5129] <... close_range resumed>) = 0 [pid 5130] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5133] <... setpgid resumed>) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5130] poll([{fd=7, events=0}], 1, 0 [pid 5131] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5130] <... poll resumed>) = 0 (Timeout) [pid 5130] close_range(3, 4294967295, 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5131] exit_group(0 [pid 5130] <... close_range resumed>) = 0 [pid 5133] <... openat resumed>) = 3 [pid 5132] <... openat resumed>) = 3 [pid 5131] <... exit_group resumed>) = ? [pid 5130] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5129] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5130] <... openat resumed>) = 3 [pid 5128] +++ exited with 0 +++ [pid 5130] read(3, [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5129] <... openat resumed>) = 3 [pid 5130] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5130] exit_group(0) = ? [pid 5129] read(3, [pid 5096] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5129] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5133] write(3, "1000", 4 [pid 5132] write(3, "1000", 4 [pid 5133] <... write resumed>) = 4 [pid 5132] <... write resumed>) = 4 [pid 5131] +++ exited with 0 +++ [pid 5130] +++ exited with 0 +++ [pid 5129] exit_group(0 [pid 5133] close(3 [pid 5132] close(3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5129] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] <... close resumed>) = 0 [pid 5132] <... close resumed>) = 0 [pid 5133] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5132] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5133] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5133] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5132] <... openat resumed>) = 3 [pid 5129] +++ exited with 0 +++ [pid 5133] <... ioctl resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5134 [pid 5133] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5134 attached ) = 5 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5132] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5134] set_robust_list(0x5555735f3660, 24 [pid 5133] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5132] <... ioctl resumed>) = 0 [pid 5134] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5136 attached ./strace-static-x86_64: Process 5135 attached [pid 5133] <... ioctl resumed>) = 0 [pid 5132] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] <... openat resumed>) = 5 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5134] setpgid(0, 0) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5136] set_robust_list(0x5555735f3660, 24 [pid 5135] set_robust_list(0x5555735f3660, 24 [pid 5134] write(3, "1000", 4 [pid 5133] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5132] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5135 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5136 ./strace-static-x86_64: Process 5137 attached [pid 5136] <... set_robust_list resumed>) = 0 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] <... write resumed>) = 4 [pid 5134] close(3 [pid 5132] <... ioctl resumed>) = 0 [pid 5134] <... close resumed>) = 0 [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5134] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5137] set_robust_list(0x5555735f3660, 24 [pid 5135] <... prctl resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5137 [pid 5135] setpgid(0, 0 [pid 5134] <... openat resumed>) = 3 [pid 5132] <... ioctl resumed>) = 0 [pid 5136] <... prctl resumed>) = 0 [pid 5137] <... set_robust_list resumed>) = 0 [pid 5133] <... ioctl resumed>) = 0 [pid 5134] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5136] setpgid(0, 0 [pid 5135] <... setpgid resumed>) = 0 [pid 5134] <... ioctl resumed>) = 0 [pid 5133] poll([{fd=7, events=0}], 1, 0 [pid 5132] poll([{fd=7, events=0}], 1, 0 [pid 5134] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5136] <... setpgid resumed>) = 0 [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... openat resumed>) = 5 [pid 5133] <... poll resumed>) = 0 (Timeout) [pid 5132] <... poll resumed>) = 0 (Timeout) [pid 5137] setpgid(0, 0 [pid 5134] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5137] <... setpgid resumed>) = 0 [pid 5134] <... ioctl resumed>) = 0 [pid 5134] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5134] <... ioctl resumed>) = 0 [pid 5133] close_range(3, 4294967295, 0 [pid 5132] close_range(3, 4294967295, 0 [pid 5134] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5134] close_range(3, 4294967295, 0) = 0 [pid 5132] <... close_range resumed>) = 0 [pid 5134] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5134] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5134] exit_group(0 [pid 5133] <... close_range resumed>) = 0 [pid 5134] <... exit_group resumed>) = ? [pid 5137] <... openat resumed>) = 3 [pid 5136] <... openat resumed>) = 3 [pid 5135] <... openat resumed>) = 3 [pid 5133] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5132] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5134] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] write(3, "1000", 4) = 4 [pid 5136] write(3, "1000", 4 [pid 5135] write(3, "1000", 4 [pid 5133] <... openat resumed>) = 3 [pid 5132] <... openat resumed>) = 3 [pid 5135] <... write resumed>) = 4 [pid 5135] close(3) = 0 [pid 5133] read(3, [pid 5137] close(3 [pid 5136] <... write resumed>) = 4 [pid 5135] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5133] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5132] read(3, [pid 5137] <... close resumed>) = 0 [pid 5136] close(3 [pid 5133] exit_group(0 [pid 5132] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5135] <... openat resumed>) = 3 [pid 5133] <... exit_group resumed>) = ? [pid 5137] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5136] <... close resumed>) = 0 [pid 5132] exit_group(0 [pid 5137] <... openat resumed>) = 3 [pid 5136] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5132] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5136] <... openat resumed>) = 3 [pid 5135] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5133] +++ exited with 0 +++ [pid 5132] +++ exited with 0 +++ [pid 5137] <... ioctl resumed>) = 0 [pid 5136] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5135] <... ioctl resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5137] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5136] <... ioctl resumed>) = 0 [pid 5100] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5138 attached [pid 5135] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5137] <... openat resumed>) = 5 [pid 5136] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5138 [pid 5138] set_robust_list(0x5555735f3660, 24 [pid 5137] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5136] <... openat resumed>) = 5 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] <... ioctl resumed>) = 0 [pid 5136] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5137] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5136] <... ioctl resumed>) = 0 [pid 5137] <... ioctl resumed>) = 0 [pid 5136] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5137] poll([{fd=7, events=0}], 1, 0 [pid 5136] <... ioctl resumed>) = 0 [pid 5135] <... openat resumed>) = 5 [pid 5137] <... poll resumed>) = 0 (Timeout) [pid 5136] poll([{fd=7, events=0}], 1, 0 [pid 5138] <... set_robust_list resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5135] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5137] close_range(3, 4294967295, 0 [pid 5136] <... poll resumed>) = 0 (Timeout) [pid 5137] <... close_range resumed>) = 0 [pid 5136] close_range(3, 4294967295, 0 [pid 5137] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5136] <... close_range resumed>) = 0 [pid 5137] <... openat resumed>) = 3 [pid 5136] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5137] read(3, [pid 5136] <... openat resumed>) = 3 [pid 5137] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5136] read(3, [pid 5137] exit_group(0 [pid 5136] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5137] <... exit_group resumed>) = ? [pid 5136] exit_group(0) = ? [pid 5135] <... ioctl resumed>) = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5140 attached ./strace-static-x86_64: Process 5139 attached ) = 0 [pid 5135] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5137] +++ exited with 0 +++ [pid 5140] set_robust_list(0x5555735f3660, 24 [pid 5139] set_robust_list(0x5555735f3660, 24 [pid 5138] setpgid(0, 0 [pid 5135] <... ioctl resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5140 [pid 5140] <... set_robust_list resumed>) = 0 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5138] <... setpgid resumed>) = 0 [pid 5136] +++ exited with 0 +++ [pid 5135] poll([{fd=7, events=0}], 1, 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5139 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] <... poll resumed>) = 0 (Timeout) [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5140] <... prctl resumed>) = 0 [pid 5139] <... prctl resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5140] setpgid(0, 0 [pid 5139] setpgid(0, 0 [pid 5138] <... openat resumed>) = 3 [pid 5135] close_range(3, 4294967295, 0 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5140] <... setpgid resumed>) = 0 [pid 5139] <... setpgid resumed>) = 0 [pid 5138] write(3, "1000", 4 [pid 5135] <... close_range resumed>) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5138] <... write resumed>) = 4 [pid 5135] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5140] <... openat resumed>) = 3 [pid 5139] <... openat resumed>) = 3 [pid 5138] close(3 [pid 5135] <... openat resumed>) = 3 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5139] write(3, "1000", 4 [pid 5138] <... close resumed>) = 0 [pid 5140] write(3, "1000", 4 [pid 5135] read(3, [pid 5140] <... write resumed>) = 4 [pid 5139] <... write resumed>) = 4 [pid 5138] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5135] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5140] close(3 [pid 5139] close(3 [pid 5138] <... openat resumed>) = 3 [pid 5135] exit_group(0 [pid 5140] <... close resumed>) = 0 [pid 5139] <... close resumed>) = 0 [pid 5138] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5135] <... exit_group resumed>) = ? [pid 5140] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5139] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5138] <... ioctl resumed>) = 0 [pid 5135] +++ exited with 0 +++ [pid 5138] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5140] <... openat resumed>) = 3 [pid 5139] <... openat resumed>) = 3 [pid 5138] <... openat resumed>) = 5 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5138] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5141 ./strace-static-x86_64: Process 5141 attached ./strace-static-x86_64: Process 5142 attached [pid 5141] set_robust_list(0x5555735f3660, 24 [pid 5139] <... ioctl resumed>) = 0 [pid 5138] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5142] set_robust_list(0x5555735f3660, 24 [pid 5141] <... set_robust_list resumed>) = 0 [pid 5140] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5139] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5138] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5142 [pid 5142] <... set_robust_list resumed>) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5140] <... ioctl resumed>) = 0 [pid 5138] poll([{fd=7, events=0}], 1, 0 [pid 5141] setpgid(0, 0 [pid 5140] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5139] <... openat resumed>) = 5 [pid 5138] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5143 attached [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5141] <... setpgid resumed>) = 0 [pid 5140] <... openat resumed>) = 5 [pid 5139] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5138] close_range(3, 4294967295, 0 [pid 5143] set_robust_list(0x5555735f3660, 24 [pid 5142] <... prctl resumed>) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] setpgid(0, 0 [pid 5139] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5143 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] <... setpgid resumed>) = 0 [pid 5141] <... openat resumed>) = 3 [pid 5140] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5139] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5143] <... prctl resumed>) = 0 [pid 5140] <... ioctl resumed>) = 0 [pid 5139] <... ioctl resumed>) = 0 [pid 5138] <... close_range resumed>) = 0 [pid 5143] setpgid(0, 0 [pid 5138] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5143] <... setpgid resumed>) = 0 [pid 5141] write(3, "1000", 4 [pid 5140] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5139] poll([{fd=7, events=0}], 1, 0 [pid 5138] <... openat resumed>) = 3 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5141] <... write resumed>) = 4 [pid 5143] <... openat resumed>) = 3 [pid 5142] <... openat resumed>) = 3 [pid 5141] close(3 [pid 5140] <... ioctl resumed>) = 0 [pid 5139] <... poll resumed>) = 0 (Timeout) [pid 5138] read(3, [pid 5139] close_range(3, 4294967295, 0 [pid 5142] write(3, "1000", 4 [pid 5141] <... close resumed>) = 0 [pid 5139] <... close_range resumed>) = 0 [pid 5138] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5143] write(3, "1000", 4 [pid 5141] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5140] poll([{fd=7, events=0}], 1, 0 [pid 5142] <... write resumed>) = 4 [pid 5141] <... openat resumed>) = 3 [pid 5140] <... poll resumed>) = 0 (Timeout) [pid 5139] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5142] close(3 [pid 5140] close_range(3, 4294967295, 0 [pid 5139] <... openat resumed>) = 3 [pid 5142] <... close resumed>) = 0 [pid 5139] read(3, [pid 5143] <... write resumed>) = 4 [pid 5141] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5140] <... close_range resumed>) = 0 [pid 5139] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 84 [pid 5138] exit_group(0 [pid 5143] close(3 [pid 5142] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5141] <... ioctl resumed>) = 0 [pid 5140] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5138] <... exit_group resumed>) = ? [pid 5139] exit_group(0 [pid 5143] <... close resumed>) = 0 [pid 5142] <... openat resumed>) = 3 [pid 5141] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5140] <... openat resumed>) = 3 [pid 5139] <... exit_group resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5143] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5142] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5143] <... openat resumed>) = 3 [pid 5141] <... openat resumed>) = 5 [pid 5140] read(3, [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5143] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5140] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 155 [pid 5143] <... ioctl resumed>) = 0 [pid 5142] <... ioctl resumed>) = 0 [pid 5141] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5140] exit_group(0 [pid 5139] +++ exited with 0 +++ [pid 5142] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5141] <... ioctl resumed>) = 0 [pid 5142] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5143] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5140] <... exit_group resumed>) = ? [pid 5143] <... openat resumed>) = 5 [pid 5142] <... ioctl resumed>) = 0 [pid 5141] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5142] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5141] <... ioctl resumed>) = 0 [pid 5140] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5143] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5142] poll([{fd=7, events=0}], 1, 0 [pid 5141] poll([{fd=7, events=0}], 1, 0 [pid 5143] <... ioctl resumed>) = 0 [pid 5142] <... poll resumed>) = 0 (Timeout) [pid 5141] <... poll resumed>) = 0 (Timeout) [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5143] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5142] close_range(3, 4294967295, 0 [pid 5141] close_range(3, 4294967295, 0 [pid 5143] <... ioctl resumed>) = 0 [pid 5142] <... close_range resumed>) = 0 [pid 5141] <... close_range resumed>) = 0 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5098] <... restart_syscall resumed>) = 0 [pid 5142] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5144 attached [pid 5143] poll([{fd=7, events=0}], 1, 0 [pid 5142] <... openat resumed>) = 3 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5144] set_robust_list(0x5555735f3660, 24 [pid 5143] <... poll resumed>) = 0 (Timeout) [pid 5142] read(3, [pid 5141] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5144] <... set_robust_list resumed>) = 0 [pid 5142] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] exit_group(0 [pid 5144] <... prctl resumed>) = 0 [pid 5142] <... exit_group resumed>) = ? [pid 5143] close_range(3, 4294967295, 0 [pid 5144] setpgid(0, 0 [pid 5143] <... close_range resumed>) = 0 [pid 5144] <... setpgid resumed>) = 0 [pid 5143] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5142] +++ exited with 0 +++ [pid 5141] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5144 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... openat resumed>) = 3 [pid 5141] read(3, ./strace-static-x86_64: Process 5145 attached [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5141] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5145] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5145 [pid 5145] <... set_robust_list resumed>) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5144] <... openat resumed>) = 3 [pid 5143] read(3, [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5143] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5141] exit_group(0./strace-static-x86_64: Process 5146 attached [pid 5145] <... openat resumed>) = 3 [pid 5144] write(3, "1000", 4 [pid 5143] exit_group(0 [pid 5141] <... exit_group resumed>) = ? [pid 5144] <... write resumed>) = 4 [pid 5143] <... exit_group resumed>) = ? [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5145] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5145] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5145] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5143] +++ exited with 0 +++ [pid 5145] <... ioctl resumed>) = 0 [pid 5144] close(3 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5146 [pid 5144] <... close resumed>) = 0 [pid 5145] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5144] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5145] <... ioctl resumed>) = 0 [pid 5145] poll([{fd=7, events=0}], 1, 0 [pid 5146] set_robust_list(0x5555735f3660, 24 [pid 5145] <... poll resumed>) = 0 (Timeout) [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5144] <... openat resumed>) = 3 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5146] <... set_robust_list resumed>) = 0 [pid 5144] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5145] close_range(3, 4294967295, 0 [pid 5146] <... prctl resumed>) = 0 [pid 5145] <... close_range resumed>) = 0 [pid 5144] <... ioctl resumed>) = 0 [pid 5145] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5145] read(3, [pid 5144] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5145] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5145] exit_group(0) = ? [pid 5144] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5148 attached ./strace-static-x86_64: Process 5147 attached [pid 5146] setpgid(0, 0 [pid 5144] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5141] +++ exited with 0 +++ [pid 5148] set_robust_list(0x5555735f3660, 24 [pid 5147] set_robust_list(0x5555735f3660, 24 [pid 5146] <... setpgid resumed>) = 0 [pid 5144] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5148 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5147 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] <... set_robust_list resumed>) = 0 [pid 5147] <... set_robust_list resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5145] +++ exited with 0 +++ [pid 5144] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5148] <... setpgid resumed>) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] <... openat resumed>) = 3 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] <... prctl resumed>) = 0 [pid 5146] write(3, "1000", 4 [pid 5144] poll([{fd=7, events=0}], 1, 0 [pid 5148] <... openat resumed>) = 3 [pid 5147] setpgid(0, 0 [pid 5146] <... write resumed>) = 4 [pid 5144] <... poll resumed>) = 0 (Timeout) [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5148] write(3, "1000", 4 [pid 5147] <... setpgid resumed>) = 0 [pid 5146] close(3 [pid 5144] close_range(3, 4294967295, 0 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5148] <... write resumed>) = 4 [pid 5148] close(3./strace-static-x86_64: Process 5149 attached ) = 0 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5146] <... close resumed>) = 0 [pid 5144] <... close_range resumed>) = 0 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5147] <... openat resumed>) = 3 [pid 5146] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5149] set_robust_list(0x5555735f3660, 24 [pid 5148] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5147] write(3, "1000", 4 [pid 5146] <... openat resumed>) = 3 [pid 5144] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5149 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5147] <... write resumed>) = 4 [pid 5146] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5147] close(3 [pid 5146] <... ioctl resumed>) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5147] <... close resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5149] <... prctl resumed>) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5147] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5146] <... openat resumed>) = 5 [pid 5144] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5147] <... openat resumed>) = 3 [pid 5146] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5144] read(3, [pid 5148] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5149] setpgid(0, 0 [pid 5147] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5146] <... ioctl resumed>) = 0 [pid 5144] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 155 [pid 5147] <... ioctl resumed>) = 0 [pid 5146] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5148] <... ioctl resumed>) = 0 [pid 5149] <... setpgid resumed>) = 0 [pid 5147] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5146] <... ioctl resumed>) = 0 [pid 5148] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5144] exit_group(0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5148] <... openat resumed>) = 5 [pid 5147] <... openat resumed>) = 5 [pid 5146] poll([{fd=7, events=0}], 1, 0 [pid 5147] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5146] <... poll resumed>) = 0 (Timeout) [pid 5147] <... ioctl resumed>) = 0 [pid 5146] close_range(3, 4294967295, 0 [pid 5149] <... openat resumed>) = 3 [pid 5147] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5146] <... close_range resumed>) = 0 [pid 5144] <... exit_group resumed>) = ? [pid 5148] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5147] <... ioctl resumed>) = 0 [pid 5146] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5147] poll([{fd=7, events=0}], 1, 0 [pid 5146] <... openat resumed>) = 3 [pid 5147] <... poll resumed>) = 0 (Timeout) [pid 5146] read(3, [pid 5147] close_range(3, 4294967295, 0 [pid 5146] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5147] <... close_range resumed>) = 0 [pid 5146] exit_group(0 [pid 5147] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5146] <... exit_group resumed>) = ? [pid 5148] <... ioctl resumed>) = 0 [pid 5147] <... openat resumed>) = 3 [pid 5144] +++ exited with 0 +++ [pid 5147] read(3, [pid 5146] +++ exited with 0 +++ [pid 5147] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5147] exit_group(0) = ? ./strace-static-x86_64: Process 5150 attached [pid 5149] write(3, "1000", 4 [pid 5148] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5147] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5150] set_robust_list(0x5555735f3660, 24 [pid 5149] <... write resumed>) = 4 [pid 5148] <... ioctl resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5150 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5148] poll([{fd=7, events=0}], 1, 0 [pid 5150] <... set_robust_list resumed>) = 0 [pid 5149] close(3 [pid 5148] <... poll resumed>) = 0 (Timeout) [pid 5148] close_range(3, 4294967295, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] <... close resumed>) = 0 [pid 5148] <... close_range resumed>) = 0 [pid 5150] <... prctl resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5151 [pid 5150] setpgid(0, 0 [pid 5149] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5151 attached [pid 5150] <... setpgid resumed>) = 0 [pid 5149] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5149] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5153 attached ./strace-static-x86_64: Process 5152 attached [pid 5151] set_robust_list(0x5555735f3660, 24 [pid 5148] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5151] <... set_robust_list resumed>) = 0 [pid 5149] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5148] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5152 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5153 [pid 5148] read(3, [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5149] <... openat resumed>) = 5 [pid 5148] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5153] set_robust_list(0x5555735f3660, 24 [pid 5152] set_robust_list(0x5555735f3660, 24 [pid 5151] <... prctl resumed>) = 0 [pid 5153] <... set_robust_list resumed>) = 0 [pid 5152] <... set_robust_list resumed>) = 0 [pid 5151] setpgid(0, 0 [pid 5150] <... openat resumed>) = 3 [pid 5149] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5148] exit_group(0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5151] <... setpgid resumed>) = 0 [pid 5150] write(3, "1000", 4 [pid 5149] <... ioctl resumed>) = 0 [pid 5148] <... exit_group resumed>) = ? [pid 5153] setpgid(0, 0 [pid 5152] <... prctl resumed>) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] <... write resumed>) = 4 [pid 5149] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5153] <... setpgid resumed>) = 0 [pid 5150] close(3 [pid 5149] <... ioctl resumed>) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5150] <... close resumed>) = 0 [pid 5149] poll([{fd=7, events=0}], 1, 0 [pid 5150] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5149] <... poll resumed>) = 0 (Timeout) [pid 5149] close_range(3, 4294967295, 0 [pid 5152] setpgid(0, 0) = 0 [pid 5153] <... openat resumed>) = 3 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5151] <... openat resumed>) = 3 [pid 5150] <... openat resumed>) = 3 [pid 5149] <... close_range resumed>) = 0 [pid 5148] +++ exited with 0 +++ [pid 5153] write(3, "1000", 4 [pid 5152] <... openat resumed>) = 3 [pid 5151] write(3, "1000", 4 [pid 5150] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5149] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5153] <... write resumed>) = 4 [pid 5152] write(3, "1000", 4 [pid 5151] <... write resumed>) = 4 [pid 5150] <... ioctl resumed>) = 0 [pid 5153] close(3 [pid 5152] <... write resumed>) = 4 [pid 5151] close(3 [pid 5150] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5149] <... openat resumed>) = 3 [pid 5153] <... close resumed>) = 0 [pid 5152] close(3 [pid 5151] <... close resumed>) = 0 [pid 5150] <... openat resumed>) = 5 [pid 5149] read(3, [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5153] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5152] <... close resumed>) = 0 [pid 5149] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5152] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5151] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5150] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5153] <... openat resumed>) = 3 [pid 5152] <... openat resumed>) = 3 [pid 5151] <... openat resumed>) = 3 [pid 5150] <... ioctl resumed>) = 0 [pid 5149] exit_group(0 [pid 5151] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5153] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5152] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5150] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5149] <... exit_group resumed>) = ? [pid 5152] <... ioctl resumed>) = 0 [pid 5151] <... ioctl resumed>) = 0 [pid 5150] <... ioctl resumed>) = 0 [pid 5153] <... ioctl resumed>) = 0 [pid 5152] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5151] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5153] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5152] <... openat resumed>) = 5 [pid 5151] <... openat resumed>) = 5 [pid 5150] poll([{fd=7, events=0}], 1, 0 [pid 5153] <... openat resumed>) = 5 [pid 5150] <... poll resumed>) = 0 (Timeout) [pid 5152] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5150] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5154 attached [pid 5153] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5151] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5150] <... close_range resumed>) = 0 [pid 5153] <... ioctl resumed>) = 0 [pid 5152] <... ioctl resumed>) = 0 [pid 5149] +++ exited with 0 +++ [pid 5152] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5150] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5154] set_robust_list(0x5555735f3660, 24 [pid 5153] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5152] <... ioctl resumed>) = 0 [pid 5151] <... ioctl resumed>) = 0 [pid 5150] <... openat resumed>) = 3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5154 [pid 5154] <... set_robust_list resumed>) = 0 [pid 5153] <... ioctl resumed>) = 0 [pid 5152] poll([{fd=7, events=0}], 1, 0 [pid 5151] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5150] read(3, [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5153] poll([{fd=7, events=0}], 1, 0 [pid 5152] <... poll resumed>) = 0 (Timeout) [pid 5151] <... ioctl resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5154] <... prctl resumed>) = 0 [pid 5153] <... poll resumed>) = 0 (Timeout) [pid 5152] close_range(3, 4294967295, 0 [pid 5151] poll([{fd=7, events=0}], 1, 0 [pid 5150] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5154] setpgid(0, 0 [pid 5153] close_range(3, 4294967295, 0 [pid 5152] <... close_range resumed>) = 0 [pid 5151] <... poll resumed>) = 0 (Timeout) [pid 5150] exit_group(0 [pid 5154] <... setpgid resumed>) = 0 [pid 5153] <... close_range resumed>) = 0 [pid 5152] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5151] close_range(3, 4294967295, 0 [pid 5150] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5155 attached [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5153] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5152] <... openat resumed>) = 3 [pid 5151] <... close_range resumed>) = 0 [pid 5154] <... openat resumed>) = 3 [pid 5153] <... openat resumed>) = 3 [pid 5151] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5155] set_robust_list(0x5555735f3660, 24 [pid 5154] write(3, "1000", 4 [pid 5153] read(3, [pid 5152] read(3, [pid 5150] +++ exited with 0 +++ [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5155 [pid 5155] <... set_robust_list resumed>) = 0 [pid 5154] <... write resumed>) = 4 [pid 5153] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5152] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5151] read(3, [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5154] close(3 [pid 5153] exit_group(0 [pid 5152] exit_group(0 [pid 5151] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5155] <... prctl resumed>) = 0 [pid 5154] <... close resumed>) = 0 [pid 5153] <... exit_group resumed>) = ? [pid 5152] <... exit_group resumed>) = ? [pid 5151] exit_group(0 [pid 5155] setpgid(0, 0 [pid 5154] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5153] +++ exited with 0 +++ [pid 5152] +++ exited with 0 +++ [pid 5151] <... exit_group resumed>) = ? [pid 5155] <... setpgid resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5154] <... openat resumed>) = 3 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5154] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5155] <... openat resumed>) = 3 [pid 5154] <... ioctl resumed>) = 0 [pid 5155] write(3, "1000", 4 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5155] <... write resumed>) = 4 [pid 5155] close(3) = 0 [pid 5155] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5156 [pid 5155] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5157 attached ./strace-static-x86_64: Process 5156 attached [pid 5154] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5151] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5156] set_robust_list(0x5555735f3660, 24 [pid 5155] <... ioctl resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5155] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5155] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5158 attached [pid 5157] set_robust_list(0x5555735f3660, 24 [pid 5156] <... set_robust_list resumed>) = 0 [pid 5154] <... openat resumed>) = 5 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5157 [pid 5155] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5158] set_robust_list(0x5555735f3660, 24 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] <... ioctl resumed>) = 0 [pid 5154] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5158 [pid 5158] <... set_robust_list resumed>) = 0 [pid 5156] <... prctl resumed>) = 0 [pid 5156] setpgid(0, 0 [pid 5154] <... ioctl resumed>) = 0 [pid 5155] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... setpgid resumed>) = 0 [pid 5155] <... ioctl resumed>) = 0 [pid 5154] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5158] <... prctl resumed>) = 0 [pid 5158] setpgid(0, 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5155] poll([{fd=7, events=0}], 1, 0 [pid 5158] <... setpgid resumed>) = 0 [pid 5155] <... poll resumed>) = 0 (Timeout) [pid 5155] close_range(3, 4294967295, 0 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5157] <... prctl resumed>) = 0 [pid 5156] <... openat resumed>) = 3 [pid 5155] <... close_range resumed>) = 0 [pid 5154] <... ioctl resumed>) = 0 [pid 5157] setpgid(0, 0 [pid 5158] <... openat resumed>) = 3 [pid 5157] <... setpgid resumed>) = 0 [pid 5156] write(3, "1000", 4 [pid 5155] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5154] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) ./strace-static-x86_64: Process 5159 attached [pid 5158] write(3, "1000", 4 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] <... write resumed>) = 4 [pid 5154] close_range(3, 4294967295, 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5159 [pid 5159] set_robust_list(0x5555735f3660, 24 [pid 5155] <... openat resumed>) = 3 [pid 5159] <... set_robust_list resumed>) = 0 [pid 5155] read(3, [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5158] <... write resumed>) = 4 [pid 5156] close(3 [pid 5155] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5154] <... close_range resumed>) = 0 [pid 5158] close(3 [pid 5157] <... openat resumed>) = 3 [pid 5156] <... close resumed>) = 0 [pid 5159] <... prctl resumed>) = 0 [pid 5158] <... close resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5155] exit_group(0 [pid 5158] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5159] setpgid(0, 0 [pid 5158] <... openat resumed>) = 3 [pid 5157] write(3, "1000", 4 [pid 5156] <... openat resumed>) = 3 [pid 5155] <... exit_group resumed>) = ? [pid 5154] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5157] <... write resumed>) = 4 [pid 5158] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5159] <... setpgid resumed>) = 0 [pid 5158] <... ioctl resumed>) = 0 [pid 5157] close(3 [pid 5156] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5154] <... openat resumed>) = 3 [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5158] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5157] <... close resumed>) = 0 [pid 5156] <... ioctl resumed>) = 0 [pid 5154] read(3, [pid 5157] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5155] +++ exited with 0 +++ [pid 5158] <... openat resumed>) = 5 [pid 5154] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 166 [pid 5156] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5159] <... openat resumed>) = 3 [pid 5158] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5157] <... openat resumed>) = 3 [pid 5156] <... openat resumed>) = 5 [pid 5154] exit_group(0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5159] write(3, "1000", 4) = 4 [pid 5158] <... ioctl resumed>) = 0 [pid 5157] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5156] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5154] <... exit_group resumed>) = ? [pid 5095] <... restart_syscall resumed>) = 0 [pid 5158] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5157] <... ioctl resumed>) = 0 [pid 5156] <... ioctl resumed>) = 0 [pid 5159] close(3 [pid 5158] <... ioctl resumed>) = 0 [pid 5156] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5157] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5158] poll([{fd=7, events=0}], 1, 0 [pid 5157] <... openat resumed>) = 5 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5158] <... poll resumed>) = 0 (Timeout) [pid 5159] <... close resumed>) = 0 [pid 5159] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5158] close_range(3, 4294967295, 0) = 0 [pid 5156] <... ioctl resumed>) = 0 [pid 5157] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5159] <... openat resumed>) = 3 [pid 5158] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5157] <... ioctl resumed>) = 0 [pid 5159] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5158] <... openat resumed>) = 3 [pid 5157] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5159] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5157] <... ioctl resumed>) = 0 [pid 5156] poll([{fd=7, events=0}], 1, 0 [pid 5158] read(3, [pid 5157] poll([{fd=7, events=0}], 1, 0 [pid 5156] <... poll resumed>) = 0 (Timeout) [pid 5159] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5160 attached [pid 5158] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5157] <... poll resumed>) = 0 (Timeout) [pid 5159] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5156] close_range(3, 4294967295, 0 [pid 5154] +++ exited with 0 +++ [pid 5160] set_robust_list(0x5555735f3660, 24 [pid 5158] exit_group(0 [pid 5157] close_range(3, 4294967295, 0 [pid 5160] <... set_robust_list resumed>) = 0 [pid 5159] <... ioctl resumed>) = 0 [pid 5158] <... exit_group resumed>) = ? [pid 5157] <... close_range resumed>) = 0 [pid 5156] <... close_range resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5160 [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5159] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5157] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5159] <... ioctl resumed>) = 0 [pid 5159] poll([{fd=7, events=0}], 1, 0 [pid 5158] +++ exited with 0 +++ [pid 5156] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5160] <... prctl resumed>) = 0 [pid 5157] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5160] setpgid(0, 0 [pid 5159] <... poll resumed>) = 0 (Timeout) [pid 5157] read(3, [pid 5156] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] <... setpgid resumed>) = 0 [pid 5159] close_range(3, 4294967295, 0 [pid 5156] read(3, [pid 5159] <... close_range resumed>) = 0 [pid 5157] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5156] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 ./strace-static-x86_64: Process 5161 attached [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5159] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5157] exit_group(0 [pid 5156] exit_group(0 [pid 5161] set_robust_list(0x5555735f3660, 24 [pid 5160] <... openat resumed>) = 3 [pid 5157] <... exit_group resumed>) = ? [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5161 [pid 5161] <... set_robust_list resumed>) = 0 [pid 5160] write(3, "1000", 4 [pid 5159] <... openat resumed>) = 3 [pid 5156] <... exit_group resumed>) = ? [pid 5160] <... write resumed>) = 4 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] close(3 [pid 5159] read(3, [pid 5160] <... close resumed>) = 0 [pid 5159] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5157] +++ exited with 0 +++ [pid 5161] <... prctl resumed>) = 0 [pid 5160] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5159] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5161] setpgid(0, 0 [pid 5160] <... openat resumed>) = 3 [pid 5159] <... exit_group resumed>) = ? [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5162 attached [pid 5161] <... setpgid resumed>) = 0 [pid 5160] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5156] +++ exited with 0 +++ [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5162] set_robust_list(0x5555735f3660, 24 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] <... ioctl resumed>) = 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5162 [pid 5162] <... set_robust_list resumed>) = 0 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5160] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] <... restart_syscall resumed>) = 0 [pid 5162] <... prctl resumed>) = 0 [pid 5160] <... openat resumed>) = 5 [pid 5159] +++ exited with 0 +++ [pid 5162] setpgid(0, 0 [pid 5161] <... openat resumed>) = 3 [pid 5162] <... setpgid resumed>) = 0 [pid 5160] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5161] write(3, "1000", 4 [pid 5160] <... ioctl resumed>) = 0 [pid 5161] <... write resumed>) = 4 [pid 5161] close(3) = 0 ./strace-static-x86_64: Process 5164 attached ./strace-static-x86_64: Process 5163 attached [pid 5162] <... openat resumed>) = 3 [pid 5161] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5160] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5164 [pid 5162] write(3, "1000", 4 [pid 5160] poll([{fd=7, events=0}], 1, 0 [pid 5162] <... write resumed>) = 4 [pid 5160] <... poll resumed>) = 0 (Timeout) [pid 5162] close(3 [pid 5160] close_range(3, 4294967295, 0 [pid 5162] <... close resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5164] set_robust_list(0x5555735f3660, 24 [pid 5163] set_robust_list(0x5555735f3660, 24 [pid 5160] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5163 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] <... set_robust_list resumed>) = 0 [pid 5162] <... openat resumed>) = 3 [pid 5161] <... openat resumed>) = 3 [pid 5160] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5162] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5161] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5160] <... openat resumed>) = 3 [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5163] <... prctl resumed>) = 0 [pid 5164] <... prctl resumed>) = 0 [pid 5163] setpgid(0, 0 [pid 5162] <... ioctl resumed>) = 0 [pid 5161] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] setpgid(0, 0 [pid 5163] <... setpgid resumed>) = 0 [pid 5162] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5160] read(3, [pid 5164] <... setpgid resumed>) = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5160] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 146 [pid 5162] <... openat resumed>) = 5 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5162] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5160] exit_group(0 [pid 5162] <... ioctl resumed>) = 0 [pid 5163] <... openat resumed>) = 3 [pid 5161] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5162] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5160] <... exit_group resumed>) = ? [pid 5164] <... openat resumed>) = 3 [pid 5162] <... ioctl resumed>) = 0 [pid 5161] <... openat resumed>) = 5 [pid 5162] poll([{fd=7, events=0}], 1, 0./strace-static-x86_64: Process 5165 attached [pid 5164] write(3, "1000", 4 [pid 5163] write(3, "1000", 4 [pid 5162] <... poll resumed>) = 0 (Timeout) [pid 5161] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5165] set_robust_list(0x5555735f3660, 24 [pid 5164] <... write resumed>) = 4 [pid 5163] <... write resumed>) = 4 [pid 5162] close_range(3, 4294967295, 0 [pid 5161] <... ioctl resumed>) = 0 [pid 5165] <... set_robust_list resumed>) = 0 [pid 5164] close(3 [pid 5163] close(3 [pid 5161] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5160] +++ exited with 0 +++ [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5165 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... close resumed>) = 0 [pid 5163] <... close resumed>) = 0 [pid 5162] <... close_range resumed>) = 0 [pid 5161] <... ioctl resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5162] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5164] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5162] <... openat resumed>) = 3 [pid 5163] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5161] poll([{fd=7, events=0}], 1, 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5164] <... openat resumed>) = 3 [pid 5163] <... openat resumed>) = 3 [pid 5161] <... poll resumed>) = 0 (Timeout) [pid 5165] <... prctl resumed>) = 0 [pid 5162] read(3, [pid 5165] setpgid(0, 0 [pid 5164] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5163] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5162] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 179 [pid 5161] close_range(3, 4294967295, 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5166 ./strace-static-x86_64: Process 5166 attached [pid 5166] set_robust_list(0x5555735f3660, 24 [pid 5165] <... setpgid resumed>) = 0 [pid 5164] <... ioctl resumed>) = 0 [pid 5163] <... ioctl resumed>) = 0 [pid 5162] exit_group(0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5164] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5162] <... exit_group resumed>) = ? [pid 5161] <... close_range resumed>) = 0 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5163] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5166] <... prctl resumed>) = 0 [pid 5166] setpgid(0, 0 [pid 5163] <... openat resumed>) = 5 [pid 5166] <... setpgid resumed>) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5165] <... openat resumed>) = 3 [pid 5164] <... openat resumed>) = 5 [pid 5163] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5162] +++ exited with 0 +++ [pid 5161] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5166] <... openat resumed>) = 3 [pid 5164] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5163] <... ioctl resumed>) = 0 [pid 5161] <... openat resumed>) = 3 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5164] <... ioctl resumed>) = 0 [pid 5165] write(3, "1000", 4 [pid 5166] write(3, "1000", 4 [pid 5165] <... write resumed>) = 4 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5166] <... write resumed>) = 4 [pid 5165] close(3 [pid 5164] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5163] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5161] read(3, ./strace-static-x86_64: Process 5167 attached [pid 5166] close(3 [pid 5165] <... close resumed>) = 0 [pid 5167] set_robust_list(0x5555735f3660, 24 [pid 5166] <... close resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5164] <... ioctl resumed>) = 0 [pid 5163] <... ioctl resumed>) = 0 [pid 5161] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5167 [pid 5167] <... set_robust_list resumed>) = 0 [pid 5166] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5165] <... openat resumed>) = 3 [pid 5164] poll([{fd=7, events=0}], 1, 0 [pid 5163] poll([{fd=7, events=0}], 1, 0 [pid 5161] exit_group(0 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5166] <... openat resumed>) = 3 [pid 5164] <... poll resumed>) = 0 (Timeout) [pid 5163] <... poll resumed>) = 0 (Timeout) [pid 5161] <... exit_group resumed>) = ? [pid 5163] close_range(3, 4294967295, 0 [pid 5167] <... prctl resumed>) = 0 [pid 5166] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5165] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5167] setpgid(0, 0 [pid 5166] <... ioctl resumed>) = 0 [pid 5165] <... ioctl resumed>) = 0 [pid 5167] <... setpgid resumed>) = 0 [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5166] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5165] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5161] +++ exited with 0 +++ [pid 5167] <... openat resumed>) = 3 [pid 5166] <... openat resumed>) = 5 [pid 5164] close_range(3, 4294967295, 0 [pid 5163] <... close_range resumed>) = 0 [pid 5163] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5165] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] write(3, "1000", 4 [pid 5166] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5165] <... ioctl resumed>) = 0 [pid 5164] <... close_range resumed>) = 0 [pid 5163] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5168 attached [pid 5165] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5167] <... write resumed>) = 4 [pid 5163] read(3, [pid 5168] set_robust_list(0x5555735f3660, 24 [pid 5167] close(3 [pid 5165] <... ioctl resumed>) = 0 [pid 5168] <... set_robust_list resumed>) = 0 [pid 5167] <... close resumed>) = 0 [pid 5166] <... ioctl resumed>) = 0 [pid 5165] poll([{fd=7, events=0}], 1, 0 [pid 5163] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5168 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5167] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5165] <... poll resumed>) = 0 (Timeout) [pid 5168] <... prctl resumed>) = 0 [pid 5166] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5165] close_range(3, 4294967295, 0 [pid 5164] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5163] exit_group(0 [pid 5168] setpgid(0, 0 [pid 5165] <... close_range resumed>) = 0 [pid 5164] <... openat resumed>) = 3 [pid 5167] <... openat resumed>) = 3 [pid 5168] <... setpgid resumed>) = 0 [pid 5166] <... ioctl resumed>) = 0 [pid 5165] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5164] read(3, [pid 5163] <... exit_group resumed>) = ? [pid 5167] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] <... ioctl resumed>) = 0 [pid 5166] poll([{fd=7, events=0}], 1, 0 [pid 5165] <... openat resumed>) = 3 [pid 5164] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5168] <... openat resumed>) = 3 [pid 5166] <... poll resumed>) = 0 (Timeout) [pid 5165] read(3, [pid 5167] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5164] exit_group(0 [pid 5168] write(3, "1000", 4 [pid 5167] <... openat resumed>) = 5 [pid 5166] close_range(3, 4294967295, 0 [pid 5165] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5164] <... exit_group resumed>) = ? [pid 5163] +++ exited with 0 +++ [pid 5168] <... write resumed>) = 4 [pid 5167] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5165] exit_group(0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5168] close(3 [pid 5167] <... ioctl resumed>) = 0 [pid 5168] <... close resumed>) = 0 [pid 5165] <... exit_group resumed>) = ? [pid 5166] <... close_range resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5167] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5166] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5164] +++ exited with 0 +++ [pid 5166] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5168] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5167] <... ioctl resumed>) = 0 [pid 5166] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5167] poll([{fd=7, events=0}], 1, 0 [pid 5166] exit_group(0 [pid 5168] <... openat resumed>) = 3 [pid 5167] <... poll resumed>) = 0 (Timeout) [pid 5166] <... exit_group resumed>) = ? [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5169 ./strace-static-x86_64: Process 5170 attached ./strace-static-x86_64: Process 5169 attached [pid 5165] +++ exited with 0 +++ [pid 5168] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5167] close_range(3, 4294967295, 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5170 [pid 5170] set_robust_list(0x5555735f3660, 24 [pid 5169] set_robust_list(0x5555735f3660, 24 [pid 5170] <... set_robust_list resumed>) = 0 [pid 5169] <... set_robust_list resumed>) = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] <... ioctl resumed>) = 0 [pid 5167] <... close_range resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5169] <... prctl resumed>) = 0 [pid 5168] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5170] <... prctl resumed>) = 0 [pid 5169] setpgid(0, 0 [pid 5168] <... openat resumed>) = 5 [pid 5167] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5170] setpgid(0, 0 [pid 5169] <... setpgid resumed>) = 0 [pid 5168] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5167] <... openat resumed>) = 3 [pid 5166] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5167] read(3, [pid 5169] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5170] <... setpgid resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5171 attached [pid 5169] write(3, "1000", 4 [pid 5168] <... ioctl resumed>) = 0 [pid 5167] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5171] set_robust_list(0x5555735f3660, 24 [pid 5170] <... openat resumed>) = 3 [pid 5169] <... write resumed>) = 4 [pid 5168] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5167] exit_group(0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5171 [pid 5171] <... set_robust_list resumed>) = 0 [pid 5170] write(3, "1000", 4 [pid 5169] close(3 [pid 5168] <... ioctl resumed>) = 0 [pid 5167] <... exit_group resumed>) = ? [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] poll([{fd=7, events=0}], 1, 0 [pid 5170] <... write resumed>) = 4 [pid 5169] <... close resumed>) = 0 [pid 5168] <... poll resumed>) = 0 (Timeout) [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] <... prctl resumed>) = 0 [pid 5170] close(3 [pid 5169] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5168] close_range(3, 4294967295, 0 [pid 5167] +++ exited with 0 +++ [pid 5171] setpgid(0, 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5171] <... setpgid resumed>) = 0 [pid 5168] <... close_range resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] <... close resumed>) = 0 [pid 5168] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5170] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5171] <... openat resumed>) = 3 [pid 5169] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5172 attached [pid 5171] write(3, "1000", 4 [pid 5170] <... openat resumed>) = 3 [pid 5169] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5168] <... openat resumed>) = 3 [pid 5170] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5169] <... ioctl resumed>) = 0 [pid 5168] read(3, [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5172 [pid 5170] <... ioctl resumed>) = 0 [pid 5169] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5172] set_robust_list(0x5555735f3660, 24 [pid 5171] <... write resumed>) = 4 [pid 5170] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5169] <... openat resumed>) = 5 [pid 5168] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 146 ./strace-static-x86_64: Process 5173 attached [pid 5172] <... set_robust_list resumed>) = 0 [pid 5171] close(3 [pid 5170] <... openat resumed>) = 5 [pid 5168] exit_group(0 [pid 5173] set_robust_list(0x5555735f3660, 24 [pid 5171] <... close resumed>) = 0 [pid 5169] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5168] <... exit_group resumed>) = ? [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5169] <... ioctl resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5170] <... ioctl resumed>) = 0 [pid 5173] <... prctl resumed>) = 0 [pid 5170] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5169] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5173 [pid 5173] setpgid(0, 0 [pid 5172] <... prctl resumed>) = 0 [pid 5171] <... openat resumed>) = 3 [pid 5170] <... ioctl resumed>) = 0 [pid 5169] <... ioctl resumed>) = 0 [pid 5172] setpgid(0, 0 [pid 5173] <... setpgid resumed>) = 0 [pid 5172] <... setpgid resumed>) = 0 [pid 5170] poll([{fd=7, events=0}], 1, 0 [pid 5169] poll([{fd=7, events=0}], 1, 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5170] <... poll resumed>) = 0 (Timeout) [pid 5169] <... poll resumed>) = 0 (Timeout) [pid 5173] <... openat resumed>) = 3 [pid 5170] close_range(3, 4294967295, 0 [pid 5169] close_range(3, 4294967295, 0 [pid 5171] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] <... ioctl resumed>) = 0 [pid 5169] <... close_range resumed>) = 0 [pid 5173] write(3, "1000", 4 [pid 5170] <... close_range resumed>) = 0 [pid 5173] <... write resumed>) = 4 [pid 5169] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5173] close(3 [pid 5170] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5169] <... openat resumed>) = 3 [pid 5168] +++ exited with 0 +++ [pid 5173] <... close resumed>) = 0 [pid 5172] <... openat resumed>) = 3 [pid 5171] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5170] <... openat resumed>) = 3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5173] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5169] read(3, [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5173] <... openat resumed>) = 3 [pid 5172] write(3, "1000", 4 [pid 5171] <... openat resumed>) = 5 [pid 5170] read(3, [pid 5169] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5172] <... write resumed>) = 4 [pid 5171] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5170] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5169] exit_group(0 [pid 5173] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5172] close(3 [pid 5171] <... ioctl resumed>) = 0 [pid 5170] exit_group(0 [pid 5169] <... exit_group resumed>) = ? [pid 5173] <... ioctl resumed>) = 0 [pid 5172] <... close resumed>) = 0 [pid 5171] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5173] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5172] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5170] <... exit_group resumed>) = ? [pid 5169] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] <... openat resumed>) = 5 [pid 5172] <... openat resumed>) = 3 [pid 5171] <... ioctl resumed>) = 0 [pid 5172] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5172] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5171] poll([{fd=7, events=0}], 1, 0./strace-static-x86_64: Process 5174 attached [pid 5173] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5171] <... poll resumed>) = 0 (Timeout) [pid 5170] +++ exited with 0 +++ [pid 5172] <... openat resumed>) = 5 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] set_robust_list(0x5555735f3660, 24 [pid 5173] <... ioctl resumed>) = 0 [pid 5172] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5171] close_range(3, 4294967295, 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5174 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] <... set_robust_list resumed>) = 0 [pid 5173] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5172] <... ioctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5173] <... ioctl resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] poll([{fd=7, events=0}], 1, 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5172] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5173] <... poll resumed>) = 0 (Timeout) [pid 5174] <... prctl resumed>) = 0 [pid 5173] close_range(3, 4294967295, 0 [pid 5172] <... ioctl resumed>) = 0 [pid 5171] <... close_range resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5173] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5175 attached [pid 5175] set_robust_list(0x5555735f3660, 24 [pid 5174] setpgid(0, 0 [pid 5173] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5172] poll([{fd=7, events=0}], 1, 0 [pid 5171] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5175 ./strace-static-x86_64: Process 5176 attached [pid 5174] <... setpgid resumed>) = 0 [pid 5175] <... set_robust_list resumed>) = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5173] <... openat resumed>) = 3 [pid 5172] <... poll resumed>) = 0 (Timeout) [pid 5175] <... prctl resumed>) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] close_range(3, 4294967295, 0 [pid 5175] setpgid(0, 0 [pid 5171] <... openat resumed>) = 3 [pid 5175] <... setpgid resumed>) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5172] <... close_range resumed>) = 0 [pid 5176] set_robust_list(0x5555735f3660, 24 [pid 5171] read(3, [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5176 [pid 5174] <... openat resumed>) = 3 [pid 5173] read(3, [pid 5171] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5176] <... set_robust_list resumed>) = 0 [pid 5172] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5174] write(3, "1000", 4 [pid 5173] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] <... openat resumed>) = 3 [pid 5174] <... write resumed>) = 4 [pid 5172] <... openat resumed>) = 3 [pid 5173] exit_group(0 [pid 5174] close(3 [pid 5173] <... exit_group resumed>) = ? [pid 5172] read(3, [pid 5171] exit_group(0 [pid 5176] <... prctl resumed>) = 0 [pid 5174] <... close resumed>) = 0 [pid 5175] write(3, "1000", 4) = 4 [pid 5175] close(3 [pid 5172] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5175] <... close resumed>) = 0 [pid 5175] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5174] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5171] <... exit_group resumed>) = ? [pid 5176] setpgid(0, 0 [pid 5175] <... openat resumed>) = 3 [pid 5175] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5176] <... setpgid resumed>) = 0 [pid 5174] <... openat resumed>) = 3 [pid 5173] +++ exited with 0 +++ [pid 5172] exit_group(0 [pid 5171] +++ exited with 0 +++ [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5175] <... ioctl resumed>) = 0 [pid 5172] <... exit_group resumed>) = ? [pid 5174] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5175] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5176] <... openat resumed>) = 3 [pid 5174] <... ioctl resumed>) = 0 [pid 5176] write(3, "1000", 4 [pid 5175] <... openat resumed>) = 5 [pid 5174] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5172] +++ exited with 0 +++ [pid 5176] <... write resumed>) = 4 [pid 5174] <... openat resumed>) = 5 [pid 5176] close(3) = 0 [pid 5176] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5175] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5176] <... openat resumed>) = 3 [pid 5176] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5178 attached ./strace-static-x86_64: Process 5177 attached [pid 5175] <... ioctl resumed>) = 0 [pid 5174] <... ioctl resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5177] set_robust_list(0x5555735f3660, 24 [pid 5176] <... ioctl resumed>) = 0 [pid 5175] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5174] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5175] <... ioctl resumed>) = 0 [pid 5174] <... ioctl resumed>) = 0 [pid 5178] set_robust_list(0x5555735f3660, 24 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5177 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5178 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] <... openat resumed>) = 5 [pid 5177] <... prctl resumed>) = 0 [pid 5175] poll([{fd=7, events=0}], 1, 0 [pid 5178] <... set_robust_list resumed>) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] setpgid(0, 0 [pid 5176] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5175] <... poll resumed>) = 0 (Timeout) [pid 5174] poll([{fd=7, events=0}], 1, 0 [pid 5178] <... prctl resumed>) = 0 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] <... ioctl resumed>) = 0 [pid 5175] close_range(3, 4294967295, 0 [pid 5174] <... poll resumed>) = 0 (Timeout) [pid 5178] setpgid(0, 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5175] <... close_range resumed>) = 0 [pid 5174] close_range(3, 4294967295, 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] <... setpgid resumed>) = 0 [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5177] <... openat resumed>) = 3 [pid 5177] write(3, "1000", 4 [pid 5176] <... ioctl resumed>) = 0 [pid 5174] <... close_range resumed>) = 0 [pid 5175] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5178] <... openat resumed>) = 3 [pid 5177] <... write resumed>) = 4 [pid 5176] poll([{fd=7, events=0}], 1, 0 [pid 5175] <... openat resumed>) = 3 [pid 5174] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5175] read(3, [pid 5174] <... openat resumed>) = 3 [pid 5175] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5178] write(3, "1000", 4 [pid 5177] close(3 [pid 5176] <... poll resumed>) = 0 (Timeout) [pid 5175] exit_group(0 [pid 5174] read(3, ./strace-static-x86_64: Process 5179 attached [pid 5178] <... write resumed>) = 4 [pid 5177] <... close resumed>) = 0 [pid 5176] close_range(3, 4294967295, 0 [pid 5175] <... exit_group resumed>) = ? [pid 5174] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5179] set_robust_list(0x5555735f3660, 24 [pid 5178] close(3 [pid 5177] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5176] <... close_range resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5179 [pid 5179] <... set_robust_list resumed>) = 0 [pid 5178] <... close resumed>) = 0 [pid 5177] <... openat resumed>) = 3 [pid 5176] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5175] +++ exited with 0 +++ [pid 5174] exit_group(0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5177] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5174] <... exit_group resumed>) = ? [pid 5179] <... prctl resumed>) = 0 [pid 5178] <... openat resumed>) = 3 [pid 5177] <... ioctl resumed>) = 0 [pid 5176] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5179] setpgid(0, 0 [pid 5178] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5177] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5174] +++ exited with 0 +++ [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5179] <... setpgid resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... restart_syscall resumed>) = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5178] <... ioctl resumed>) = 0 [pid 5177] <... openat resumed>) = 5 [pid 5176] read(3, [pid 5178] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5176] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 166 [pid 5178] <... openat resumed>) = 5 [pid 5177] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5176] exit_group(0 [pid 5178] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5177] <... ioctl resumed>) = 0 [pid 5176] <... exit_group resumed>) = ? [pid 5179] <... openat resumed>) = 3 [pid 5178] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5179] write(3, "1000", 4 [pid 5178] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5177] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5176] +++ exited with 0 +++ [pid 5179] <... write resumed>) = 4 [pid 5178] <... ioctl resumed>) = 0 [pid 5177] <... ioctl resumed>) = 0 [pid 5179] close(3 [pid 5178] poll([{fd=7, events=0}], 1, 0 [pid 5177] poll([{fd=7, events=0}], 1, 0 [pid 5179] <... close resumed>) = 0 [pid 5178] <... poll resumed>) = 0 (Timeout) [pid 5177] <... poll resumed>) = 0 (Timeout) [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5178] close_range(3, 4294967295, 0 [pid 5177] close_range(3, 4294967295, 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5179] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5178] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5181 attached ./strace-static-x86_64: Process 5180 attached [pid 5179] <... openat resumed>) = 3 [pid 5177] <... close_range resumed>) = 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5178] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5181] set_robust_list(0x5555735f3660, 24 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5181 [pid 5180] set_robust_list(0x5555735f3660, 24 [pid 5177] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5181] <... set_robust_list resumed>) = 0 [pid 5178] <... openat resumed>) = 3 [pid 5177] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5180 [pid 5177] read(3, [pid 5180] <... set_robust_list resumed>) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5179] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5178] read(3, [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5179] <... ioctl resumed>) = 0 [pid 5177] exit_group(0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5178] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5177] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5182 attached [pid 5180] <... prctl resumed>) = 0 [pid 5181] <... prctl resumed>) = 0 [pid 5179] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5178] exit_group(0 [pid 5182] set_robust_list(0x5555735f3660, 24 [pid 5180] setpgid(0, 0 [pid 5181] setpgid(0, 0 [pid 5179] <... openat resumed>) = 5 [pid 5182] <... set_robust_list resumed>) = 0 [pid 5180] <... setpgid resumed>) = 0 [pid 5181] <... setpgid resumed>) = 0 [pid 5179] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5178] <... exit_group resumed>) = ? [pid 5177] +++ exited with 0 +++ [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5182 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] <... ioctl resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5179] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5179] <... ioctl resumed>) = 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5182] <... prctl resumed>) = 0 [pid 5181] <... openat resumed>) = 3 [pid 5182] setpgid(0, 0 [pid 5181] write(3, "1000", 4 [pid 5179] poll([{fd=7, events=0}], 1, 0 [pid 5182] <... setpgid resumed>) = 0 [pid 5180] <... openat resumed>) = 3 [pid 5181] <... write resumed>) = 4 [pid 5179] <... poll resumed>) = 0 (Timeout) [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5179] close_range(3, 4294967295, 0 [pid 5181] close(3) = 0 [pid 5179] <... close_range resumed>) = 0 [pid 5178] +++ exited with 0 +++ [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5180] write(3, "1000", 4 [pid 5181] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5180] <... write resumed>) = 4 [pid 5179] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5183 attached [pid 5182] <... openat resumed>) = 3 [pid 5180] close(3 [pid 5181] <... openat resumed>) = 3 [pid 5179] <... openat resumed>) = 3 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5183 [pid 5183] set_robust_list(0x5555735f3660, 24 [pid 5182] write(3, "1000", 4 [pid 5180] <... close resumed>) = 0 [pid 5181] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5183] <... set_robust_list resumed>) = 0 [pid 5182] <... write resumed>) = 4 [pid 5180] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5181] <... ioctl resumed>) = 0 [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5182] close(3 [pid 5180] <... openat resumed>) = 3 [pid 5179] read(3, [pid 5182] <... close resumed>) = 0 [pid 5180] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5181] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5179] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5183] <... prctl resumed>) = 0 [pid 5182] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5180] <... ioctl resumed>) = 0 [pid 5181] <... openat resumed>) = 5 [pid 5179] exit_group(0 [pid 5183] setpgid(0, 0 [pid 5180] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5183] <... setpgid resumed>) = 0 [pid 5180] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5184 attached [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5182] <... openat resumed>) = 3 [pid 5181] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5179] <... exit_group resumed>) = ? [pid 5184] set_robust_list(0x5555735f3660, 24 [pid 5182] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5180] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5181] <... ioctl resumed>) = 0 [pid 5184] <... set_robust_list resumed>) = 0 [pid 5183] <... openat resumed>) = 3 [pid 5182] <... ioctl resumed>) = 0 [pid 5180] <... ioctl resumed>) = 0 [pid 5181] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5184 [pid 5180] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5182] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5180] <... ioctl resumed>) = 0 [pid 5181] <... ioctl resumed>) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5183] write(3, "1000", 4 [pid 5182] <... openat resumed>) = 5 [pid 5180] poll([{fd=7, events=0}], 1, 0 [pid 5181] poll([{fd=7, events=0}], 1, 0 [pid 5184] setpgid(0, 0 [pid 5181] <... poll resumed>) = 0 (Timeout) [pid 5184] <... setpgid resumed>) = 0 [pid 5182] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5181] close_range(3, 4294967295, 0 [pid 5183] <... write resumed>) = 4 [pid 5180] <... poll resumed>) = 0 (Timeout) [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] close(3 [pid 5182] <... ioctl resumed>) = 0 [pid 5180] close_range(3, 4294967295, 0 [pid 5183] <... close resumed>) = 0 [pid 5181] <... close_range resumed>) = 0 [pid 5182] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5184] <... openat resumed>) = 3 [pid 5183] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5182] <... ioctl resumed>) = 0 [pid 5180] <... close_range resumed>) = 0 [pid 5181] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5179] +++ exited with 0 +++ [pid 5183] <... openat resumed>) = 3 [pid 5180] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5181] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5184] write(3, "1000", 4 [pid 5183] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5182] poll([{fd=7, events=0}], 1, 0 [pid 5181] read(3, [pid 5184] <... write resumed>) = 4 [pid 5183] <... ioctl resumed>) = 0 [pid 5182] <... poll resumed>) = 0 (Timeout) [pid 5180] <... openat resumed>) = 3 [pid 5181] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5184] close(3 [pid 5182] close_range(3, 4294967295, 0 [pid 5184] <... close resumed>) = 0 [pid 5181] exit_group(0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5183] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5180] read(3, [pid 5184] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5183] <... openat resumed>) = 5 [pid 5182] <... close_range resumed>) = 0 [pid 5180] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-exec"..., 8224) = 135 [pid 5181] <... exit_group resumed>) = ? [pid 5184] <... openat resumed>) = 3 [pid 5183] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5180] exit_group(0./strace-static-x86_64: Process 5185 attached [pid 5184] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5183] <... ioctl resumed>) = 0 [pid 5182] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5180] <... exit_group resumed>) = ? [pid 5183] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5184] <... ioctl resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5185 [pid 5183] <... ioctl resumed>) = 0 [pid 5185] set_robust_list(0x5555735f3660, 24 [pid 5183] poll([{fd=7, events=0}], 1, 0 [pid 5185] <... set_robust_list resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5184] <... openat resumed>) = 5 [pid 5185] <... prctl resumed>) = 0 [pid 5181] +++ exited with 0 +++ [pid 5185] setpgid(0, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5185] <... setpgid resumed>) = 0 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5183] <... poll resumed>) = 0 (Timeout) [pid 5182] <... openat resumed>) = 3 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5184] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5183] close_range(3, 4294967295, 0 [pid 5182] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5185] <... openat resumed>) = 3 [pid 5184] <... ioctl resumed>) = 0 [pid 5183] <... close_range resumed>) = 0 [pid 5182] exit_group(0 [pid 5180] +++ exited with 0 +++ [pid 5183] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5182] <... exit_group resumed>) = ? [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5185] write(3, "1000", 4 [pid 5184] <... ioctl resumed>) = 0 [pid 5185] <... write resumed>) = 4 [pid 5184] poll([{fd=7, events=0}], 1, 0 [pid 5185] close(3 [pid 5184] <... poll resumed>) = 0 (Timeout) [pid 5185] <... close resumed>) = 0 [pid 5184] close_range(3, 4294967295, 0 [pid 5182] +++ exited with 0 +++ [pid 5185] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5183] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5186 attached [pid 5185] <... openat resumed>) = 3 [pid 5184] <... close_range resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5185] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5186] set_robust_list(0x5555735f3660, 24 [pid 5185] <... ioctl resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5183] read(3, [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5186 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5184] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5188 attached ./strace-static-x86_64: Process 5187 attached [pid 5186] <... set_robust_list resumed>) = 0 [pid 5185] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5184] read(3, [pid 5183] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5188] set_robust_list(0x5555735f3660, 24 [pid 5187] set_robust_list(0x5555735f3660, 24 [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5185] <... openat resumed>) = 5 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5188 [pid 5183] exit_group(0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5187 [pid 5188] <... set_robust_list resumed>) = 0 [pid 5187] <... set_robust_list resumed>) = 0 [pid 5186] <... prctl resumed>) = 0 [pid 5185] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5186] setpgid(0, 0 [pid 5185] <... ioctl resumed>) = 0 [pid 5188] <... prctl resumed>) = 0 [pid 5187] <... prctl resumed>) = 0 [pid 5186] <... setpgid resumed>) = 0 [pid 5184] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5183] <... exit_group resumed>) = ? [pid 5188] setpgid(0, 0 [pid 5187] setpgid(0, 0 [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5185] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5188] <... setpgid resumed>) = 0 [pid 5187] <... setpgid resumed>) = 0 [pid 5186] <... openat resumed>) = 3 [pid 5185] <... ioctl resumed>) = 0 [pid 5184] exit_group(0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] write(3, "1000", 4 [pid 5184] <... exit_group resumed>) = ? [pid 5188] <... openat resumed>) = 3 [pid 5186] <... write resumed>) = 4 [pid 5185] poll([{fd=7, events=0}], 1, 0 [pid 5187] <... openat resumed>) = 3 [pid 5185] <... poll resumed>) = 0 (Timeout) [pid 5185] close_range(3, 4294967295, 0) = 0 [pid 5188] write(3, "1000", 4 [pid 5184] +++ exited with 0 +++ [pid 5186] close(3 [pid 5188] <... write resumed>) = 4 [pid 5187] write(3, "1000", 4 [pid 5186] <... close resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5188] close(3 [pid 5187] <... write resumed>) = 4 [pid 5185] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5188] <... close resumed>) = 0 [pid 5187] close(3 [pid 5186] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5185] <... openat resumed>) = 3 [pid 5183] +++ exited with 0 +++ [pid 5188] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5187] <... close resumed>) = 0 [pid 5186] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... restart_syscall resumed>) = 0 [pid 5188] <... openat resumed>) = 3 [pid 5186] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5187] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5186] <... ioctl resumed>) = 0 [pid 5185] read(3, [pid 5186] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5185] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5187] <... openat resumed>) = 3 [pid 5186] <... openat resumed>) = 5 [pid 5186] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5188] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5187] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5185] exit_group(0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5188] <... ioctl resumed>) = 0 [pid 5187] <... ioctl resumed>) = 0 [pid 5186] <... ioctl resumed>) = 0 [pid 5185] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5189 attached [pid 5188] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5187] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5186] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5189] set_robust_list(0x5555735f3660, 24 [pid 5188] <... openat resumed>) = 5 [pid 5187] <... openat resumed>) = 5 [pid 5186] <... ioctl resumed>) = 0 [pid 5185] +++ exited with 0 +++ [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5189 [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5187] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5186] poll([{fd=7, events=0}], 1, 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5188] <... ioctl resumed>) = 0 [pid 5187] <... ioctl resumed>) = 0 [pid 5186] <... poll resumed>) = 0 (Timeout) [pid 5186] close_range(3, 4294967295, 0 [pid 5189] <... prctl resumed>) = 0 [pid 5188] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5187] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5186] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5190 attached [pid 5189] setpgid(0, 0 [pid 5188] <... ioctl resumed>) = 0 [pid 5190] set_robust_list(0x5555735f3660, 24 [pid 5189] <... setpgid resumed>) = 0 [pid 5188] poll([{fd=7, events=0}], 1, 0 [pid 5187] <... ioctl resumed>) = 0 [pid 5186] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5190 [pid 5190] <... set_robust_list resumed>) = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5188] <... poll resumed>) = 0 (Timeout) [pid 5187] poll([{fd=7, events=0}], 1, 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5187] <... poll resumed>) = 0 (Timeout) [pid 5188] close_range(3, 4294967295, 0 [pid 5189] <... openat resumed>) = 3 [pid 5188] <... close_range resumed>) = 0 [pid 5187] close_range(3, 4294967295, 0 [pid 5186] <... openat resumed>) = 3 [pid 5190] <... prctl resumed>) = 0 [pid 5190] setpgid(0, 0 [pid 5189] write(3, "1000", 4 [pid 5187] <... close_range resumed>) = 0 [pid 5186] read(3, ./strace-static-x86_64: Process 5191 attached [pid 5190] <... setpgid resumed>) = 0 [pid 5189] <... write resumed>) = 4 [pid 5186] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5188] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5187] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5189] close(3 [pid 5186] exit_group(0 [pid 5191] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5191 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5190] <... openat resumed>) = 3 [pid 5189] <... close resumed>) = 0 [pid 5188] <... openat resumed>) = 3 [pid 5188] read(3, [pid 5187] <... openat resumed>) = 3 [pid 5186] <... exit_group resumed>) = ? [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] write(3, "1000", 4 [pid 5189] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5188] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5187] read(3, [pid 5190] <... write resumed>) = 4 [pid 5191] <... prctl resumed>) = 0 [pid 5190] close(3 [pid 5191] setpgid(0, 0 [pid 5190] <... close resumed>) = 0 [pid 5189] <... openat resumed>) = 3 [pid 5188] exit_group(0 [pid 5187] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5191] <... setpgid resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5188] <... exit_group resumed>) = ? [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5190] <... openat resumed>) = 3 [pid 5189] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5187] exit_group(0 [pid 5186] +++ exited with 0 +++ [pid 5191] <... openat resumed>) = 3 [pid 5190] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5189] <... ioctl resumed>) = 0 [pid 5187] <... exit_group resumed>) = ? [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5190] <... ioctl resumed>) = 0 [pid 5190] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5191] write(3, "1000", 4 [pid 5190] <... openat resumed>) = 5 [pid 5191] <... write resumed>) = 4 [pid 5191] close(3 [pid 5190] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5191] <... close resumed>) = 0 [pid 5190] <... ioctl resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5190] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5187] +++ exited with 0 +++ [pid 5191] <... openat resumed>) = 3 [pid 5189] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5190] poll([{fd=7, events=0}], 1, 0 [pid 5191] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5190] <... poll resumed>) = 0 (Timeout) [pid 5189] <... openat resumed>) = 5 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] close_range(3, 4294967295, 0 [pid 5189] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5191] <... ioctl resumed>) = 0 [pid 5189] <... ioctl resumed>) = 0 [pid 5190] <... close_range resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5190] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5189] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5188] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5191] <... openat resumed>) = 5 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5190] <... openat resumed>) = 3 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5189] <... ioctl resumed>) = 0 [pid 5191] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5191] <... ioctl resumed>) = 0 [pid 5189] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5189] close_range(3, 4294967295, 0 [pid 5191] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5190] read(3, [pid 5189] <... close_range resumed>) = 0 [pid 5191] <... ioctl resumed>) = 0 [pid 5190] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5190] exit_group(0./strace-static-x86_64: Process 5193 attached ./strace-static-x86_64: Process 5192 attached [pid 5191] poll([{fd=7, events=0}], 1, 0 [pid 5189] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5192 ./strace-static-x86_64: Process 5194 attached [pid 5193] set_robust_list(0x5555735f3660, 24 [pid 5192] set_robust_list(0x5555735f3660, 24 [pid 5190] <... exit_group resumed>) = ? [pid 5189] <... openat resumed>) = 3 [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5189] read(3, [pid 5192] <... prctl resumed>) = 0 [pid 5192] setpgid(0, 0 [pid 5189] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5194] set_robust_list(0x5555735f3660, 24 [pid 5193] <... prctl resumed>) = 0 [pid 5192] <... setpgid resumed>) = 0 [pid 5189] exit_group(0 [pid 5191] <... poll resumed>) = 0 (Timeout) [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5194 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5193 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5193] setpgid(0, 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5189] <... exit_group resumed>) = ? [pid 5191] close_range(3, 4294967295, 0 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5193] <... setpgid resumed>) = 0 [pid 5190] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5189] +++ exited with 0 +++ [pid 5191] <... close_range resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5194] <... prctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] setpgid(0, 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5192] <... openat resumed>) = 3 [pid 5191] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5195 attached [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5191] <... openat resumed>) = 3 [pid 5195] set_robust_list(0x5555735f3660, 24 [pid 5194] <... openat resumed>) = 3 [pid 5193] <... openat resumed>) = 3 [pid 5192] write(3, "1000", 4 [pid 5191] read(3, [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5195 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5196 attached ) = 0 [pid 5194] write(3, "1000", 4 [pid 5193] write(3, "1000", 4 [pid 5192] <... write resumed>) = 4 [pid 5191] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5196] set_robust_list(0x5555735f3660, 24 [pid 5195] setpgid(0, 0 [pid 5194] <... write resumed>) = 4 [pid 5193] <... write resumed>) = 4 [pid 5192] close(3 [pid 5191] exit_group(0 [pid 5196] <... set_robust_list resumed>) = 0 [pid 5195] <... setpgid resumed>) = 0 [pid 5194] close(3 [pid 5193] close(3 [pid 5192] <... close resumed>) = 0 [pid 5191] <... exit_group resumed>) = ? [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5196 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5194] <... close resumed>) = 0 [pid 5193] <... close resumed>) = 0 [pid 5192] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5196] <... prctl resumed>) = 0 [pid 5196] setpgid(0, 0 [pid 5194] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5193] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5195] <... openat resumed>) = 3 [pid 5192] <... openat resumed>) = 3 [pid 5196] <... setpgid resumed>) = 0 [pid 5194] <... openat resumed>) = 3 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5193] <... openat resumed>) = 3 [pid 5192] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5195] write(3, "1000", 4 [pid 5192] <... ioctl resumed>) = 0 [pid 5191] +++ exited with 0 +++ [pid 5195] <... write resumed>) = 4 [pid 5194] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5193] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5196] <... openat resumed>) = 3 [pid 5195] close(3 [pid 5194] <... ioctl resumed>) = 0 [pid 5193] <... ioctl resumed>) = 0 [pid 5192] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5196] write(3, "1000", 4 [pid 5195] <... close resumed>) = 0 [pid 5194] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5193] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5192] <... openat resumed>) = 5 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5196] <... write resumed>) = 4 [pid 5195] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5194] <... openat resumed>) = 5 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5196] close(3 [pid 5195] <... openat resumed>) = 3 [pid 5194] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5193] <... openat resumed>) = 5 [pid 5192] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5196] <... close resumed>) = 0 [pid 5196] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5195] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5194] <... ioctl resumed>) = 0 [pid 5193] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5192] <... ioctl resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] <... openat resumed>) = 3 [pid 5195] <... ioctl resumed>) = 0 [pid 5194] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5193] <... ioctl resumed>) = 0 [pid 5192] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5195] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5193] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5195] <... openat resumed>) = 5 [pid 5193] <... ioctl resumed>) = 0 [pid 5196] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5197 attached [pid 5195] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5197] set_robust_list(0x5555735f3660, 24 [pid 5195] <... ioctl resumed>) = 0 [pid 5194] <... ioctl resumed>) = 0 [pid 5193] poll([{fd=7, events=0}], 1, 0 [pid 5192] <... ioctl resumed>) = 0 [pid 5197] <... set_robust_list resumed>) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5195] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5193] <... poll resumed>) = 0 (Timeout) [pid 5195] <... ioctl resumed>) = 0 [pid 5193] close_range(3, 4294967295, 0 [pid 5197] <... prctl resumed>) = 0 [pid 5196] <... ioctl resumed>) = 0 [pid 5195] poll([{fd=7, events=0}], 1, 0 [pid 5194] poll([{fd=7, events=0}], 1, 0 [pid 5193] <... close_range resumed>) = 0 [pid 5192] poll([{fd=7, events=0}], 1, 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5197 [pid 5197] setpgid(0, 0 [pid 5196] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5194] <... poll resumed>) = 0 (Timeout) [pid 5192] <... poll resumed>) = 0 (Timeout) [pid 5195] <... poll resumed>) = 0 (Timeout) [pid 5194] close_range(3, 4294967295, 0 [pid 5193] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5192] close_range(3, 4294967295, 0 [pid 5196] <... openat resumed>) = 5 [pid 5195] close_range(3, 4294967295, 0 [pid 5193] <... openat resumed>) = 3 [pid 5197] <... setpgid resumed>) = 0 [pid 5195] <... close_range resumed>) = 0 [pid 5194] <... close_range resumed>) = 0 [pid 5193] read(3, [pid 5196] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5192] <... close_range resumed>) = 0 [pid 5195] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5193] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5195] <... openat resumed>) = 3 [pid 5193] exit_group(0 [pid 5195] read(3, [pid 5193] <... exit_group resumed>) = ? [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] <... ioctl resumed>) = 0 [pid 5195] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5194] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5192] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5196] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5195] exit_group(0 [pid 5192] <... openat resumed>) = 3 [pid 5196] <... ioctl resumed>) = 0 [pid 5192] read(3, [pid 5195] <... exit_group resumed>) = ? [pid 5194] <... openat resumed>) = 3 [pid 5197] <... openat resumed>) = 3 [pid 5197] write(3, "1000", 4 [pid 5196] poll([{fd=7, events=0}], 1, 0 [pid 5194] read(3, [pid 5192] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5197] <... write resumed>) = 4 [pid 5196] <... poll resumed>) = 0 (Timeout) [pid 5194] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5192] exit_group(0 [pid 5197] close(3 [pid 5196] close_range(3, 4294967295, 0 [pid 5194] exit_group(0 [pid 5192] <... exit_group resumed>) = ? [pid 5197] <... close resumed>) = 0 [pid 5196] <... close_range resumed>) = 0 [pid 5195] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5197] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5196] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5194] <... exit_group resumed>) = ? [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5197] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5196] <... openat resumed>) = 3 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5197] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5196] read(3, [pid 5096] <... restart_syscall resumed>) = 0 [pid 5197] <... ioctl resumed>) = 0 [pid 5196] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5197] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5196] exit_group(0 [pid 5197] <... openat resumed>) = 5 [pid 5196] <... exit_group resumed>) = ? [pid 5197] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5198 ./strace-static-x86_64: Process 5198 attached [pid 5198] set_robust_list(0x5555735f3660, 24 [pid 5192] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5198] <... set_robust_list resumed>) = 0 [pid 5196] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5197] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5198] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5200 attached ./strace-static-x86_64: Process 5199 attached [pid 5197] <... ioctl resumed>) = 0 [pid 5194] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] poll([{fd=7, events=0}], 1, 0 [pid 5200] set_robust_list(0x5555735f3660, 24 [pid 5199] set_robust_list(0x5555735f3660, 24 [pid 5198] setpgid(0, 0 [pid 5197] <... poll resumed>) = 0 (Timeout) [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5200 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5199 [pid 5200] <... set_robust_list resumed>) = 0 [pid 5199] <... set_robust_list resumed>) = 0 [pid 5198] <... setpgid resumed>) = 0 [pid 5197] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5201 attached [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5197] <... close_range resumed>) = 0 [pid 5200] <... prctl resumed>) = 0 [pid 5199] <... prctl resumed>) = 0 [pid 5197] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5201] set_robust_list(0x5555735f3660, 24 [pid 5199] setpgid(0, 0 [pid 5198] <... openat resumed>) = 3 [pid 5197] <... openat resumed>) = 3 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5201 [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] setpgid(0, 0 [pid 5199] <... setpgid resumed>) = 0 [pid 5198] write(3, "1000", 4 [pid 5197] read(3, [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] <... setpgid resumed>) = 0 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] <... write resumed>) = 4 [pid 5201] <... prctl resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5198] close(3 [pid 5197] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5201] setpgid(0, 0 [pid 5199] <... openat resumed>) = 3 [pid 5198] <... close resumed>) = 0 [pid 5197] exit_group(0 [pid 5201] <... setpgid resumed>) = 0 [pid 5200] <... openat resumed>) = 3 [pid 5198] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5202 attached [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5200] write(3, "1000", 4 [pid 5199] write(3, "1000", 4 [pid 5198] <... openat resumed>) = 3 [pid 5197] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5202 [pid 5202] set_robust_list(0x5555735f3660, 24 [pid 5201] <... openat resumed>) = 3 [pid 5200] <... write resumed>) = 4 [pid 5199] <... write resumed>) = 4 [pid 5198] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5201] write(3, "1000", 4 [pid 5199] close(3 [pid 5200] close(3 [pid 5201] <... write resumed>) = 4 [pid 5199] <... close resumed>) = 0 [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] close(3 [pid 5200] <... close resumed>) = 0 [pid 5198] <... ioctl resumed>) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] <... close resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5199] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5197] +++ exited with 0 +++ [pid 5202] <... prctl resumed>) = 0 [pid 5201] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5200] <... openat resumed>) = 3 [pid 5199] <... openat resumed>) = 3 [pid 5198] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5202] setpgid(0, 0 [pid 5201] <... openat resumed>) = 3 [pid 5200] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5198] <... openat resumed>) = 5 [pid 5199] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5202] <... setpgid resumed>) = 0 [pid 5201] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5200] <... ioctl resumed>) = 0 [pid 5199] <... ioctl resumed>) = 0 [pid 5198] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... ioctl resumed>) = 0 [pid 5200] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5198] <... ioctl resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5199] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5202] <... openat resumed>) = 3 [pid 5201] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5199] <... openat resumed>) = 5 [pid 5198] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5200] <... openat resumed>) = 5 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5201] <... openat resumed>) = 5 [pid 5201] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5200] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5198] <... ioctl resumed>) = 0 [pid 5202] write(3, "1000", 4 [pid 5201] <... ioctl resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5199] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5198] poll([{fd=7, events=0}], 1, 0 [pid 5202] <... write resumed>) = 4 [pid 5201] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5200] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5199] <... ioctl resumed>) = 0 [pid 5198] <... poll resumed>) = 0 (Timeout) [pid 5202] close(3 [pid 5201] <... ioctl resumed>) = 0 [pid 5200] <... ioctl resumed>) = 0 [pid 5202] <... close resumed>) = 0 [pid 5198] close_range(3, 4294967295, 0 [pid 5202] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5200] poll([{fd=7, events=0}], 1, 0 [pid 5202] <... openat resumed>) = 3 [pid 5201] poll([{fd=7, events=0}], 1, 0 [pid 5200] <... poll resumed>) = 0 (Timeout) [pid 5199] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5202] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5200] close_range(3, 4294967295, 0 [pid 5199] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5203 attached [pid 5201] <... poll resumed>) = 0 (Timeout) [pid 5200] <... close_range resumed>) = 0 [pid 5199] poll([{fd=7, events=0}], 1, 0 [pid 5198] <... close_range resumed>) = 0 [pid 5202] <... ioctl resumed>) = 0 [pid 5201] close_range(3, 4294967295, 0 [pid 5199] <... poll resumed>) = 0 (Timeout) [pid 5203] set_robust_list(0x5555735f3660, 24 [pid 5202] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5200] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5199] close_range(3, 4294967295, 0 [pid 5198] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5203 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] <... openat resumed>) = 5 [pid 5201] <... close_range resumed>) = 0 [pid 5200] <... openat resumed>) = 3 [pid 5199] <... close_range resumed>) = 0 [pid 5198] <... openat resumed>) = 3 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5202] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5201] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5198] read(3, [pid 5203] <... prctl resumed>) = 0 [pid 5202] <... ioctl resumed>) = 0 [pid 5200] read(3, [pid 5199] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5201] <... openat resumed>) = 3 [pid 5203] setpgid(0, 0 [pid 5202] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5201] read(3, [pid 5200] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5199] <... openat resumed>) = 3 [pid 5198] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5203] <... setpgid resumed>) = 0 [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5202] <... ioctl resumed>) = 0 [pid 5200] exit_group(0 [pid 5199] read(3, [pid 5198] exit_group(0 [pid 5202] poll([{fd=7, events=0}], 1, 0 [pid 5201] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5200] <... exit_group resumed>) = ? [pid 5199] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5198] <... exit_group resumed>) = ? [pid 5203] <... openat resumed>) = 3 [pid 5202] <... poll resumed>) = 0 (Timeout) [pid 5201] exit_group(0 [pid 5202] close_range(3, 4294967295, 0 [pid 5201] <... exit_group resumed>) = ? [pid 5203] write(3, "1000", 4 [pid 5199] exit_group(0 [pid 5203] <... write resumed>) = 4 [pid 5202] <... close_range resumed>) = 0 [pid 5200] +++ exited with 0 +++ [pid 5199] <... exit_group resumed>) = ? [pid 5203] close(3 [pid 5202] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5198] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5203] <... close resumed>) = 0 [pid 5202] <... openat resumed>) = 3 [pid 5199] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5203] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5202] read(3, [pid 5203] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5202] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5203] <... ioctl resumed>) = 0 [pid 5202] exit_group(0 [pid 5201] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5204 attached [pid 5203] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5202] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... restart_syscall resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5204 [pid 5204] set_robust_list(0x5555735f3660, 24 [pid 5203] <... openat resumed>) = 5 [pid 5203] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5204] <... set_robust_list resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5205 attached [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] <... ioctl resumed>) = 0 [pid 5204] <... prctl resumed>) = 0 [pid 5205] set_robust_list(0x5555735f3660, 24 [pid 5203] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5206 attached [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] setpgid(0, 0 [pid 5203] <... ioctl resumed>) = 0 [pid 5202] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5205 [pid 5206] set_robust_list(0x5555735f3660, 24 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] poll([{fd=7, events=0}], 1, 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5206] <... set_robust_list resumed>) = 0 [pid 5205] <... prctl resumed>) = 0 [pid 5203] <... poll resumed>) = 0 (Timeout) [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5206 [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] setpgid(0, 0 [pid 5203] close_range(3, 4294967295, 0 [pid 5205] <... setpgid resumed>) = 0 [pid 5204] <... setpgid resumed>) = 0 [pid 5203] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5207 attached [pid 5206] <... prctl resumed>) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5207] set_robust_list(0x5555735f3660, 24) = 0 [pid 5206] setpgid(0, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5207 [pid 5205] <... openat resumed>) = 3 [pid 5204] <... openat resumed>) = 3 [pid 5203] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5205] write(3, "1000", 4 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5206] <... setpgid resumed>) = 0 [pid 5205] <... write resumed>) = 4 [pid 5203] read(3, [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] close(3 [pid 5203] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5207] <... prctl resumed>) = 0 [pid 5205] <... close resumed>) = 0 [pid 5204] write(3, "1000", 4 [pid 5203] exit_group(0 [pid 5205] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5204] <... write resumed>) = 4 [pid 5205] <... openat resumed>) = 3 [pid 5203] <... exit_group resumed>) = ? [pid 5207] setpgid(0, 0 [pid 5205] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5206] <... openat resumed>) = 3 [pid 5204] close(3./strace-static-x86_64: Process 5208 attached [pid 5207] <... setpgid resumed>) = 0 [pid 5206] write(3, "1000", 4 [pid 5204] <... close resumed>) = 0 [pid 5206] <... write resumed>) = 4 [pid 5204] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5206] close(3) = 0 [pid 5204] <... openat resumed>) = 3 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5208 [pid 5206] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5208] set_robust_list(0x5555735f3660, 24 [pid 5207] <... openat resumed>) = 3 [pid 5206] <... openat resumed>) = 3 [pid 5205] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5204] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5205] <... openat resumed>) = 5 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5204] <... ioctl resumed>) = 0 [pid 5208] <... prctl resumed>) = 0 [pid 5207] write(3, "1000", 4 [pid 5206] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5205] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5204] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5208] setpgid(0, 0 [pid 5203] +++ exited with 0 +++ [pid 5205] <... ioctl resumed>) = 0 [pid 5208] <... setpgid resumed>) = 0 [pid 5207] <... write resumed>) = 4 [pid 5206] <... ioctl resumed>) = 0 [pid 5205] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5204] <... openat resumed>) = 5 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5207] close(3 [pid 5206] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5205] <... ioctl resumed>) = 0 [pid 5204] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5209 attached [pid 5207] <... close resumed>) = 0 [pid 5206] <... openat resumed>) = 5 [pid 5204] <... ioctl resumed>) = 0 [pid 5209] set_robust_list(0x5555735f3660, 24 [pid 5208] <... openat resumed>) = 3 [pid 5207] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5205] poll([{fd=7, events=0}], 1, 0 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] write(3, "1000", 4 [pid 5207] <... openat resumed>) = 3 [pid 5206] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5205] <... poll resumed>) = 0 (Timeout) [pid 5204] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5209 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5208] <... write resumed>) = 4 [pid 5207] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5206] <... ioctl resumed>) = 0 [pid 5205] close_range(3, 4294967295, 0 [pid 5204] <... ioctl resumed>) = 0 [pid 5206] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5204] poll([{fd=7, events=0}], 1, 0 [pid 5209] setpgid(0, 0 [pid 5208] close(3 [pid 5207] <... ioctl resumed>) = 0 [pid 5206] <... ioctl resumed>) = 0 [pid 5204] <... poll resumed>) = 0 (Timeout) [pid 5208] <... close resumed>) = 0 [pid 5204] close_range(3, 4294967295, 0 [pid 5209] <... setpgid resumed>) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5206] poll([{fd=7, events=0}], 1, 0 [pid 5204] <... close_range resumed>) = 0 [pid 5206] <... poll resumed>) = 0 (Timeout) [pid 5206] close_range(3, 4294967295, 0 [pid 5208] <... openat resumed>) = 3 [pid 5207] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5205] <... close_range resumed>) = 0 [pid 5204] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5206] <... close_range resumed>) = 0 [pid 5204] <... openat resumed>) = 3 [pid 5206] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5209] <... openat resumed>) = 3 [pid 5208] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5207] <... openat resumed>) = 5 [pid 5206] <... openat resumed>) = 3 [pid 5205] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5204] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5205] <... openat resumed>) = 3 [pid 5206] read(3, [pid 5208] <... ioctl resumed>) = 0 [pid 5206] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 166 [pid 5204] exit_group(0 [pid 5207] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5206] exit_group(0 [pid 5207] <... ioctl resumed>) = 0 [pid 5209] write(3, "1000", 4 [pid 5206] <... exit_group resumed>) = ? [pid 5205] read(3, [pid 5204] <... exit_group resumed>) = ? [pid 5208] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5209] <... write resumed>) = 4 [pid 5207] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5205] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5209] close(3 [pid 5208] <... openat resumed>) = 5 [pid 5209] <... close resumed>) = 0 [pid 5207] <... ioctl resumed>) = 0 [pid 5205] exit_group(0 [pid 5209] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5208] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5209] <... openat resumed>) = 3 [pid 5208] <... ioctl resumed>) = 0 [pid 5207] poll([{fd=7, events=0}], 1, 0 [pid 5206] +++ exited with 0 +++ [pid 5205] <... exit_group resumed>) = ? [pid 5204] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5209] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5208] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5207] <... poll resumed>) = 0 (Timeout) [pid 5100] <... restart_syscall resumed>) = 0 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5209] <... ioctl resumed>) = 0 [pid 5208] <... ioctl resumed>) = 0 [pid 5207] close_range(3, 4294967295, 0 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5207] <... close_range resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5208] poll([{fd=7, events=0}], 1, 0 [pid 5207] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5205] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5210 attached [pid 5209] <... openat resumed>) = 5 [pid 5208] <... poll resumed>) = 0 (Timeout) [pid 5210] set_robust_list(0x5555735f3660, 24) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5210 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5210] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5211 attached [pid 5209] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5208] close_range(3, 4294967295, 0 [pid 5207] <... openat resumed>) = 3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] <... close_range resumed>) = 0 [pid 5210] <... openat resumed>) = 3 [pid 5210] write(3, "1000", 4./strace-static-x86_64: Process 5212 attached [pid 5211] set_robust_list(0x5555735f3660, 24 [pid 5209] <... ioctl resumed>) = 0 [pid 5208] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5207] read(3, [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5211 [pid 5211] <... set_robust_list resumed>) = 0 [pid 5210] <... write resumed>) = 4 [pid 5209] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5207] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5212 [pid 5212] set_robust_list(0x5555735f3660, 24 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5210] close(3 [pid 5208] <... openat resumed>) = 3 [pid 5211] <... prctl resumed>) = 0 [pid 5210] <... close resumed>) = 0 [pid 5209] <... ioctl resumed>) = 0 [pid 5207] exit_group(0 [pid 5211] setpgid(0, 0 [pid 5210] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5211] <... setpgid resumed>) = 0 [pid 5210] <... openat resumed>) = 3 [pid 5207] <... exit_group resumed>) = ? [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] <... set_robust_list resumed>) = 0 [pid 5211] <... openat resumed>) = 3 [pid 5210] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5209] poll([{fd=7, events=0}], 1, 0 [pid 5208] read(3, [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5211] write(3, "1000", 4 [pid 5210] <... ioctl resumed>) = 0 [pid 5209] <... poll resumed>) = 0 (Timeout) [pid 5208] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5207] +++ exited with 0 +++ [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5211] <... write resumed>) = 4 [pid 5210] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5209] close_range(3, 4294967295, 0 [pid 5208] exit_group(0 [pid 5211] close(3 [pid 5210] <... openat resumed>) = 5 [pid 5209] <... close_range resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5212] write(3, "1000", 4 [pid 5211] <... close resumed>) = 0 [pid 5210] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5209] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5208] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5211] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5212] <... write resumed>) = 4 [pid 5211] <... openat resumed>) = 3 [pid 5210] <... ioctl resumed>) = 0 [pid 5209] <... openat resumed>) = 3 [pid 5208] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5211] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5210] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5209] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5210] <... ioctl resumed>) = 0 [pid 5209] exit_group(0 [pid 5212] close(3 [pid 5211] <... ioctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5213 attached [pid 5212] <... close resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5210] poll([{fd=7, events=0}], 1, 0 [pid 5209] <... exit_group resumed>) = ? [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5213] set_robust_list(0x5555735f3660, 24 [pid 5212] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5211] <... openat resumed>) = 5 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5213 [pid 5211] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5210] <... poll resumed>) = 0 (Timeout) [pid 5211] <... ioctl resumed>) = 0 [pid 5212] <... openat resumed>) = 3 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5211] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5210] close_range(3, 4294967295, 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5214 attached ) = 0 [pid 5212] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5211] <... ioctl resumed>) = 0 [pid 5210] <... close_range resumed>) = 0 [pid 5213] setpgid(0, 0 [pid 5214] set_robust_list(0x5555735f3660, 24 [pid 5212] <... ioctl resumed>) = 0 [pid 5213] <... setpgid resumed>) = 0 [pid 5212] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5211] poll([{fd=7, events=0}], 1, 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5214 [pid 5214] <... set_robust_list resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] <... openat resumed>) = 5 [pid 5211] <... poll resumed>) = 0 (Timeout) [pid 5210] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5209] +++ exited with 0 +++ [pid 5211] close_range(3, 4294967295, 0 [pid 5210] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5211] <... close_range resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5213] <... openat resumed>) = 3 [pid 5212] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5211] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5210] read(3, [pid 5214] <... prctl resumed>) = 0 [pid 5214] setpgid(0, 0 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5212] <... ioctl resumed>) = 0 [pid 5210] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5214] <... setpgid resumed>) = 0 [pid 5212] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5213] <... openat resumed>) = 3 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5213] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5212] <... ioctl resumed>) = 0 [pid 5213] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5213] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5214] <... openat resumed>) = 3 [pid 5212] poll([{fd=7, events=0}], 1, 0 [pid 5211] <... openat resumed>) = 3 [pid 5210] exit_group(0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] write(3, "1000", 4 [pid 5213] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5212] <... poll resumed>) = 0 (Timeout) [pid 5211] read(3, [pid 5210] <... exit_group resumed>) = ? [pid 5214] <... write resumed>) = 4 [pid 5213] <... ioctl resumed>) = 0 [pid 5212] close_range(3, 4294967295, 0 [pid 5211] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5214] close(3 [pid 5212] <... close_range resumed>) = 0 [pid 5212] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5212] read(3, [pid 5213] poll([{fd=7, events=0}], 1, 0 [pid 5212] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5210] +++ exited with 0 +++ [pid 5214] <... close resumed>) = 0 [pid 5211] exit_group(0./strace-static-x86_64: Process 5215 attached [pid 5214] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5213] <... poll resumed>) = 0 (Timeout) [pid 5211] <... exit_group resumed>) = ? [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5215] set_robust_list(0x5555735f3660, 24 [pid 5214] <... openat resumed>) = 3 [pid 5213] close_range(3, 4294967295, 0 [pid 5212] exit_group(0 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5215] <... set_robust_list resumed>) = 0 [pid 5214] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5212] <... exit_group resumed>) = ? [pid 5100] <... restart_syscall resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5215 [pid 5213] <... close_range resumed>) = 0 [pid 5211] +++ exited with 0 +++ [pid 5213] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5213] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5213] exit_group(0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5214] <... ioctl resumed>) = 0 [pid 5212] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5215] <... prctl resumed>) = 0 [pid 5214] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5213] <... exit_group resumed>) = ? [pid 5215] setpgid(0, 0 [pid 5214] <... openat resumed>) = 5 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5215] <... setpgid resumed>) = 0 [pid 5214] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... ioctl resumed>) = 0 [pid 5213] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5214] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5098] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5217 attached ./strace-static-x86_64: Process 5216 attached [pid 5215] <... openat resumed>) = 3 [pid 5214] poll([{fd=7, events=0}], 1, 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5217] set_robust_list(0x5555735f3660, 24 [pid 5216] set_robust_list(0x5555735f3660, 24 [pid 5215] write(3, "1000", 4 [pid 5214] <... poll resumed>) = 0 (Timeout) [pid 5217] <... set_robust_list resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5217 [pid 5215] <... write resumed>) = 4 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5214] close_range(3, 4294967295, 0 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5217] setpgid(0, 0./strace-static-x86_64: Process 5219 attached ./strace-static-x86_64: Process 5218 attached [pid 5216] <... set_robust_list resumed>) = 0 [pid 5215] close(3 [pid 5214] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5216 [pid 5219] set_robust_list(0x5555735f3660, 24 [pid 5214] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5219 [pid 5218] set_robust_list(0x5555735f3660, 24 [pid 5217] <... setpgid resumed>) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5215] <... close resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5218 [pid 5219] <... set_robust_list resumed>) = 0 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5214] <... openat resumed>) = 3 [pid 5214] read(3, [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] <... prctl resumed>) = 0 [pid 5215] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5214] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5219] <... prctl resumed>) = 0 [pid 5218] <... prctl resumed>) = 0 [pid 5217] <... openat resumed>) = 3 [pid 5216] setpgid(0, 0 [pid 5214] exit_group(0 [pid 5219] setpgid(0, 0 [pid 5218] setpgid(0, 0 [pid 5217] write(3, "1000", 4 [pid 5216] <... setpgid resumed>) = 0 [pid 5215] <... openat resumed>) = 3 [pid 5214] <... exit_group resumed>) = ? [pid 5219] <... setpgid resumed>) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 5217] <... write resumed>) = 4 [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5215] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5214] +++ exited with 0 +++ [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5219] <... openat resumed>) = 3 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5217] close(3) = 0 [pid 5215] <... ioctl resumed>) = 0 [pid 5216] <... openat resumed>) = 3 [pid 5219] write(3, "1000", 4 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5219] <... write resumed>) = 4 [pid 5218] <... openat resumed>) = 3 [pid 5217] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5216] write(3, "1000", 4 [pid 5215] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5215] <... openat resumed>) = 5 [pid 5217] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5220 attached [pid 5219] <... openat resumed>) = 3 [pid 5218] write(3, "1000", 4 [pid 5216] <... write resumed>) = 4 [pid 5215] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5217] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5220] set_robust_list(0x5555735f3660, 24 [pid 5219] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5218] <... write resumed>) = 4 [pid 5216] close(3 [pid 5215] <... ioctl resumed>) = 0 [pid 5218] close(3 [pid 5216] <... close resumed>) = 0 [pid 5216] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5220] <... set_robust_list resumed>) = 0 [pid 5219] <... ioctl resumed>) = 0 [pid 5218] <... close resumed>) = 0 [pid 5217] <... ioctl resumed>) = 0 [pid 5216] <... openat resumed>) = 3 [pid 5215] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5220 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5218] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5219] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5220] <... prctl resumed>) = 0 [pid 5218] <... openat resumed>) = 3 [pid 5217] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5216] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5215] <... ioctl resumed>) = 0 [pid 5218] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5215] poll([{fd=7, events=0}], 1, 0 [pid 5220] setpgid(0, 0 [pid 5219] <... openat resumed>) = 5 [pid 5218] <... ioctl resumed>) = 0 [pid 5217] <... openat resumed>) = 5 [pid 5215] <... poll resumed>) = 0 (Timeout) [pid 5216] <... ioctl resumed>) = 0 [pid 5220] <... setpgid resumed>) = 0 [pid 5219] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5217] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5219] <... ioctl resumed>) = 0 [pid 5218] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5216] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5215] close_range(3, 4294967295, 0 [pid 5220] <... openat resumed>) = 3 [pid 5219] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5218] <... openat resumed>) = 5 [pid 5217] <... ioctl resumed>) = 0 [pid 5216] <... openat resumed>) = 5 [pid 5215] <... close_range resumed>) = 0 [pid 5218] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5217] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5215] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5220] write(3, "1000", 4 [pid 5219] <... ioctl resumed>) = 0 [pid 5218] <... ioctl resumed>) = 0 [pid 5216] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5220] <... write resumed>) = 4 [pid 5215] <... openat resumed>) = 3 [pid 5220] close(3 [pid 5217] <... ioctl resumed>) = 0 [pid 5216] <... ioctl resumed>) = 0 [pid 5220] <... close resumed>) = 0 [pid 5219] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5220] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5219] close_range(3, 4294967295, 0 [pid 5216] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5220] <... openat resumed>) = 3 [pid 5219] <... close_range resumed>) = 0 [pid 5216] <... ioctl resumed>) = 0 [pid 5218] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5215] read(3, [pid 5217] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5220] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5217] close_range(3, 4294967295, 0 [pid 5215] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 349 [pid 5220] <... ioctl resumed>) = 0 [pid 5219] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5216] poll([{fd=7, events=0}], 1, 0 [pid 5220] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5219] <... openat resumed>) = 3 [pid 5218] <... ioctl resumed>) = 0 [pid 5217] <... close_range resumed>) = 0 [pid 5216] <... poll resumed>) = 0 (Timeout) [pid 5215] exit_group(0 [pid 5220] <... openat resumed>) = 5 [pid 5217] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5215] <... exit_group resumed>) = ? [pid 5218] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5216] close_range(3, 4294967295, 0 [pid 5220] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5216] <... close_range resumed>) = 0 [pid 5220] <... ioctl resumed>) = 0 [pid 5219] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5220] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5219] exit_group(0 [pid 5220] poll([{fd=7, events=0}], 1, 0 [pid 5219] <... exit_group resumed>) = ? [pid 5218] close_range(3, 4294967295, 0 [pid 5217] <... openat resumed>) = 3 [pid 5216] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5215] +++ exited with 0 +++ [pid 5220] <... poll resumed>) = 0 (Timeout) [pid 5218] <... close_range resumed>) = 0 [pid 5217] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5217] exit_group(0 [pid 5220] close_range(3, 4294967295, 0 [pid 5217] <... exit_group resumed>) = ? [pid 5216] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5220] <... close_range resumed>) = 0 [pid 5219] +++ exited with 0 +++ [pid 5218] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5216] read(3, [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5218] <... openat resumed>) = 3 [pid 5217] +++ exited with 0 +++ [pid 5216] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5220] <... openat resumed>) = 3 [pid 5218] read(3, [pid 5216] exit_group(0 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5220] read(3, [pid 5096] <... restart_syscall resumed>) = 0 [pid 5220] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5218] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5216] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] exit_group(0 [pid 5220] exit_group(0) = ? [pid 5218] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5221 attached ./strace-static-x86_64: Process 5223 attached ./strace-static-x86_64: Process 5222 attached [pid 5220] +++ exited with 0 +++ [pid 5221] set_robust_list(0x5555735f3660, 24 [pid 5218] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5221 [pid 5223] set_robust_list(0x5555735f3660, 24 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5223 [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] set_robust_list(0x5555735f3660, 24 [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5222 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5222] <... set_robust_list resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5221] <... prctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... restart_syscall resumed>) = 0 [pid 5223] <... prctl resumed>) = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5221] setpgid(0, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5224 attached [pid 5223] setpgid(0, 0 [pid 5222] <... prctl resumed>) = 0 [pid 5221] <... setpgid resumed>) = 0 [pid 5224] set_robust_list(0x5555735f3660, 24 [pid 5223] <... setpgid resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5225 attached [pid 5222] setpgid(0, 0 [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5224 [pid 5225] set_robust_list(0x5555735f3660, 24 [pid 5224] <... set_robust_list resumed>) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5222] <... setpgid resumed>) = 0 [pid 5225] <... set_robust_list resumed>) = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5223] <... openat resumed>) = 3 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5221] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5225 ./strace-static-x86_64: Process 5226 attached [pid 5224] <... prctl resumed>) = 0 [pid 5223] write(3, "1000", 4 [pid 5226] set_robust_list(0x5555735f3660, 24 [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] setpgid(0, 0 [pid 5223] <... write resumed>) = 4 [pid 5222] <... openat resumed>) = 3 [pid 5221] write(3, "1000", 4 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5226 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... prctl resumed>) = 0 [pid 5224] <... setpgid resumed>) = 0 [pid 5223] close(3 [pid 5221] <... write resumed>) = 4 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] setpgid(0, 0 [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] <... close resumed>) = 0 [pid 5222] write(3, "1000", 4 [pid 5221] close(3 [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... setpgid resumed>) = 0 [pid 5222] <... write resumed>) = 4 [pid 5221] <... close resumed>) = 0 [pid 5226] setpgid(0, 0 [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] <... openat resumed>) = 3 [pid 5223] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5222] close(3 [pid 5221] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5226] <... setpgid resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5223] <... openat resumed>) = 3 [pid 5222] <... close resumed>) = 0 [pid 5226] <... openat resumed>) = 3 [pid 5224] write(3, "1000", 4 [pid 5222] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5224] <... write resumed>) = 4 [pid 5223] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5221] <... openat resumed>) = 3 [pid 5226] write(3, "1000", 4 [pid 5225] <... openat resumed>) = 3 [pid 5224] close(3 [pid 5223] <... ioctl resumed>) = 0 [pid 5226] <... write resumed>) = 4 [pid 5224] <... close resumed>) = 0 [pid 5226] close(3 [pid 5225] write(3, "1000", 4 [pid 5224] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5223] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5222] <... openat resumed>) = 3 [pid 5221] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5226] <... close resumed>) = 0 [pid 5225] <... write resumed>) = 4 [pid 5224] <... openat resumed>) = 3 [pid 5223] <... openat resumed>) = 5 [pid 5222] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5221] <... ioctl resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5225] close(3 [pid 5226] <... openat resumed>) = 3 [pid 5225] <... close resumed>) = 0 [pid 5224] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5223] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5222] <... ioctl resumed>) = 0 [pid 5221] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5226] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5225] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5224] <... ioctl resumed>) = 0 [pid 5223] <... ioctl resumed>) = 0 [pid 5225] <... openat resumed>) = 3 [pid 5222] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5221] <... openat resumed>) = 5 [pid 5226] <... ioctl resumed>) = 0 [pid 5224] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5226] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5225] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5223] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5222] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5221] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5225] <... ioctl resumed>) = 0 [pid 5224] <... openat resumed>) = 5 [pid 5223] <... ioctl resumed>) = 0 [pid 5222] <... ioctl resumed>) = 0 [pid 5226] <... openat resumed>) = 5 [pid 5225] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5222] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5221] <... ioctl resumed>) = 0 [pid 5223] poll([{fd=7, events=0}], 1, 0 [pid 5226] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5224] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5223] <... poll resumed>) = 0 (Timeout) [pid 5221] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5225] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5222] <... ioctl resumed>) = 0 [pid 5221] <... ioctl resumed>) = 0 [pid 5226] <... ioctl resumed>) = 0 [pid 5225] <... ioctl resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5223] close_range(3, 4294967295, 0 [pid 5222] poll([{fd=7, events=0}], 1, 0 [pid 5221] poll([{fd=7, events=0}], 1, 0 [pid 5226] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5225] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5224] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5223] <... close_range resumed>) = 0 [pid 5222] <... poll resumed>) = 0 (Timeout) [pid 5221] <... poll resumed>) = 0 (Timeout) [pid 5223] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5221] close_range(3, 4294967295, 0 [pid 5226] <... ioctl resumed>) = 0 [pid 5225] <... ioctl resumed>) = 0 [pid 5224] <... ioctl resumed>) = 0 [pid 5223] <... openat resumed>) = 3 [pid 5222] close_range(3, 4294967295, 0 [pid 5221] <... close_range resumed>) = 0 [pid 5223] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 424 [pid 5221] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5226] poll([{fd=7, events=0}], 1, 0 [pid 5225] poll([{fd=7, events=0}], 1, 0 [pid 5224] poll([{fd=7, events=0}], 1, 0 [pid 5223] exit_group(0 [pid 5222] <... close_range resumed>) = 0 [pid 5226] <... poll resumed>) = 0 (Timeout) [pid 5225] <... poll resumed>) = 0 (Timeout) [pid 5224] <... poll resumed>) = 0 (Timeout) [pid 5223] <... exit_group resumed>) = ? [pid 5221] read(3, [pid 5226] close_range(3, 4294967295, 0 [pid 5224] close_range(3, 4294967295, 0 [pid 5226] <... close_range resumed>) = 0 [pid 5225] close_range(3, 4294967295, 0 [pid 5224] <... close_range resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5226] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5225] <... close_range resumed>) = 0 [pid 5222] <... openat resumed>) = 3 [pid 5221] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5226] <... openat resumed>) = 3 [pid 5224] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5226] read(3, [pid 5225] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5224] <... openat resumed>) = 3 [pid 5222] read(3, [pid 5226] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5224] read(3, [pid 5223] +++ exited with 0 +++ [pid 5222] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5221] exit_group(0 [pid 5226] exit_group(0 [pid 5225] <... openat resumed>) = 3 [pid 5224] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5222] exit_group(0 [pid 5221] <... exit_group resumed>) = ? [pid 5226] <... exit_group resumed>) = ? [pid 5225] read(3, [pid 5224] exit_group(0 [pid 5222] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5225] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5226] +++ exited with 0 +++ [pid 5225] exit_group(0 [pid 5224] <... exit_group resumed>) = ? [pid 5222] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5225] <... exit_group resumed>) = ? [pid 5221] +++ exited with 0 +++ [pid 5102] <... restart_syscall resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5224] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5225] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... restart_syscall resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5230 attached ./strace-static-x86_64: Process 5229 attached ./strace-static-x86_64: Process 5227 attached ./strace-static-x86_64: Process 5228 attached [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5228 [pid 5230] set_robust_list(0x5555735f3660, 24 [pid 5229] set_robust_list(0x5555735f3660, 24 [pid 5227] set_robust_list(0x5555735f3660, 24 [pid 5228] set_robust_list(0x5555735f3660, 24 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5230 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5227 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5229 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] <... set_robust_list resumed>) = 0 [pid 5229] <... set_robust_list resumed>) = 0 [pid 5227] <... set_robust_list resumed>) = 0 [pid 5228] <... set_robust_list resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5230] <... prctl resumed>) = 0 [pid 5229] <... prctl resumed>) = 0 [pid 5227] <... prctl resumed>) = 0 [pid 5230] setpgid(0, 0 [pid 5229] setpgid(0, 0 [pid 5227] setpgid(0, 0 [pid 5228] <... prctl resumed>) = 0 [pid 5230] <... setpgid resumed>) = 0 [pid 5228] setpgid(0, 0 [pid 5229] <... setpgid resumed>) = 0 [pid 5227] <... setpgid resumed>) = 0 [pid 5228] <... setpgid resumed>) = 0 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5230] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5232 attached ./strace-static-x86_64: Process 5231 attached [pid 5229] <... openat resumed>) = 3 [pid 5227] <... openat resumed>) = 3 [pid 5228] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5232 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5231 [pid 5230] write(3, "1000", 4 [pid 5232] set_robust_list(0x5555735f3660, 24 [pid 5231] set_robust_list(0x5555735f3660, 24 [pid 5230] <... write resumed>) = 4 [pid 5229] write(3, "1000", 4 [pid 5227] write(3, "1000", 4 [pid 5228] write(3, "1000", 4 [pid 5232] <... set_robust_list resumed>) = 0 [pid 5231] <... set_robust_list resumed>) = 0 [pid 5230] close(3 [pid 5229] <... write resumed>) = 4 [pid 5227] <... write resumed>) = 4 [pid 5230] <... close resumed>) = 0 [pid 5228] <... write resumed>) = 4 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5230] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5229] close(3 [pid 5227] close(3 [pid 5228] close(3 [pid 5232] <... prctl resumed>) = 0 [pid 5231] <... prctl resumed>) = 0 [pid 5229] <... close resumed>) = 0 [pid 5232] setpgid(0, 0 [pid 5231] setpgid(0, 0 [pid 5230] <... openat resumed>) = 3 [pid 5229] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5227] <... close resumed>) = 0 [pid 5228] <... close resumed>) = 0 [pid 5232] <... setpgid resumed>) = 0 [pid 5231] <... setpgid resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5230] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5228] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5229] <... openat resumed>) = 3 [pid 5227] <... openat resumed>) = 3 [pid 5232] <... openat resumed>) = 3 [pid 5227] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5231] <... openat resumed>) = 3 [pid 5227] <... ioctl resumed>) = 0 [pid 5232] write(3, "1000", 4 [pid 5230] <... ioctl resumed>) = 0 [pid 5229] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5228] <... openat resumed>) = 3 [pid 5232] <... write resumed>) = 4 [pid 5231] write(3, "1000", 4 [pid 5230] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5229] <... ioctl resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5228] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5232] close(3 [pid 5231] <... write resumed>) = 4 [pid 5227] <... openat resumed>) = 5 [pid 5230] <... openat resumed>) = 5 [pid 5232] <... close resumed>) = 0 [pid 5232] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5231] close(3 [pid 5230] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5229] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5227] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5228] <... ioctl resumed>) = 0 [pid 5231] <... close resumed>) = 0 [pid 5227] <... ioctl resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5229] <... openat resumed>) = 5 [pid 5228] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5232] <... openat resumed>) = 3 [pid 5231] <... openat resumed>) = 3 [pid 5230] <... ioctl resumed>) = 0 [pid 5227] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5231] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5227] <... ioctl resumed>) = 0 [pid 5228] <... openat resumed>) = 5 [pid 5230] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5232] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5231] <... ioctl resumed>) = 0 [pid 5229] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5230] <... ioctl resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5227] poll([{fd=7, events=0}], 1, 0 [pid 5232] <... ioctl resumed>) = 0 [pid 5231] <... openat resumed>) = 5 [pid 5230] poll([{fd=7, events=0}], 1, 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5227] <... poll resumed>) = 0 (Timeout) [pid 5228] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5231] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5227] close_range(3, 4294967295, 0 [pid 5230] <... poll resumed>) = 0 (Timeout) [pid 5229] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5227] <... close_range resumed>) = 0 [pid 5228] <... ioctl resumed>) = 0 [pid 5232] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5231] <... ioctl resumed>) = 0 [pid 5230] close_range(3, 4294967295, 0 [pid 5229] <... ioctl resumed>) = 0 [pid 5231] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5232] <... openat resumed>) = 5 [pid 5231] <... ioctl resumed>) = 0 [pid 5227] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5232] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5231] poll([{fd=7, events=0}], 1, 0 [pid 5230] <... close_range resumed>) = 0 [pid 5229] poll([{fd=7, events=0}], 1, 0 [pid 5227] <... openat resumed>) = 3 [pid 5228] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5231] <... poll resumed>) = 0 (Timeout) [pid 5232] <... ioctl resumed>) = 0 [pid 5231] close_range(3, 4294967295, 0 [pid 5229] <... poll resumed>) = 0 (Timeout) [pid 5232] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5231] <... close_range resumed>) = 0 [pid 5230] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5229] close_range(3, 4294967295, 0 [pid 5227] read(3, [pid 5228] <... ioctl resumed>) = 0 [pid 5231] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5231] read(3, [pid 5232] <... ioctl resumed>) = 0 [pid 5230] <... openat resumed>) = 3 [pid 5229] <... close_range resumed>) = 0 [pid 5227] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5228] poll([{fd=7, events=0}], 1, 0 [pid 5232] poll([{fd=7, events=0}], 1, 0 [pid 5231] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5230] read(3, [pid 5228] <... poll resumed>) = 0 (Timeout) [pid 5232] <... poll resumed>) = 0 (Timeout) [pid 5230] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5228] close_range(3, 4294967295, 0 [pid 5232] close_range(3, 4294967295, 0 [pid 5231] exit_group(0 [pid 5230] exit_group(0 [pid 5228] <... close_range resumed>) = 0 [pid 5232] <... close_range resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5227] exit_group(0 [pid 5231] <... exit_group resumed>) = ? [pid 5232] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5230] <... exit_group resumed>) = ? [pid 5228] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5232] <... openat resumed>) = 3 [pid 5231] +++ exited with 0 +++ [pid 5230] +++ exited with 0 +++ [pid 5229] <... openat resumed>) = 3 [pid 5227] <... exit_group resumed>) = ? [pid 5228] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5232] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5229] read(3, [pid 5228] read(3, [pid 5232] exit_group(0 [pid 5229] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5228] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] <... exit_group resumed>) = ? [pid 5228] exit_group(0 [pid 5229] exit_group(0 [pid 5227] +++ exited with 0 +++ [pid 5228] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5233 attached [pid 5229] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5233 [pid 5233] set_robust_list(0x5555735f3660, 24 [pid 5229] +++ exited with 0 +++ [pid 5233] <... set_robust_list resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5234 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5233] setpgid(0, 0./strace-static-x86_64: Process 5234 attached ./strace-static-x86_64: Process 5235 attached [pid 5234] set_robust_list(0x5555735f3660, 24 [pid 5233] <... setpgid resumed>) = 0 [pid 5232] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5234] <... set_robust_list resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5235 [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] <... prctl resumed>) = 0 [pid 5234] setpgid(0, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5235] set_robust_list(0x5555735f3660, 24 [pid 5234] <... setpgid resumed>) = 0 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5233] <... openat resumed>) = 3 [pid 5234] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5237 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x5555735f3660, 24 [pid 5234] write(3, "1000", 4 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5234] <... write resumed>) = 4 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] close(3) = 0 [pid 5237] <... prctl resumed>) = 0 [pid 5234] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5237] setpgid(0, 0 [pid 5233] write(3, "1000", 4 [pid 5237] <... setpgid resumed>) = 0 [pid 5234] <... openat resumed>) = 3 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5235] <... prctl resumed>) = 0 [pid 5233] <... write resumed>) = 4 ./strace-static-x86_64: Process 5236 attached [pid 5235] setpgid(0, 0 [pid 5234] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5233] close(3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5236 ./strace-static-x86_64: Process 5238 attached [pid 5236] set_robust_list(0x5555735f3660, 24 [pid 5237] <... openat resumed>) = 3 [pid 5235] <... setpgid resumed>) = 0 [pid 5234] <... ioctl resumed>) = 0 [pid 5236] <... set_robust_list resumed>) = 0 [pid 5233] <... close resumed>) = 0 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5238 [pid 5238] set_robust_list(0x5555735f3660, 24 [pid 5236] <... prctl resumed>) = 0 [pid 5237] write(3, "1000", 4 [pid 5234] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5236] setpgid(0, 0 [pid 5237] <... write resumed>) = 4 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5235] <... openat resumed>) = 3 [pid 5233] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5238] <... prctl resumed>) = 0 [pid 5236] <... setpgid resumed>) = 0 [pid 5237] close(3 [pid 5235] write(3, "1000", 4 [pid 5234] <... openat resumed>) = 5 [pid 5233] <... openat resumed>) = 3 [pid 5238] setpgid(0, 0 [pid 5235] <... write resumed>) = 4 [pid 5233] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5238] <... setpgid resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] <... close resumed>) = 0 [pid 5235] close(3 [pid 5234] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5233] <... ioctl resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5235] <... close resumed>) = 0 [pid 5234] <... ioctl resumed>) = 0 [pid 5233] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5237] <... openat resumed>) = 3 [pid 5235] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5234] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5233] <... openat resumed>) = 5 [pid 5235] <... openat resumed>) = 3 [pid 5233] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5236] <... openat resumed>) = 3 [pid 5235] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5234] <... ioctl resumed>) = 0 [pid 5233] <... ioctl resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5236] write(3, "1000", 4 [pid 5237] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5235] <... ioctl resumed>) = 0 [pid 5234] poll([{fd=7, events=0}], 1, 0 [pid 5233] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5238] write(3, "1000", 4 [pid 5236] <... write resumed>) = 4 [pid 5237] <... ioctl resumed>) = 0 [pid 5238] <... write resumed>) = 4 [pid 5236] close(3 [pid 5237] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5234] <... poll resumed>) = 0 (Timeout) [pid 5233] <... ioctl resumed>) = 0 [pid 5238] close(3 [pid 5236] <... close resumed>) = 0 [pid 5237] <... openat resumed>) = 5 [pid 5235] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5234] close_range(3, 4294967295, 0 [pid 5233] poll([{fd=7, events=0}], 1, 0 [pid 5238] <... close resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5237] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5238] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5237] <... ioctl resumed>) = 0 [pid 5233] <... poll resumed>) = 0 (Timeout) [pid 5236] <... openat resumed>) = 3 [pid 5237] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5234] <... close_range resumed>) = 0 [pid 5238] <... openat resumed>) = 3 [pid 5236] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5237] <... ioctl resumed>) = 0 [pid 5235] <... openat resumed>) = 5 [pid 5233] close_range(3, 4294967295, 0 [pid 5234] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5238] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5237] poll([{fd=7, events=0}], 1, 0 [pid 5235] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5234] <... openat resumed>) = 3 [pid 5233] <... close_range resumed>) = 0 [pid 5238] <... ioctl resumed>) = 0 [pid 5235] <... ioctl resumed>) = 0 [pid 5237] <... poll resumed>) = 0 (Timeout) [pid 5235] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5234] read(3, [pid 5238] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5236] <... ioctl resumed>) = 0 [pid 5237] close_range(3, 4294967295, 0 [pid 5235] <... ioctl resumed>) = 0 [pid 5234] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 336 [pid 5233] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5238] <... openat resumed>) = 5 [pid 5236] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5238] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5236] <... openat resumed>) = 5 [pid 5235] poll([{fd=7, events=0}], 1, 0 [pid 5234] exit_group(0 [pid 5233] <... openat resumed>) = 3 [pid 5237] <... close_range resumed>) = 0 [pid 5236] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5235] <... poll resumed>) = 0 (Timeout) [pid 5234] <... exit_group resumed>) = ? [pid 5238] <... ioctl resumed>) = 0 [pid 5236] <... ioctl resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5235] close_range(3, 4294967295, 0 [pid 5233] read(3, [pid 5238] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5237] <... openat resumed>) = 3 [pid 5233] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5238] <... ioctl resumed>) = 0 [pid 5235] <... close_range resumed>) = 0 [pid 5238] poll([{fd=7, events=0}], 1, 0 [pid 5237] read(3, [pid 5233] exit_group(0 [pid 5238] <... poll resumed>) = 0 (Timeout) [pid 5237] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5238] close_range(3, 4294967295, 0 [pid 5237] exit_group(0 [pid 5233] <... exit_group resumed>) = ? [pid 5238] <... close_range resumed>) = 0 [pid 5238] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5236] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5237] <... exit_group resumed>) = ? [pid 5235] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5234] +++ exited with 0 +++ [pid 5236] <... ioctl resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5238] <... openat resumed>) = 3 [pid 5235] <... openat resumed>) = 3 [pid 5236] poll([{fd=7, events=0}], 1, 0 [pid 5238] read(3, [pid 5236] <... poll resumed>) = 0 (Timeout) [pid 5235] read(3, [pid 5236] close_range(3, 4294967295, 0 [pid 5233] +++ exited with 0 +++ [pid 5236] <... close_range resumed>) = 0 [pid 5235] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5238] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5235] exit_group(0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... restart_syscall resumed>) = 0 [pid 5238] exit_group(0 [pid 5236] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5237] +++ exited with 0 +++ [pid 5235] <... exit_group resumed>) = ? [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5236] <... openat resumed>) = 3 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5238] <... exit_group resumed>) = ? [pid 5236] read(3, [pid 5235] +++ exited with 0 +++ [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5236] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5236] exit_group(0) = ? ./strace-static-x86_64: Process 5240 attached ./strace-static-x86_64: Process 5239 attached [pid 5238] +++ exited with 0 +++ [pid 5240] set_robust_list(0x5555735f3660, 24 [pid 5239] set_robust_list(0x5555735f3660, 24 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5240 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5239 [pid 5240] <... set_robust_list resumed>) = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] +++ exited with 0 +++ [pid 5239] <... set_robust_list resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5240] <... prctl resumed>) = 0 [pid 5240] setpgid(0, 0) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5241 attached [pid 5240] <... openat resumed>) = 3 [pid 5239] <... prctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5241 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5241] set_robust_list(0x5555735f3660, 24) = 0 [pid 5239] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5243 attached [pid 5240] write(3, "1000", 4 [pid 5243] set_robust_list(0x5555735f3660, 24 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] <... set_robust_list resumed>) = 0 [pid 5240] <... write resumed>) = 4 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] <... prctl resumed>) = 0 [pid 5240] close(3 [pid 5239] <... openat resumed>) = 3 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5243 [pid 5240] <... close resumed>) = 0 [pid 5243] <... prctl resumed>) = 0 [pid 5241] setpgid(0, 0 [pid 5240] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5242 ./strace-static-x86_64: Process 5242 attached [pid 5243] setpgid(0, 0 [pid 5241] <... setpgid resumed>) = 0 [pid 5239] write(3, "1000", 4 [pid 5243] <... setpgid resumed>) = 0 [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] <... openat resumed>) = 3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5244 ./strace-static-x86_64: Process 5244 attached [pid 5242] set_robust_list(0x5555735f3660, 24 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5239] <... write resumed>) = 4 [pid 5243] <... openat resumed>) = 3 [pid 5240] <... ioctl resumed>) = 0 [pid 5244] set_robust_list(0x5555735f3660, 24 [pid 5242] <... set_robust_list resumed>) = 0 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5241] <... openat resumed>) = 3 [pid 5239] close(3 [pid 5243] write(3, "1000", 4 [pid 5240] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5243] <... write resumed>) = 4 [pid 5241] write(3, "1000", 4 [pid 5240] <... openat resumed>) = 5 [pid 5239] <... close resumed>) = 0 [pid 5244] <... prctl resumed>) = 0 [pid 5242] <... prctl resumed>) = 0 [pid 5243] close(3 [pid 5241] <... write resumed>) = 4 [pid 5243] <... close resumed>) = 0 [pid 5241] close(3 [pid 5240] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5239] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5244] setpgid(0, 0 [pid 5242] setpgid(0, 0 [pid 5243] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5241] <... close resumed>) = 0 [pid 5239] <... openat resumed>) = 3 [pid 5244] <... setpgid resumed>) = 0 [pid 5242] <... setpgid resumed>) = 0 [pid 5243] <... openat resumed>) = 3 [pid 5241] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5240] <... ioctl resumed>) = 0 [pid 5240] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5243] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5240] <... ioctl resumed>) = 0 [pid 5243] <... ioctl resumed>) = 0 [pid 5240] poll([{fd=7, events=0}], 1, 0 [pid 5243] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5240] <... poll resumed>) = 0 (Timeout) [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] <... openat resumed>) = 3 [pid 5240] close_range(3, 4294967295, 0 [pid 5239] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5244] <... openat resumed>) = 3 [pid 5242] <... openat resumed>) = 3 [pid 5243] <... openat resumed>) = 5 [pid 5239] <... ioctl resumed>) = 0 [pid 5241] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5244] write(3, "1000", 4 [pid 5242] write(3, "1000", 4 [pid 5243] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5244] <... write resumed>) = 4 [pid 5242] <... write resumed>) = 4 [pid 5243] <... ioctl resumed>) = 0 [pid 5241] <... ioctl resumed>) = 0 [pid 5240] <... close_range resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5244] close(3 [pid 5242] close(3 [pid 5241] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5240] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5244] <... close resumed>) = 0 [pid 5242] <... close resumed>) = 0 [pid 5243] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5241] <... openat resumed>) = 5 [pid 5239] <... openat resumed>) = 5 [pid 5240] <... openat resumed>) = 3 [pid 5244] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5241] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5242] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5241] <... ioctl resumed>) = 0 [pid 5244] <... openat resumed>) = 3 [pid 5242] <... openat resumed>) = 3 [pid 5241] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5240] read(3, [pid 5239] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5243] <... ioctl resumed>) = 0 [pid 5244] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5242] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5240] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 369 [pid 5239] <... ioctl resumed>) = 0 [pid 5244] <... ioctl resumed>) = 0 [pid 5242] <... ioctl resumed>) = 0 [pid 5243] poll([{fd=7, events=0}], 1, 0 [pid 5241] <... ioctl resumed>) = 0 [pid 5240] exit_group(0 [pid 5239] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5243] <... poll resumed>) = 0 (Timeout) [pid 5241] poll([{fd=7, events=0}], 1, 0 [pid 5240] <... exit_group resumed>) = ? [pid 5244] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5242] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5243] close_range(3, 4294967295, 0 [pid 5241] <... poll resumed>) = 0 (Timeout) [pid 5239] <... ioctl resumed>) = 0 [pid 5242] <... openat resumed>) = 5 [pid 5243] <... close_range resumed>) = 0 [pid 5239] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5242] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5239] close_range(3, 4294967295, 0 [pid 5242] <... ioctl resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5239] <... close_range resumed>) = 0 [pid 5242] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5243] <... openat resumed>) = 3 [pid 5242] <... ioctl resumed>) = 0 [pid 5240] +++ exited with 0 +++ [pid 5244] <... openat resumed>) = 5 [pid 5243] read(3, [pid 5239] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5241] close_range(3, 4294967295, 0 [pid 5244] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5242] poll([{fd=7, events=0}], 1, 0 [pid 5243] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5239] <... openat resumed>) = 3 [pid 5242] <... poll resumed>) = 0 (Timeout) [pid 5243] exit_group(0 [pid 5242] close_range(3, 4294967295, 0 [pid 5241] <... close_range resumed>) = 0 [pid 5239] read(3, [pid 5244] <... ioctl resumed>) = 0 [pid 5243] <... exit_group resumed>) = ? [pid 5244] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5242] <... close_range resumed>) = 0 [pid 5239] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5242] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5241] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5239] exit_group(0 [pid 5242] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5244] poll([{fd=7, events=0}], 1, 0 [pid 5242] read(3, [pid 5241] <... openat resumed>) = 3 [pid 5239] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5245 attached [pid 5244] <... poll resumed>) = 0 (Timeout) [pid 5242] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5243] +++ exited with 0 +++ [pid 5241] read(3, [pid 5239] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5245 [pid 5245] set_robust_list(0x5555735f3660, 24 [pid 5241] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5245] <... set_robust_list resumed>) = 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5244] close_range(3, 4294967295, 0 [pid 5242] exit_group(0 [pid 5241] exit_group(0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5245] <... prctl resumed>) = 0 [pid 5244] <... close_range resumed>) = 0 [pid 5242] <... exit_group resumed>) = ? [pid 5241] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5246 attached [pid 5245] setpgid(0, 0 [pid 5244] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5246] set_robust_list(0x5555735f3660, 24) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5246 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] <... setpgid resumed>) = 0 [pid 5244] <... openat resumed>) = 3 [pid 5242] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5246] setpgid(0, 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] read(3, [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5246] <... setpgid resumed>) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5244] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5246] <... openat resumed>) = 3 [pid 5245] <... openat resumed>) = 3 [pid 5244] exit_group(0./strace-static-x86_64: Process 5247 attached [pid 5246] write(3, "1000", 4 [pid 5245] write(3, "1000", 4 [pid 5244] <... exit_group resumed>) = ? [pid 5247] set_robust_list(0x5555735f3660, 24 [pid 5246] <... write resumed>) = 4 [pid 5245] <... write resumed>) = 4 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5247 [pid 5245] close(3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5246] close(3 [pid 5247] <... set_robust_list resumed>) = 0 [pid 5246] <... close resumed>) = 0 [pid 5245] <... close resumed>) = 0 [pid 5244] +++ exited with 0 +++ ./strace-static-x86_64: Process 5248 attached [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5246] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5245] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5248] set_robust_list(0x5555735f3660, 24 [pid 5247] <... prctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5248 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5248] <... set_robust_list resumed>) = 0 [pid 5247] setpgid(0, 0 [pid 5246] <... openat resumed>) = 3 [pid 5245] <... openat resumed>) = 3 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5249 attached [pid 5248] <... setpgid resumed>) = 0 [pid 5247] <... setpgid resumed>) = 0 [pid 5245] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5245] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5249 [pid 5245] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5248] <... openat resumed>) = 3 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] set_robust_list(0x5555735f3660, 24 [pid 5246] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5245] <... openat resumed>) = 5 [pid 5245] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5245] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5246] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5250 attached [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] write(3, "1000", 4 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5250 [pid 5250] set_robust_list(0x5555735f3660, 24 [pid 5247] <... openat resumed>) = 3 [pid 5246] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5245] poll([{fd=7, events=0}], 1, 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5248] <... write resumed>) = 4 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5248] close(3 [pid 5245] <... poll resumed>) = 0 (Timeout) [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5245] close_range(3, 4294967295, 0 [pid 5250] <... prctl resumed>) = 0 [pid 5249] <... prctl resumed>) = 0 [pid 5248] <... close resumed>) = 0 [pid 5247] write(3, "1000", 4 [pid 5246] <... openat resumed>) = 5 [pid 5245] <... close_range resumed>) = 0 [pid 5249] setpgid(0, 0 [pid 5250] setpgid(0, 0) = 0 [pid 5248] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] <... setpgid resumed>) = 0 [pid 5247] <... write resumed>) = 4 [pid 5246] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5245] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5250] <... openat resumed>) = 3 [pid 5247] close(3 [pid 5246] <... ioctl resumed>) = 0 [pid 5245] <... openat resumed>) = 3 [pid 5247] <... close resumed>) = 0 [pid 5245] read(3, [pid 5250] write(3, "1000", 4 [pid 5247] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5245] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5250] <... write resumed>) = 4 [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] close(3 [pid 5248] <... openat resumed>) = 3 [pid 5246] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5245] exit_group(0 [pid 5250] <... close resumed>) = 0 [pid 5247] <... openat resumed>) = 3 [pid 5250] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5246] <... ioctl resumed>) = 0 [pid 5245] <... exit_group resumed>) = ? [pid 5248] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5250] <... openat resumed>) = 3 [pid 5249] <... openat resumed>) = 3 [pid 5247] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5246] poll([{fd=7, events=0}], 1, 0 [pid 5250] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5248] <... ioctl resumed>) = 0 [pid 5250] <... ioctl resumed>) = 0 [pid 5249] write(3, "1000", 4 [pid 5248] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5247] <... ioctl resumed>) = 0 [pid 5246] <... poll resumed>) = 0 (Timeout) [pid 5245] +++ exited with 0 +++ [pid 5246] close_range(3, 4294967295, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5250] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5249] <... write resumed>) = 4 [pid 5247] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5249] close(3 [pid 5246] <... close_range resumed>) = 0 [pid 5249] <... close resumed>) = 0 [pid 5248] <... openat resumed>) = 5 [pid 5247] <... openat resumed>) = 5 [pid 5246] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5250] <... openat resumed>) = 5 [pid 5249] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5248] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5247] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5250] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5249] <... openat resumed>) = 3 [pid 5248] <... ioctl resumed>) = 0 [pid 5247] <... ioctl resumed>) = 0 [pid 5246] <... openat resumed>) = 3 [pid 5247] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5250] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5249] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5248] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5247] <... ioctl resumed>) = 0 [pid 5246] read(3, [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5250] <... ioctl resumed>) = 0 [pid 5249] <... ioctl resumed>) = 0 [pid 5248] <... ioctl resumed>) = 0 [pid 5247] poll([{fd=7, events=0}], 1, 0 [pid 5246] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 349 [pid 5249] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5248] poll([{fd=7, events=0}], 1, 0 [pid 5247] <... poll resumed>) = 0 (Timeout) [pid 5249] <... openat resumed>) = 5 [pid 5248] <... poll resumed>) = 0 (Timeout) [pid 5247] close_range(3, 4294967295, 0) = 0 [pid 5249] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5248] close_range(3, 4294967295, 0 [pid 5250] poll([{fd=7, events=0}], 1, 0 [pid 5249] <... ioctl resumed>) = 0 [pid 5248] <... close_range resumed>) = 0 [pid 5246] exit_group(0./strace-static-x86_64: Process 5251 attached [pid 5250] <... poll resumed>) = 0 (Timeout) [pid 5249] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5247] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5246] <... exit_group resumed>) = ? [pid 5251] set_robust_list(0x5555735f3660, 24 [pid 5250] close_range(3, 4294967295, 0 [pid 5249] <... ioctl resumed>) = 0 [pid 5248] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5247] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5251 [pid 5251] <... set_robust_list resumed>) = 0 [pid 5250] <... close_range resumed>) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] poll([{fd=7, events=0}], 1, 0 [pid 5248] <... openat resumed>) = 3 [pid 5251] <... prctl resumed>) = 0 [pid 5250] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5249] <... poll resumed>) = 0 (Timeout) [pid 5247] read(3, [pid 5251] setpgid(0, 0 [pid 5250] <... openat resumed>) = 3 [pid 5249] close_range(3, 4294967295, 0 [pid 5248] read(3, [pid 5247] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5246] +++ exited with 0 +++ [pid 5251] <... setpgid resumed>) = 0 [pid 5250] read(3, [pid 5249] <... close_range resumed>) = 0 [pid 5248] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5247] exit_group(0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5250] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5248] exit_group(0 [pid 5247] <... exit_group resumed>) = ? [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5249] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5251] <... openat resumed>) = 3 [pid 5250] exit_group(0 [pid 5249] <... openat resumed>) = 3 [pid 5248] <... exit_group resumed>) = ? [pid 5250] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5252 attached [pid 5251] write(3, "1000", 4 [pid 5249] read(3, [pid 5248] +++ exited with 0 +++ [pid 5247] +++ exited with 0 +++ [pid 5252] set_robust_list(0x5555735f3660, 24 [pid 5251] <... write resumed>) = 4 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] close(3 [pid 5249] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5252 [pid 5251] <... close resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5249] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] <... prctl resumed>) = 0 [pid 5250] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5252] setpgid(0, 0 [pid 5249] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5253 attached [pid 5253] set_robust_list(0x5555735f3660, 24) = 0 [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5253 [pid 5249] +++ exited with 0 +++ [pid 5253] <... prctl resumed>) = 0 [pid 5253] setpgid(0, 0) = 0 [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5255 attached ./strace-static-x86_64: Process 5254 attached [pid 5253] <... openat resumed>) = 3 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5251] <... openat resumed>) = 3 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5254 [pid 5254] set_robust_list(0x5555735f3660, 24 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5254] <... set_robust_list resumed>) = 0 [pid 5255] set_robust_list(0x5555735f3660, 24 [pid 5253] write(3, "1000", 4 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5255 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5253] <... write resumed>) = 4 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] close(3 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5255] <... prctl resumed>) = 0 [pid 5253] <... close resumed>) = 0 [pid 5251] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5255] setpgid(0, 0 [pid 5253] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5255] <... setpgid resumed>) = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] <... openat resumed>) = 3 [pid 5251] <... ioctl resumed>) = 0 [pid 5252] <... openat resumed>) = 3 [pid 5255] <... openat resumed>) = 3 [pid 5253] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5254] <... prctl resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5252] write(3, "1000", 4 [pid 5254] setpgid(0, 0 [pid 5253] <... ioctl resumed>) = 0 [pid 5252] <... write resumed>) = 4 [pid 5251] <... openat resumed>) = 5 [pid 5254] <... setpgid resumed>) = 0 [pid 5252] close(3 [pid 5253] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5255] write(3, "1000", 4) = 4 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... close resumed>) = 0 [pid 5255] close(3 [pid 5253] <... openat resumed>) = 5 [pid 5251] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5255] <... close resumed>) = 0 [pid 5253] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5252] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5255] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5253] <... ioctl resumed>) = 0 [pid 5251] <... ioctl resumed>) = 0 [pid 5254] <... openat resumed>) = 3 [pid 5255] <... openat resumed>) = 3 [pid 5253] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5252] <... openat resumed>) = 3 [pid 5251] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5254] write(3, "1000", 4./strace-static-x86_64: Process 5256 attached [pid 5255] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5254] <... write resumed>) = 4 [pid 5253] poll([{fd=7, events=0}], 1, 0 [pid 5252] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5251] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5256 [pid 5256] set_robust_list(0x5555735f3660, 24 [pid 5255] <... ioctl resumed>) = 0 [pid 5254] close(3 [pid 5253] <... poll resumed>) = 0 (Timeout) [pid 5251] poll([{fd=7, events=0}], 1, 0 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5254] <... close resumed>) = 0 [pid 5253] close_range(3, 4294967295, 0 [pid 5252] <... ioctl resumed>) = 0 [pid 5251] <... poll resumed>) = 0 (Timeout) [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5255] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5254] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5253] <... close_range resumed>) = 0 [pid 5251] close_range(3, 4294967295, 0 [pid 5256] <... prctl resumed>) = 0 [pid 5255] <... openat resumed>) = 5 [pid 5254] <... openat resumed>) = 3 [pid 5252] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5254] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5256] setpgid(0, 0 [pid 5255] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5254] <... ioctl resumed>) = 0 [pid 5253] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5252] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5251] <... close_range resumed>) = 0 [pid 5255] <... ioctl resumed>) = 0 [pid 5256] <... setpgid resumed>) = 0 [pid 5255] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5254] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5253] <... openat resumed>) = 3 [pid 5252] <... ioctl resumed>) = 0 [pid 5251] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5254] <... openat resumed>) = 5 [pid 5252] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5255] <... ioctl resumed>) = 0 [pid 5254] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5253] read(3, [pid 5252] <... ioctl resumed>) = 0 [pid 5251] <... openat resumed>) = 3 [pid 5253] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5254] <... ioctl resumed>) = 0 [pid 5252] poll([{fd=7, events=0}], 1, 0 [pid 5256] <... openat resumed>) = 3 [pid 5254] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5252] <... poll resumed>) = 0 (Timeout) [pid 5251] read(3, [pid 5255] poll([{fd=7, events=0}], 1, 0 [pid 5254] <... ioctl resumed>) = 0 [pid 5253] exit_group(0 [pid 5252] close_range(3, 4294967295, 0 [pid 5255] <... poll resumed>) = 0 (Timeout) [pid 5256] write(3, "1000", 4 [pid 5255] close_range(3, 4294967295, 0 [pid 5254] poll([{fd=7, events=0}], 1, 0 [pid 5253] <... exit_group resumed>) = ? [pid 5251] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5256] <... write resumed>) = 4 [pid 5252] <... close_range resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5252] read(3, [pid 5256] close(3 [pid 5255] <... close_range resumed>) = 0 [pid 5254] <... poll resumed>) = 0 (Timeout) [pid 5253] +++ exited with 0 +++ [pid 5251] exit_group(0 [pid 5256] <... close resumed>) = 0 [pid 5255] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5254] close_range(3, 4294967295, 0 [pid 5252] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5251] <... exit_group resumed>) = ? [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5256] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5255] <... openat resumed>) = 3 [pid 5254] <... close_range resumed>) = 0 [pid 5252] exit_group(0) = ? [pid 5255] read(3, [pid 5252] +++ exited with 0 +++ [pid 5251] +++ exited with 0 +++ [pid 5254] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5255] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5254] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5254] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5254] exit_group(0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5257 attached [pid 5256] <... openat resumed>) = 3 [pid 5255] exit_group(0 [pid 5254] <... exit_group resumed>) = ? [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5257] set_robust_list(0x5555735f3660, 24) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5255] <... exit_group resumed>) = ? [pid 5257] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5259 attached ./strace-static-x86_64: Process 5258 attached [pid 5256] <... ioctl resumed>) = 0 [pid 5255] +++ exited with 0 +++ [pid 5254] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5257 [pid 5259] set_robust_list(0x5555735f3660, 24 [pid 5258] set_robust_list(0x5555735f3660, 24 [pid 5257] setpgid(0, 0 [pid 5256] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5258 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5259 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5259] <... setpgid resumed>) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5260 attached [pid 5258] <... set_robust_list resumed>) = 0 [pid 5257] <... setpgid resumed>) = 0 [pid 5256] <... openat resumed>) = 5 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5260] set_robust_list(0x5555735f3660, 24 [pid 5259] write(3, "1000", 4 [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5260 ./strace-static-x86_64: Process 5261 attached [pid 5260] <... set_robust_list resumed>) = 0 [pid 5259] <... write resumed>) = 4 [pid 5258] <... prctl resumed>) = 0 [pid 5257] <... openat resumed>) = 3 [pid 5256] <... ioctl resumed>) = 0 [pid 5259] close(3 [pid 5258] setpgid(0, 0 [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5261 [pid 5256] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5261] set_robust_list(0x5555735f3660, 24 [pid 5260] <... prctl resumed>) = 0 [pid 5259] <... close resumed>) = 0 [pid 5258] <... setpgid resumed>) = 0 [pid 5257] write(3, "1000", 4 [pid 5256] <... ioctl resumed>) = 0 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] setpgid(0, 0 [pid 5259] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5260] <... setpgid resumed>) = 0 [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] poll([{fd=7, events=0}], 1, 0 [pid 5259] <... openat resumed>) = 3 [pid 5256] <... poll resumed>) = 0 (Timeout) [pid 5256] close_range(3, 4294967295, 0 [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5259] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5256] <... close_range resumed>) = 0 [pid 5261] <... prctl resumed>) = 0 [pid 5258] <... openat resumed>) = 3 [pid 5257] <... write resumed>) = 4 [pid 5259] <... ioctl resumed>) = 0 [pid 5257] close(3 [pid 5261] setpgid(0, 0 [pid 5259] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5257] <... close resumed>) = 0 [pid 5256] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5261] <... setpgid resumed>) = 0 [pid 5259] <... openat resumed>) = 5 [pid 5257] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5256] <... openat resumed>) = 3 [pid 5258] write(3, "1000", 4 [pid 5256] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5258] <... write resumed>) = 4 [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] close(3 [pid 5257] <... openat resumed>) = 3 [pid 5260] <... openat resumed>) = 3 [pid 5259] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5256] exit_group(0 [pid 5261] <... openat resumed>) = 3 [pid 5258] <... close resumed>) = 0 [pid 5256] <... exit_group resumed>) = ? [pid 5261] write(3, "1000", 4 [pid 5260] write(3, "1000", 4 [pid 5259] <... ioctl resumed>) = 0 [pid 5258] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5257] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5261] <... write resumed>) = 4 [pid 5260] <... write resumed>) = 4 [pid 5259] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5258] <... openat resumed>) = 3 [pid 5257] <... ioctl resumed>) = 0 [pid 5256] +++ exited with 0 +++ [pid 5261] close(3 [pid 5260] close(3 [pid 5259] <... ioctl resumed>) = 0 [pid 5258] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5257] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5261] <... close resumed>) = 0 [pid 5260] <... close resumed>) = 0 [pid 5259] poll([{fd=7, events=0}], 1, 0 [pid 5258] <... ioctl resumed>) = 0 [pid 5257] <... openat resumed>) = 5 [pid 5259] <... poll resumed>) = 0 (Timeout) [pid 5261] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5259] close_range(3, 4294967295, 0 [pid 5258] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5260] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5257] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5257] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5261] <... openat resumed>) = 3 [pid 5260] <... openat resumed>) = 3 [pid 5259] <... close_range resumed>) = 0 [pid 5258] <... openat resumed>) = 5 [pid 5257] <... ioctl resumed>) = 0 [pid 5261] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5260] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5259] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5258] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] <... ioctl resumed>) = 0 [pid 5260] <... ioctl resumed>) = 0 [pid 5259] <... openat resumed>) = 3 [pid 5257] poll([{fd=7, events=0}], 1, 0 [pid 5258] <... ioctl resumed>) = 0 [pid 5261] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5257] <... poll resumed>) = 0 (Timeout) [pid 5261] <... openat resumed>) = 5 [pid 5260] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5259] read(3, [pid 5257] close_range(3, 4294967295, 0 [pid 5260] <... openat resumed>) = 5 [pid 5259] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 376 [pid 5258] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5261] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5257] <... close_range resumed>) = 0 [pid 5261] <... ioctl resumed>) = 0 [pid 5260] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5259] exit_group(0 [pid 5258] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5262 attached [pid 5261] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5260] <... ioctl resumed>) = 0 [pid 5258] poll([{fd=7, events=0}], 1, 0 [pid 5262] set_robust_list(0x5555735f3660, 24 [pid 5260] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5259] <... exit_group resumed>) = ? [pid 5258] <... poll resumed>) = 0 (Timeout) [pid 5257] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5262 [pid 5262] <... set_robust_list resumed>) = 0 [pid 5261] <... ioctl resumed>) = 0 [pid 5260] <... ioctl resumed>) = 0 [pid 5258] close_range(3, 4294967295, 0 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] poll([{fd=7, events=0}], 1, 0 [pid 5260] poll([{fd=7, events=0}], 1, 0 [pid 5257] <... openat resumed>) = 3 [pid 5262] <... prctl resumed>) = 0 [pid 5261] <... poll resumed>) = 0 (Timeout) [pid 5260] <... poll resumed>) = 0 (Timeout) [pid 5259] +++ exited with 0 +++ [pid 5258] <... close_range resumed>) = 0 [pid 5257] read(3, [pid 5262] setpgid(0, 0 [pid 5261] close_range(3, 4294967295, 0 [pid 5260] close_range(3, 4294967295, 0 [pid 5258] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5257] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5262] <... setpgid resumed>) = 0 [pid 5261] <... close_range resumed>) = 0 [pid 5260] <... close_range resumed>) = 0 [pid 5258] <... openat resumed>) = 3 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5261] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5260] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5257] exit_group(0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] read(3, ./strace-static-x86_64: Process 5263 attached [pid 5262] <... openat resumed>) = 3 [pid 5261] <... openat resumed>) = 3 [pid 5260] <... openat resumed>) = 3 [pid 5258] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5257] <... exit_group resumed>) = ? [pid 5263] set_robust_list(0x5555735f3660, 24 [pid 5262] write(3, "1000", 4 [pid 5261] read(3, [pid 5260] read(3, [pid 5258] exit_group(0 [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... write resumed>) = 4 [pid 5260] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5258] <... exit_group resumed>) = ? [pid 5261] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5263 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] close(3 [pid 5260] exit_group(0 [pid 5258] +++ exited with 0 +++ [pid 5257] +++ exited with 0 +++ [pid 5261] exit_group(0 [pid 5263] <... prctl resumed>) = 0 [pid 5262] <... close resumed>) = 0 [pid 5261] <... exit_group resumed>) = ? [pid 5260] <... exit_group resumed>) = ? [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5263] setpgid(0, 0 [pid 5262] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] <... restart_syscall resumed>) = 0 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5263] <... setpgid resumed>) = 0 [pid 5262] <... openat resumed>) = 3 [pid 5260] +++ exited with 0 +++ [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5261] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] <... openat resumed>) = 3 [pid 5262] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5262] <... ioctl resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5262] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5263] write(3, "1000", 4 [pid 5262] <... openat resumed>) = 5 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5263] <... write resumed>) = 4 [pid 5262] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5263] close(3 [pid 5262] <... ioctl resumed>) = 0 [pid 5263] <... close resumed>) = 0 [pid 5262] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5266 attached ./strace-static-x86_64: Process 5265 attached ./strace-static-x86_64: Process 5264 attached ./strace-static-x86_64: Process 5267 attached [pid 5263] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5262] <... ioctl resumed>) = 0 [pid 5266] set_robust_list(0x5555735f3660, 24 [pid 5265] set_robust_list(0x5555735f3660, 24 [pid 5264] set_robust_list(0x5555735f3660, 24 [pid 5267] set_robust_list(0x5555735f3660, 24 [pid 5263] <... openat resumed>) = 3 [pid 5262] poll([{fd=7, events=0}], 1, 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5266 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5264 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5267 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5265 [pid 5266] <... set_robust_list resumed>) = 0 [pid 5265] <... set_robust_list resumed>) = 0 [pid 5264] <... set_robust_list resumed>) = 0 [pid 5267] <... set_robust_list resumed>) = 0 [pid 5263] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5262] <... poll resumed>) = 0 (Timeout) [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5262] close_range(3, 4294967295, 0 [pid 5266] <... prctl resumed>) = 0 [pid 5265] <... prctl resumed>) = 0 [pid 5264] <... prctl resumed>) = 0 [pid 5267] <... prctl resumed>) = 0 [pid 5266] setpgid(0, 0 [pid 5265] setpgid(0, 0 [pid 5264] setpgid(0, 0 [pid 5267] setpgid(0, 0 [pid 5263] <... ioctl resumed>) = 0 [pid 5262] <... close_range resumed>) = 0 [pid 5266] <... setpgid resumed>) = 0 [pid 5265] <... setpgid resumed>) = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5267] <... setpgid resumed>) = 0 [pid 5263] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] <... openat resumed>) = 5 [pid 5262] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5266] <... openat resumed>) = 3 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5262] <... openat resumed>) = 3 [pid 5263] <... ioctl resumed>) = 0 [pid 5262] read(3, [pid 5266] write(3, "1000", 4 [pid 5265] <... openat resumed>) = 3 [pid 5264] <... openat resumed>) = 3 [pid 5267] <... openat resumed>) = 3 [pid 5263] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5266] <... write resumed>) = 4 [pid 5265] write(3, "1000", 4 [pid 5264] write(3, "1000", 4 [pid 5267] write(3, "1000", 4 [pid 5262] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5266] close(3 [pid 5265] <... write resumed>) = 4 [pid 5264] <... write resumed>) = 4 [pid 5267] <... write resumed>) = 4 [pid 5263] <... ioctl resumed>) = 0 [pid 5262] exit_group(0 [pid 5266] <... close resumed>) = 0 [pid 5265] close(3 [pid 5264] close(3 [pid 5267] close(3 [pid 5266] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5265] <... close resumed>) = 0 [pid 5264] <... close resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5263] poll([{fd=7, events=0}], 1, 0 [pid 5262] <... exit_group resumed>) = ? [pid 5266] <... openat resumed>) = 3 [pid 5265] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5264] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5267] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5263] <... poll resumed>) = 0 (Timeout) [pid 5266] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5265] <... openat resumed>) = 3 [pid 5264] <... openat resumed>) = 3 [pid 5267] <... openat resumed>) = 3 [pid 5263] close_range(3, 4294967295, 0 [pid 5266] <... ioctl resumed>) = 0 [pid 5266] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5264] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5267] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5265] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5263] <... close_range resumed>) = 0 [pid 5264] <... ioctl resumed>) = 0 [pid 5262] +++ exited with 0 +++ [pid 5266] <... openat resumed>) = 5 [pid 5265] <... ioctl resumed>) = 0 [pid 5264] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5267] <... ioctl resumed>) = 0 [pid 5263] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5265] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5263] <... openat resumed>) = 3 [pid 5266] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5267] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5266] <... ioctl resumed>) = 0 [pid 5264] <... openat resumed>) = 5 [pid 5267] <... openat resumed>) = 5 [pid 5266] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5265] <... openat resumed>) = 5 [pid 5264] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5267] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5263] read(3, [pid 5265] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5267] <... ioctl resumed>) = 0 [pid 5263] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 352 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5266] poll([{fd=7, events=0}], 1, 0 [pid 5264] <... ioctl resumed>) = 0 [pid 5266] <... poll resumed>) = 0 (Timeout) [pid 5265] <... ioctl resumed>) = 0 [pid 5267] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5266] close_range(3, 4294967295, 0 [pid 5264] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5267] <... ioctl resumed>) = 0 [pid 5263] exit_group(0 [pid 5266] <... close_range resumed>) = 0 [pid 5265] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5264] <... ioctl resumed>) = 0 [pid 5267] poll([{fd=7, events=0}], 1, 0 [pid 5264] poll([{fd=7, events=0}], 1, 0 [pid 5267] <... poll resumed>) = 0 (Timeout) [pid 5266] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5264] <... poll resumed>) = 0 (Timeout) [pid 5267] close_range(3, 4294967295, 0 [pid 5266] <... openat resumed>) = 3 [pid 5264] close_range(3, 4294967295, 0 [pid 5265] <... ioctl resumed>) = 0 [pid 5263] <... exit_group resumed>) = ? [pid 5267] <... close_range resumed>) = 0 [pid 5265] poll([{fd=7, events=0}], 1, 0 [pid 5266] read(3, [pid 5264] <... close_range resumed>) = 0 [pid 5266] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5265] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5268 attached [pid 5266] exit_group(0 [pid 5265] close_range(3, 4294967295, 0 [pid 5267] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5266] <... exit_group resumed>) = ? [pid 5264] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5267] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5268 [pid 5268] set_robust_list(0x5555735f3660, 24 [pid 5266] +++ exited with 0 +++ [pid 5265] <... close_range resumed>) = 0 [pid 5264] <... openat resumed>) = 3 [pid 5263] +++ exited with 0 +++ [pid 5267] read(3, [pid 5268] <... set_robust_list resumed>) = 0 [pid 5265] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5264] read(3, [pid 5267] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5268] <... prctl resumed>) = 0 [pid 5265] <... openat resumed>) = 3 [pid 5264] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5267] exit_group(0 [pid 5268] setpgid(0, 0) = 0 [pid 5265] read(3, [pid 5264] exit_group(0 [pid 5267] <... exit_group resumed>) = ? [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5269 attached [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5264] <... exit_group resumed>) = ? [pid 5269] set_robust_list(0x5555735f3660, 24 [pid 5265] exit_group(0 [pid 5267] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5269 [pid 5268] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5264] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5270 attached [pid 5269] <... set_robust_list resumed>) = 0 [pid 5265] <... exit_group resumed>) = ? [pid 5270] set_robust_list(0x5555735f3660, 24 [pid 5268] write(3, "1000", 4 [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5270 [pid 5270] <... set_robust_list resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] <... prctl resumed>) = 0 [pid 5268] <... write resumed>) = 4 [pid 5270] <... prctl resumed>) = 0 [pid 5270] setpgid(0, 0) = 0 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5271 attached [pid 5271] set_robust_list(0x5555735f3660, 24) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5271 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5270] write(3, "1000", 4 [pid 5269] setpgid(0, 0 [pid 5268] close(3) = 0 [pid 5270] <... write resumed>) = 4 [pid 5271] <... prctl resumed>) = 0 [pid 5270] close(3 [pid 5269] <... setpgid resumed>) = 0 [pid 5268] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5271] setpgid(0, 0 [pid 5270] <... close resumed>) = 0 [pid 5271] <... setpgid resumed>) = 0 [pid 5270] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5268] <... openat resumed>) = 3 [pid 5270] <... openat resumed>) = 3 [pid 5271] <... openat resumed>) = 3 [pid 5269] <... openat resumed>) = 3 [pid 5268] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5270] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5272 ./strace-static-x86_64: Process 5272 attached [pid 5271] write(3, "1000", 4 [pid 5270] <... ioctl resumed>) = 0 [pid 5272] set_robust_list(0x5555735f3660, 24 [pid 5271] <... write resumed>) = 4 [pid 5270] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5269] write(3, "1000", 4 [pid 5268] <... ioctl resumed>) = 0 [pid 5265] +++ exited with 0 +++ [pid 5272] <... set_robust_list resumed>) = 0 [pid 5271] close(3 [pid 5270] <... openat resumed>) = 5 [pid 5269] <... write resumed>) = 4 [pid 5268] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5271] <... close resumed>) = 0 [pid 5269] close(3 [pid 5272] <... prctl resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5270] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5269] <... close resumed>) = 0 [pid 5268] <... openat resumed>) = 5 [pid 5272] setpgid(0, 0 [pid 5270] <... ioctl resumed>) = 0 [pid 5269] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5268] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5272] <... setpgid resumed>) = 0 [pid 5271] <... openat resumed>) = 3 [pid 5270] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5269] <... openat resumed>) = 3 [pid 5268] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5273 attached [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5271] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5270] <... ioctl resumed>) = 0 [pid 5269] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5268] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5273] set_robust_list(0x5555735f3660, 24 [pid 5271] <... ioctl resumed>) = 0 [pid 5269] <... ioctl resumed>) = 0 [pid 5270] poll([{fd=7, events=0}], 1, 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5268] <... ioctl resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5269] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5273 [pid 5270] <... poll resumed>) = 0 (Timeout) [pid 5270] close_range(3, 4294967295, 0 [pid 5272] <... openat resumed>) = 3 [pid 5272] write(3, "1000", 4) = 4 [pid 5271] <... openat resumed>) = 5 [pid 5272] close(3) = 0 [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5272] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5270] <... close_range resumed>) = 0 [pid 5273] <... prctl resumed>) = 0 [pid 5271] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5270] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5269] <... openat resumed>) = 5 [pid 5268] poll([{fd=7, events=0}], 1, 0 [pid 5273] setpgid(0, 0 [pid 5272] <... openat resumed>) = 3 [pid 5270] <... openat resumed>) = 3 [pid 5269] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5268] <... poll resumed>) = 0 (Timeout) [pid 5273] <... setpgid resumed>) = 0 [pid 5272] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5271] <... ioctl resumed>) = 0 [pid 5270] read(3, [pid 5269] <... ioctl resumed>) = 0 [pid 5268] close_range(3, 4294967295, 0 [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5272] <... ioctl resumed>) = 0 [pid 5270] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 380 [pid 5272] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5268] <... close_range resumed>) = 0 [pid 5270] exit_group(0 [pid 5271] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5272] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5271] <... ioctl resumed>) = 0 [pid 5268] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5270] <... exit_group resumed>) = ? [pid 5272] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5272] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5273] <... openat resumed>) = 3 [pid 5271] poll([{fd=7, events=0}], 1, 0 [pid 5269] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5271] <... poll resumed>) = 0 (Timeout) [pid 5271] close_range(3, 4294967295, 0 [pid 5272] close_range(3, 4294967295, 0 [pid 5269] <... ioctl resumed>) = 0 [pid 5272] <... close_range resumed>) = 0 [pid 5271] <... close_range resumed>) = 0 [pid 5268] <... openat resumed>) = 3 [pid 5272] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5273] write(3, "1000", 4 [pid 5272] <... openat resumed>) = 3 [pid 5273] <... write resumed>) = 4 [pid 5269] poll([{fd=7, events=0}], 1, 0 [pid 5273] close(3 [pid 5268] read(3, [pid 5273] <... close resumed>) = 0 [pid 5272] read(3, [pid 5268] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5272] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5272] exit_group(0 [pid 5273] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5272] <... exit_group resumed>) = ? [pid 5271] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5269] <... poll resumed>) = 0 (Timeout) [pid 5268] exit_group(0 [pid 5273] <... openat resumed>) = 3 [pid 5272] +++ exited with 0 +++ [pid 5271] <... openat resumed>) = 3 [pid 5270] +++ exited with 0 +++ [pid 5269] close_range(3, 4294967295, 0 [pid 5268] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5273] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5271] read(3, [pid 5269] <... close_range resumed>) = 0 [pid 5268] +++ exited with 0 +++ [pid 5273] <... ioctl resumed>) = 0 [pid 5271] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5269] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5273] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5271] exit_group(0 [pid 5269] <... openat resumed>) = 3 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] <... openat resumed>) = 5 [pid 5271] <... exit_group resumed>) = ? [pid 5269] read(3, [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5275 attached ./strace-static-x86_64: Process 5274 attached [pid 5269] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5275] set_robust_list(0x5555735f3660, 24 [pid 5274] set_robust_list(0x5555735f3660, 24 [pid 5273] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5274 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5275 ./strace-static-x86_64: Process 5276 attached [pid 5275] <... set_robust_list resumed>) = 0 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5273] <... ioctl resumed>) = 0 [pid 5271] +++ exited with 0 +++ [pid 5269] exit_group(0 [pid 5276] set_robust_list(0x5555735f3660, 24 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] <... exit_group resumed>) = ? [pid 5275] <... prctl resumed>) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5273] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5276] <... set_robust_list resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5276 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5275] setpgid(0, 0./strace-static-x86_64: Process 5277 attached [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5274] <... prctl resumed>) = 0 [pid 5273] <... ioctl resumed>) = 0 [pid 5269] +++ exited with 0 +++ [pid 5277] set_robust_list(0x5555735f3660, 24 [pid 5276] <... prctl resumed>) = 0 [pid 5275] <... setpgid resumed>) = 0 [pid 5274] setpgid(0, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5277] <... set_robust_list resumed>) = 0 [pid 5276] setpgid(0, 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5274] <... setpgid resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5277 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5276] <... setpgid resumed>) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] poll([{fd=7, events=0}], 1, 0 [pid 5277] <... prctl resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... openat resumed>) = 3 [pid 5277] setpgid(0, 0 [pid 5276] <... openat resumed>) = 3 [pid 5273] <... poll resumed>) = 0 (Timeout) [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5277] <... setpgid resumed>) = 0 [pid 5275] write(3, "1000", 4 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5275] <... write resumed>) = 4 [pid 5273] close_range(3, 4294967295, 0 [pid 5276] write(3, "1000", 4 [pid 5275] close(3 [pid 5274] <... openat resumed>) = 3 [pid 5273] <... close_range resumed>) = 0 [pid 5277] <... openat resumed>) = 3 [pid 5275] <... close resumed>) = 0 ./strace-static-x86_64: Process 5279 attached [pid 5277] write(3, "1000", 4 [pid 5276] <... write resumed>) = 4 [pid 5274] write(3, "1000", 4 [pid 5273] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5275] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5279] set_robust_list(0x5555735f3660, 24 [pid 5277] <... write resumed>) = 4 [pid 5276] close(3 [pid 5275] <... openat resumed>) = 3 [pid 5274] <... write resumed>) = 4 [pid 5273] <... openat resumed>) = 3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5279 [pid 5279] <... set_robust_list resumed>) = 0 [pid 5277] close(3 [pid 5276] <... close resumed>) = 0 [pid 5274] close(3 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5277] <... close resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5274] <... close resumed>) = 0 [pid 5273] read(3, [pid 5279] <... prctl resumed>) = 0 [pid 5277] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5275] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5274] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5273] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5276] <... openat resumed>) = 3 [pid 5279] setpgid(0, 0 [pid 5277] <... openat resumed>) = 3 [pid 5276] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5275] <... ioctl resumed>) = 0 [pid 5273] exit_group(0 [pid 5279] <... setpgid resumed>) = 0 [pid 5277] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5276] <... ioctl resumed>) = 0 [pid 5274] <... openat resumed>) = 3 [pid 5273] <... exit_group resumed>) = ? [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5277] <... ioctl resumed>) = 0 [pid 5276] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5275] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5274] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5275] <... openat resumed>) = 5 [pid 5279] <... openat resumed>) = 3 [pid 5277] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5276] <... openat resumed>) = 5 [pid 5275] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5279] write(3, "1000", 4 [pid 5277] <... openat resumed>) = 5 [pid 5276] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5275] <... ioctl resumed>) = 0 [pid 5274] <... ioctl resumed>) = 0 [pid 5273] +++ exited with 0 +++ [pid 5279] <... write resumed>) = 4 [pid 5277] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5276] <... ioctl resumed>) = 0 [pid 5275] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5274] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5279] close(3 [pid 5277] <... ioctl resumed>) = 0 [pid 5276] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5274] <... openat resumed>) = 5 [pid 5279] <... close resumed>) = 0 [pid 5274] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5276] <... ioctl resumed>) = 0 [pid 5274] <... ioctl resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5276] poll([{fd=7, events=0}], 1, 0 [pid 5275] <... ioctl resumed>) = 0 [pid 5274] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5277] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5276] <... poll resumed>) = 0 (Timeout) [pid 5274] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] close_range(3, 4294967295, 0 [pid 5274] poll([{fd=7, events=0}], 1, 0 [pid 5277] <... ioctl resumed>) = 0 [pid 5276] <... close_range resumed>) = 0 [pid 5274] <... poll resumed>) = 0 (Timeout) [pid 5274] close_range(3, 4294967295, 0 [pid 5279] <... openat resumed>) = 3 [pid 5275] poll([{fd=7, events=0}], 1, 0 [pid 5274] <... close_range resumed>) = 0 [pid 5275] <... poll resumed>) = 0 (Timeout) [pid 5275] close_range(3, 4294967295, 0 [pid 5276] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5274] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5277] poll([{fd=7, events=0}], 1, 0 [pid 5275] <... close_range resumed>) = 0 [pid 5274] <... openat resumed>) = 3 [pid 5279] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5277] <... poll resumed>) = 0 (Timeout) [pid 5277] close_range(3, 4294967295, 0 [pid 5276] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5276] exit_group(0 [pid 5274] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 ./strace-static-x86_64: Process 5280 attached [pid 5279] <... ioctl resumed>) = 0 [pid 5277] <... close_range resumed>) = 0 [pid 5276] <... exit_group resumed>) = ? [pid 5275] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5279] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5277] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5275] <... openat resumed>) = 3 [pid 5274] exit_group(0 [pid 5280] set_robust_list(0x5555735f3660, 24 [pid 5274] <... exit_group resumed>) = ? [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5280 [pid 5280] <... set_robust_list resumed>) = 0 [pid 5279] <... openat resumed>) = 5 [pid 5277] <... openat resumed>) = 3 [pid 5275] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5279] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5277] read(3, [pid 5275] exit_group(0 [pid 5274] +++ exited with 0 +++ [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5279] <... ioctl resumed>) = 0 [pid 5277] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5275] <... exit_group resumed>) = ? [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5280] setpgid(0, 0) = 0 [pid 5276] +++ exited with 0 +++ [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5277] exit_group(0 [pid 5280] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5281 attached [pid 5279] <... ioctl resumed>) = 0 [pid 5277] <... exit_group resumed>) = ? [pid 5275] +++ exited with 0 +++ [pid 5281] set_robust_list(0x5555735f3660, 24 [pid 5280] write(3, "1000", 4 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5281 [pid 5281] <... set_robust_list resumed>) = 0 [pid 5280] <... write resumed>) = 4 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] close(3) = 0 [pid 5280] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5281] <... prctl resumed>) = 0 [pid 5281] setpgid(0, 0) = 0 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5280] <... openat resumed>) = 3 [pid 5277] +++ exited with 0 +++ [pid 5280] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5279] poll([{fd=7, events=0}], 1, 0 [pid 5281] <... openat resumed>) = 3 [pid 5279] <... poll resumed>) = 0 (Timeout) [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5281] write(3, "1000", 4 [pid 5280] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5279] close_range(3, 4294967295, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5281] <... write resumed>) = 4 [pid 5280] <... openat resumed>) = 5 [pid 5281] close(3 [pid 5280] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5281] <... close resumed>) = 0 [pid 5280] <... ioctl resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5281] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5280] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5281] <... openat resumed>) = 3 [pid 5280] poll([{fd=7, events=0}], 1, 0 [pid 5281] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5280] <... poll resumed>) = 0 (Timeout) [pid 5280] close_range(3, 4294967295, 0) = 0 [pid 5281] <... ioctl resumed>) = 0 [pid 5281] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5284 attached ./strace-static-x86_64: Process 5282 attached ./strace-static-x86_64: Process 5283 attached ) = 5 [pid 5280] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5279] <... close_range resumed>) = 0 [pid 5279] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5282 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5283 [pid 5281] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5280] <... openat resumed>) = 3 [pid 5279] <... openat resumed>) = 3 [pid 5283] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5284 [pid 5284] set_robust_list(0x5555735f3660, 24 [pid 5282] set_robust_list(0x5555735f3660, 24 [pid 5283] <... set_robust_list resumed>) = 0 [pid 5281] <... ioctl resumed>) = 0 [pid 5280] read(3, [pid 5279] read(3, [pid 5284] <... set_robust_list resumed>) = 0 [pid 5282] <... set_robust_list resumed>) = 0 [pid 5281] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5279] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5281] <... ioctl resumed>) = 0 [pid 5280] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5279] exit_group(0 [pid 5284] <... prctl resumed>) = 0 [pid 5282] <... prctl resumed>) = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5280] exit_group(0 [pid 5279] <... exit_group resumed>) = ? [pid 5282] setpgid(0, 0 [pid 5284] setpgid(0, 0 [pid 5283] <... prctl resumed>) = 0 [pid 5281] poll([{fd=7, events=0}], 1, 0 [pid 5280] <... exit_group resumed>) = ? [pid 5279] +++ exited with 0 +++ [pid 5284] <... setpgid resumed>) = 0 [pid 5282] <... setpgid resumed>) = 0 [pid 5283] setpgid(0, 0 [pid 5281] <... poll resumed>) = 0 (Timeout) [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] close_range(3, 4294967295, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] <... setpgid resumed>) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5284] <... openat resumed>) = 3 [pid 5281] <... close_range resumed>) = 0 [pid 5280] +++ exited with 0 +++ [pid 5284] write(3, "1000", 4 [pid 5282] <... openat resumed>) = 3 [pid 5283] <... openat resumed>) = 3 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] <... restart_syscall resumed>) = 0 [pid 5284] <... write resumed>) = 4 [pid 5284] close(3 [pid 5282] write(3, "1000", 4 [pid 5283] write(3, "1000", 4 [pid 5281] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] <... close resumed>) = 0 [pid 5282] <... write resumed>) = 4 [pid 5283] <... write resumed>) = 4 [pid 5281] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] close(3 [pid 5282] close(3 [pid 5283] <... close resumed>) = 0 [pid 5281] read(3, [pid 5282] <... close resumed>) = 0 [pid 5282] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5283] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5282] <... openat resumed>) = 3 [pid 5284] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5282] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5286 attached ./strace-static-x86_64: Process 5285 attached [pid 5284] <... openat resumed>) = 3 [pid 5283] <... openat resumed>) = 3 [pid 5281] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5282] <... ioctl resumed>) = 0 [pid 5285] set_robust_list(0x5555735f3660, 24) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5286 [pid 5286] set_robust_list(0x5555735f3660, 24 [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5283] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5286] <... set_robust_list resumed>) = 0 [pid 5285] <... prctl resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5285 [pid 5285] setpgid(0, 0) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] <... ioctl resumed>) = 0 [pid 5285] <... openat resumed>) = 3 [pid 5285] write(3, "1000", 4 [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5284] <... ioctl resumed>) = 0 [pid 5282] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5283] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5281] exit_group(0 [pid 5286] <... prctl resumed>) = 0 [pid 5285] <... write resumed>) = 4 [pid 5284] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5282] <... openat resumed>) = 5 [pid 5281] <... exit_group resumed>) = ? [pid 5286] setpgid(0, 0 [pid 5285] close(3 [pid 5284] <... openat resumed>) = 5 [pid 5283] <... openat resumed>) = 5 [pid 5286] <... setpgid resumed>) = 0 [pid 5285] <... close resumed>) = 0 [pid 5284] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5282] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5283] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5285] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5284] <... ioctl resumed>) = 0 [pid 5282] <... ioctl resumed>) = 0 [pid 5283] <... ioctl resumed>) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5282] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5283] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5285] <... openat resumed>) = 3 [pid 5284] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5282] <... ioctl resumed>) = 0 [pid 5283] <... ioctl resumed>) = 0 [pid 5284] <... ioctl resumed>) = 0 [pid 5281] +++ exited with 0 +++ [pid 5282] poll([{fd=7, events=0}], 1, 0 [pid 5283] poll([{fd=7, events=0}], 1, 0 [pid 5286] <... openat resumed>) = 3 [pid 5285] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5284] poll([{fd=7, events=0}], 1, 0 [pid 5282] <... poll resumed>) = 0 (Timeout) [pid 5283] <... poll resumed>) = 0 (Timeout) [pid 5284] <... poll resumed>) = 0 (Timeout) [pid 5282] close_range(3, 4294967295, 0 [pid 5284] close_range(3, 4294967295, 0 [pid 5283] close_range(3, 4294967295, 0 [pid 5285] <... ioctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5284] <... close_range resumed>) = 0 [pid 5286] write(3, "1000", 4 [pid 5285] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5283] <... close_range resumed>) = 0 [pid 5286] <... write resumed>) = 4 [pid 5285] <... openat resumed>) = 5 [pid 5286] close(3) = 0 [pid 5286] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5285] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5286] <... openat resumed>) = 3 [pid 5284] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5282] <... close_range resumed>) = 0 [pid 5283] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5287 attached [pid 5286] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5285] <... ioctl resumed>) = 0 [pid 5284] <... openat resumed>) = 3 [pid 5282] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5283] <... openat resumed>) = 3 [pid 5287] set_robust_list(0x5555735f3660, 24 [pid 5286] <... ioctl resumed>) = 0 [pid 5285] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5284] read(3, [pid 5282] <... openat resumed>) = 3 [pid 5283] read(3, [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5287 [pid 5287] <... set_robust_list resumed>) = 0 [pid 5285] <... ioctl resumed>) = 0 [pid 5283] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5285] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5284] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5286] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5282] read(3, [pid 5283] exit_group(0 [pid 5285] close_range(3, 4294967295, 0 [pid 5287] <... prctl resumed>) = 0 [pid 5286] <... openat resumed>) = 5 [pid 5285] <... close_range resumed>) = 0 [pid 5282] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-exec"..., 8224) = 135 [pid 5283] <... exit_group resumed>) = ? [pid 5287] setpgid(0, 0 [pid 5285] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5284] exit_group(0 [pid 5287] <... setpgid resumed>) = 0 [pid 5285] <... openat resumed>) = 3 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5285] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5285] exit_group(0 [pid 5287] <... openat resumed>) = 3 [pid 5286] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5285] <... exit_group resumed>) = ? [pid 5284] <... exit_group resumed>) = ? [pid 5282] exit_group(0 [pid 5285] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5287] write(3, "1000", 4) = 4 [pid 5286] <... ioctl resumed>) = 0 [pid 5282] <... exit_group resumed>) = ? [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5287] close(3) = 0 [pid 5287] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5286] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5282] +++ exited with 0 +++ [pid 5287] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5286] <... ioctl resumed>) = 0 [pid 5287] <... ioctl resumed>) = 0 [pid 5286] poll([{fd=7, events=0}], 1, 0 [pid 5283] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5286] <... poll resumed>) = 0 (Timeout) [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5286] close_range(3, 4294967295, 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5287] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5288 attached ./strace-static-x86_64: Process 5289 attached [pid 5287] <... openat resumed>) = 5 [pid 5286] <... close_range resumed>) = 0 [pid 5095] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5290 attached [pid 5287] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5290] set_robust_list(0x5555735f3660, 24 [pid 5288] set_robust_list(0x5555735f3660, 24 [pid 5289] set_robust_list(0x5555735f3660, 24 [pid 5287] <... ioctl resumed>) = 0 [pid 5286] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5288 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5289 [pid 5290] <... set_robust_list resumed>) = 0 [pid 5287] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5290 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] <... set_robust_list resumed>) = 0 [pid 5289] <... set_robust_list resumed>) = 0 [pid 5287] <... ioctl resumed>) = 0 [pid 5286] <... openat resumed>) = 3 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5290] <... prctl resumed>) = 0 [pid 5290] setpgid(0, 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5287] poll([{fd=7, events=0}], 1, 0 [pid 5290] <... setpgid resumed>) = 0 [pid 5287] <... poll resumed>) = 0 (Timeout) [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5287] close_range(3, 4294967295, 0) = 0 [pid 5290] <... openat resumed>) = 3 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5289] <... prctl resumed>) = 0 [pid 5286] read(3, [pid 5289] setpgid(0, 0 [pid 5290] write(3, "1000", 4 [pid 5288] <... prctl resumed>) = 0 [pid 5289] <... setpgid resumed>) = 0 [pid 5287] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5286] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5290] <... write resumed>) = 4 [pid 5290] close(3 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5287] <... openat resumed>) = 3 [pid 5286] exit_group(0 [pid 5290] <... close resumed>) = 0 [pid 5288] setpgid(0, 0 [pid 5290] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5288] <... setpgid resumed>) = 0 [pid 5286] <... exit_group resumed>) = ? [pid 5290] <... openat resumed>) = 3 [pid 5287] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5289] <... openat resumed>) = 3 [pid 5287] exit_group(0 [pid 5290] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5287] <... exit_group resumed>) = ? [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5289] write(3, "1000", 4 [pid 5287] +++ exited with 0 +++ [pid 5286] +++ exited with 0 +++ ./strace-static-x86_64: Process 5291 attached [pid 5290] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5289] <... write resumed>) = 4 [pid 5291] set_robust_list(0x5555735f3660, 24 [pid 5288] <... openat resumed>) = 3 [pid 5289] close(3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5291 [pid 5291] <... set_robust_list resumed>) = 0 [pid 5288] write(3, "1000", 4 [pid 5289] <... close resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5290] <... openat resumed>) = 5 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5288] <... write resumed>) = 4 [pid 5289] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5290] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5291] <... prctl resumed>) = 0 [pid 5290] <... ioctl resumed>) = 0 [pid 5288] close(3 [pid 5289] <... openat resumed>) = 3 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5292 attached [pid 5291] setpgid(0, 0 [pid 5290] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5288] <... close resumed>) = 0 [pid 5289] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5292] set_robust_list(0x5555735f3660, 24 [pid 5291] <... setpgid resumed>) = 0 [pid 5290] <... ioctl resumed>) = 0 [pid 5288] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5292 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5290] poll([{fd=7, events=0}], 1, 0 [pid 5288] <... openat resumed>) = 3 [pid 5289] <... ioctl resumed>) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] <... poll resumed>) = 0 (Timeout) [pid 5289] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5290] close_range(3, 4294967295, 0 [pid 5288] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5292] <... prctl resumed>) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] <... ioctl resumed>) = 0 [pid 5289] <... openat resumed>) = 5 [pid 5290] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5293 attached [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5293 [pid 5293] set_robust_list(0x5555735f3660, 24 [pid 5292] write(3, "1000", 4 [pid 5291] <... openat resumed>) = 3 [pid 5288] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5289] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] <... write resumed>) = 4 [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5290] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5288] <... openat resumed>) = 5 [pid 5293] <... prctl resumed>) = 0 [pid 5292] close(3 [pid 5291] write(3, "1000", 4 [pid 5290] <... openat resumed>) = 3 [pid 5289] <... ioctl resumed>) = 0 [pid 5293] setpgid(0, 0 [pid 5292] <... close resumed>) = 0 [pid 5291] <... write resumed>) = 4 [pid 5290] read(3, [pid 5288] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5289] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5293] <... setpgid resumed>) = 0 [pid 5292] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5291] close(3 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5292] <... openat resumed>) = 3 [pid 5291] <... close resumed>) = 0 [pid 5290] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5293] <... openat resumed>) = 3 [pid 5292] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5291] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5290] exit_group(0 [pid 5288] <... ioctl resumed>) = 0 [pid 5289] <... ioctl resumed>) = 0 [pid 5293] write(3, "1000", 4 [pid 5292] <... ioctl resumed>) = 0 [pid 5293] <... write resumed>) = 4 [pid 5292] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5291] <... openat resumed>) = 3 [pid 5290] <... exit_group resumed>) = ? [pid 5288] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5289] poll([{fd=7, events=0}], 1, 0 [pid 5293] close(3 [pid 5292] <... openat resumed>) = 5 [pid 5291] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5288] <... ioctl resumed>) = 0 [pid 5289] <... poll resumed>) = 0 (Timeout) [pid 5293] <... close resumed>) = 0 [pid 5293] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5292] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5291] <... ioctl resumed>) = 0 [pid 5288] poll([{fd=7, events=0}], 1, 0 [pid 5289] close_range(3, 4294967295, 0 [pid 5293] <... openat resumed>) = 3 [pid 5292] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5291] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5288] <... poll resumed>) = 0 (Timeout) [pid 5289] <... close_range resumed>) = 0 [pid 5293] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5292] <... ioctl resumed>) = 0 [pid 5291] <... openat resumed>) = 5 [pid 5288] close_range(3, 4294967295, 0 [pid 5289] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5293] <... ioctl resumed>) = 0 [pid 5288] <... close_range resumed>) = 0 [pid 5289] <... openat resumed>) = 3 [pid 5292] poll([{fd=7, events=0}], 1, 0 [pid 5293] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5292] <... poll resumed>) = 0 (Timeout) [pid 5291] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5290] +++ exited with 0 +++ [pid 5288] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5289] read(3, [pid 5293] <... openat resumed>) = 5 [pid 5292] close_range(3, 4294967295, 0 [pid 5291] <... ioctl resumed>) = 0 [pid 5293] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5291] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5288] <... openat resumed>) = 3 [pid 5289] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 318 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5291] <... ioctl resumed>) = 0 [pid 5293] <... ioctl resumed>) = 0 [pid 5288] read(3, [pid 5289] exit_group(0 [pid 5293] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5291] poll([{fd=7, events=0}], 1, 0 [pid 5288] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-exec"..., 8224) = 254 [pid 5291] <... poll resumed>) = 0 (Timeout) [pid 5289] <... exit_group resumed>) = ? [pid 5293] <... ioctl resumed>) = 0 [pid 5292] <... close_range resumed>) = 0 [pid 5291] close_range(3, 4294967295, 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5291] <... close_range resumed>) = 0 [pid 5288] exit_group(0) = ? ./strace-static-x86_64: Process 5294 attached [pid 5293] poll([{fd=7, events=0}], 1, 0 [pid 5292] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5291] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5292] <... openat resumed>) = 3 [pid 5291] <... openat resumed>) = 3 [pid 5293] <... poll resumed>) = 0 (Timeout) [pid 5291] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5291] exit_group(0) = ? [pid 5293] close_range(3, 4294967295, 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5294 [pid 5294] set_robust_list(0x5555735f3660, 24) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] <... close_range resumed>) = 0 [pid 5292] read(3, [pid 5289] +++ exited with 0 +++ [pid 5292] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5292] exit_group(0 [pid 5294] <... prctl resumed>) = 0 [pid 5291] +++ exited with 0 +++ [pid 5096] <... restart_syscall resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5293] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5294] setpgid(0, 0 [pid 5292] <... exit_group resumed>) = ? [pid 5288] +++ exited with 0 +++ [pid 5095] <... restart_syscall resumed>) = 0 [pid 5294] <... setpgid resumed>) = 0 [pid 5293] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5293] read(3, [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5295 attached ./strace-static-x86_64: Process 5296 attached [pid 5294] <... openat resumed>) = 3 [pid 5293] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5292] +++ exited with 0 +++ [pid 5295] set_robust_list(0x5555735f3660, 24 [pid 5296] set_robust_list(0x5555735f3660, 24 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5295 [pid 5295] <... set_robust_list resumed>) = 0 [pid 5296] <... set_robust_list resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5296 ./strace-static-x86_64: Process 5297 attached [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5294] write(3, "1000", 4 [pid 5293] exit_group(0 [pid 5297] set_robust_list(0x5555735f3660, 24 [pid 5295] <... prctl resumed>) = 0 [pid 5296] <... prctl resumed>) = 0 [pid 5294] <... write resumed>) = 4 [pid 5293] <... exit_group resumed>) = ? [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5297 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5294] close(3 [pid 5296] setpgid(0, 0 [pid 5294] <... close resumed>) = 0 [pid 5295] setpgid(0, 0 [pid 5296] <... setpgid resumed>) = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5295] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5298 attached [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5294] <... openat resumed>) = 3 [pid 5293] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5298] set_robust_list(0x5555735f3660, 24 [pid 5297] <... prctl resumed>) = 0 [pid 5294] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5298 [pid 5297] setpgid(0, 0) = 0 [pid 5294] <... ioctl resumed>) = 0 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5295] <... openat resumed>) = 3 [pid 5296] <... openat resumed>) = 3 [pid 5295] write(3, "1000", 4 [pid 5296] write(3, "1000", 4 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5295] <... write resumed>) = 4 [pid 5296] <... write resumed>) = 4 [pid 5294] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5295] close(3 [pid 5296] close(3 [pid 5298] <... prctl resumed>) = 0 [pid 5295] <... close resumed>) = 0 [pid 5296] <... close resumed>) = 0 [pid 5294] <... openat resumed>) = 5 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5297] <... openat resumed>) = 3 [pid 5295] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5296] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5298] setpgid(0, 0 [pid 5297] write(3, "1000", 4 [pid 5294] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5298] <... setpgid resumed>) = 0 [pid 5294] <... ioctl resumed>) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5297] <... write resumed>) = 4 [pid 5295] <... openat resumed>) = 3 [pid 5296] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5299 attached [pid 5298] <... openat resumed>) = 3 [pid 5297] close(3 [pid 5295] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5296] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5294] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5299 [pid 5299] set_robust_list(0x5555735f3660, 24 [pid 5298] write(3, "1000", 4 [pid 5297] <... close resumed>) = 0 [pid 5295] <... ioctl resumed>) = 0 [pid 5296] <... ioctl resumed>) = 0 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5295] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5294] <... ioctl resumed>) = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] <... write resumed>) = 4 [pid 5297] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5295] <... openat resumed>) = 5 [pid 5296] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5294] poll([{fd=7, events=0}], 1, 0 [pid 5298] close(3 [pid 5299] <... prctl resumed>) = 0 [pid 5298] <... close resumed>) = 0 [pid 5295] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5296] <... openat resumed>) = 5 [pid 5294] <... poll resumed>) = 0 (Timeout) [pid 5299] setpgid(0, 0 [pid 5298] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5297] <... openat resumed>) = 3 [pid 5295] <... ioctl resumed>) = 0 [pid 5294] close_range(3, 4294967295, 0 [pid 5299] <... setpgid resumed>) = 0 [pid 5295] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5296] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] <... openat resumed>) = 3 [pid 5295] <... ioctl resumed>) = 0 [pid 5297] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5299] <... openat resumed>) = 3 [pid 5294] <... close_range resumed>) = 0 [pid 5297] <... ioctl resumed>) = 0 [pid 5295] poll([{fd=7, events=0}], 1, 0 [pid 5296] <... ioctl resumed>) = 0 [pid 5298] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5297] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5295] <... poll resumed>) = 0 (Timeout) [pid 5299] write(3, "1000", 4 [pid 5295] close_range(3, 4294967295, 0 [pid 5299] <... write resumed>) = 4 [pid 5298] <... ioctl resumed>) = 0 [pid 5297] <... openat resumed>) = 5 [pid 5295] <... close_range resumed>) = 0 [pid 5296] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5299] close(3 [pid 5298] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5295] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5294] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5299] <... close resumed>) = 0 [pid 5295] <... openat resumed>) = 3 [pid 5294] <... openat resumed>) = 3 [pid 5299] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5298] <... openat resumed>) = 5 [pid 5297] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5295] read(3, [pid 5296] <... ioctl resumed>) = 0 [pid 5294] read(3, [pid 5299] <... openat resumed>) = 3 [pid 5299] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5295] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 301 [pid 5299] <... ioctl resumed>) = 0 [pid 5295] exit_group(0 [pid 5299] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5297] <... ioctl resumed>) = 0 [pid 5294] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 356 [pid 5298] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5296] poll([{fd=7, events=0}], 1, 0 [pid 5299] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5295] <... exit_group resumed>) = ? [pid 5299] <... ioctl resumed>) = 0 [pid 5298] <... ioctl resumed>) = 0 [pid 5297] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5296] <... poll resumed>) = 0 (Timeout) [pid 5294] exit_group(0 [pid 5299] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5298] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5296] close_range(3, 4294967295, 0 [pid 5294] <... exit_group resumed>) = ? [pid 5298] <... ioctl resumed>) = 0 [pid 5297] <... ioctl resumed>) = 0 [pid 5295] +++ exited with 0 +++ [pid 5296] <... close_range resumed>) = 0 [pid 5299] <... ioctl resumed>) = 0 [pid 5298] poll([{fd=7, events=0}], 1, 0 [pid 5299] poll([{fd=7, events=0}], 1, 0 [pid 5297] poll([{fd=7, events=0}], 1, 0 [pid 5296] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5294] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5299] <... poll resumed>) = 0 (Timeout) [pid 5298] <... poll resumed>) = 0 (Timeout) [pid 5297] <... poll resumed>) = 0 (Timeout) [pid 5296] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5299] close_range(3, 4294967295, 0 [pid 5298] close_range(3, 4294967295, 0 [pid 5297] close_range(3, 4294967295, 0 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5298] <... close_range resumed>) = 0 [pid 5296] read(3, [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5296] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 ./strace-static-x86_64: Process 5300 attached [pid 5299] <... close_range resumed>) = 0 [pid 5298] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5297] <... close_range resumed>) = 0 [pid 5296] exit_group(0 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5300] set_robust_list(0x5555735f3660, 24 [pid 5299] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5297] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5298] <... openat resumed>) = 3 [pid 5296] <... exit_group resumed>) = ? [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5300 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5299] read(3, [pid 5298] read(3, [pid 5297] <... openat resumed>) = 3 [pid 5300] <... prctl resumed>) = 0 [pid 5299] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5297] read(3, [pid 5296] +++ exited with 0 +++ [pid 5297] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5297] exit_group(0 [pid 5298] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5300] setpgid(0, 0 [pid 5297] <... exit_group resumed>) = ? [pid 5300] <... setpgid resumed>) = 0 [pid 5299] exit_group(0 [pid 5298] exit_group(0 [pid 5297] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] <... exit_group resumed>) = ? [pid 5298] <... exit_group resumed>) = ? [pid 5299] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5298] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5302 attached ./strace-static-x86_64: Process 5301 attached [pid 5300] <... openat resumed>) = 3 [pid 5302] set_robust_list(0x5555735f3660, 24 [pid 5301] set_robust_list(0x5555735f3660, 24 [pid 5300] write(3, "1000", 4 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5302] <... set_robust_list resumed>) = 0 [pid 5301] <... set_robust_list resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5302 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5301 ./strace-static-x86_64: Process 5304 attached ./strace-static-x86_64: Process 5303 attached [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5300] <... write resumed>) = 4 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] set_robust_list(0x5555735f3660, 24 [pid 5302] <... prctl resumed>) = 0 [pid 5301] <... prctl resumed>) = 0 [pid 5300] close(3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5304 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5303 [pid 5303] set_robust_list(0x5555735f3660, 24 [pid 5302] setpgid(0, 0 [pid 5301] setpgid(0, 0 [pid 5300] <... close resumed>) = 0 [pid 5303] <... set_robust_list resumed>) = 0 [pid 5302] <... setpgid resumed>) = 0 [pid 5301] <... setpgid resumed>) = 0 [pid 5300] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5301] <... openat resumed>) = 3 [pid 5300] <... openat resumed>) = 3 [pid 5302] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5305 attached [pid 5304] <... set_robust_list resumed>) = 0 [pid 5303] <... prctl resumed>) = 0 [pid 5302] write(3, "1000", 4 [pid 5301] write(3, "1000", 4 [pid 5300] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5305] set_robust_list(0x5555735f3660, 24 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] <... write resumed>) = 4 [pid 5301] <... write resumed>) = 4 [pid 5300] <... ioctl resumed>) = 0 [pid 5303] setpgid(0, 0 [pid 5305] <... set_robust_list resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5305 [pid 5304] <... prctl resumed>) = 0 [pid 5304] setpgid(0, 0 [pid 5303] <... setpgid resumed>) = 0 [pid 5302] close(3 [pid 5304] <... setpgid resumed>) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] <... openat resumed>) = 3 [pid 5302] <... close resumed>) = 0 [pid 5301] close(3 [pid 5300] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5304] <... openat resumed>) = 3 [pid 5300] <... openat resumed>) = 5 [pid 5301] <... close resumed>) = 0 [pid 5304] write(3, "1000", 4) = 4 [pid 5304] close(3) = 0 [pid 5302] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5305] <... prctl resumed>) = 0 [pid 5304] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5301] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5305] setpgid(0, 0 [pid 5303] write(3, "1000", 4 [pid 5305] <... setpgid resumed>) = 0 [pid 5304] <... openat resumed>) = 3 [pid 5301] <... openat resumed>) = 3 [pid 5304] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5303] <... write resumed>) = 4 [pid 5302] <... openat resumed>) = 3 [pid 5301] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5300] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5303] close(3) = 0 [pid 5304] <... ioctl resumed>) = 0 [pid 5303] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5302] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5301] <... ioctl resumed>) = 0 [pid 5300] <... ioctl resumed>) = 0 [pid 5305] <... openat resumed>) = 3 [pid 5304] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5305] write(3, "1000", 4 [pid 5304] <... openat resumed>) = 5 [pid 5305] <... write resumed>) = 4 [pid 5305] close(3) = 0 [pid 5304] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5305] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5304] <... ioctl resumed>) = 0 [pid 5303] <... openat resumed>) = 3 [pid 5302] <... ioctl resumed>) = 0 [pid 5301] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5300] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5303] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5305] <... openat resumed>) = 3 [pid 5304] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5302] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5301] <... openat resumed>) = 5 [pid 5300] <... ioctl resumed>) = 0 [pid 5303] <... ioctl resumed>) = 0 [pid 5305] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5304] <... ioctl resumed>) = 0 [pid 5305] <... ioctl resumed>) = 0 [pid 5304] poll([{fd=7, events=0}], 1, 0 [pid 5305] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5304] <... poll resumed>) = 0 (Timeout) [pid 5303] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5302] <... openat resumed>) = 5 [pid 5301] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5300] poll([{fd=7, events=0}], 1, 0 [pid 5305] <... openat resumed>) = 5 [pid 5304] close_range(3, 4294967295, 0 [pid 5305] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5304] <... close_range resumed>) = 0 [pid 5302] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5301] <... ioctl resumed>) = 0 [pid 5300] <... poll resumed>) = 0 (Timeout) [pid 5303] <... openat resumed>) = 5 [pid 5305] <... ioctl resumed>) = 0 [pid 5302] <... ioctl resumed>) = 0 [pid 5301] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5305] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5304] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5303] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5300] close_range(3, 4294967295, 0 [pid 5305] <... ioctl resumed>) = 0 [pid 5304] <... openat resumed>) = 3 [pid 5302] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5301] <... ioctl resumed>) = 0 [pid 5300] <... close_range resumed>) = 0 [pid 5305] poll([{fd=7, events=0}], 1, 0 [pid 5303] <... ioctl resumed>) = 0 [pid 5302] <... ioctl resumed>) = 0 [pid 5304] read(3, [pid 5300] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5305] <... poll resumed>) = 0 (Timeout) [pid 5305] close_range(3, 4294967295, 0 [pid 5304] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 424 [pid 5303] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5302] poll([{fd=7, events=0}], 1, 0 [pid 5301] poll([{fd=7, events=0}], 1, 0 [pid 5300] <... openat resumed>) = 3 [pid 5302] <... poll resumed>) = 0 (Timeout) [pid 5301] <... poll resumed>) = 0 (Timeout) [pid 5300] read(3, [pid 5305] <... close_range resumed>) = 0 [pid 5302] close_range(3, 4294967295, 0 [pid 5301] close_range(3, 4294967295, 0 [pid 5300] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 349 [pid 5305] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5304] exit_group(0 [pid 5303] <... ioctl resumed>) = 0 [pid 5302] <... close_range resumed>) = 0 [pid 5305] <... openat resumed>) = 3 [pid 5302] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5301] <... close_range resumed>) = 0 [pid 5300] exit_group(0 [pid 5304] <... exit_group resumed>) = ? [pid 5303] poll([{fd=7, events=0}], 1, 0 [pid 5300] <... exit_group resumed>) = ? [pid 5305] read(3, [pid 5302] <... openat resumed>) = 3 [pid 5301] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5303] <... poll resumed>) = 0 (Timeout) [pid 5305] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5304] +++ exited with 0 +++ [pid 5303] close_range(3, 4294967295, 0 [pid 5302] read(3, [pid 5301] <... openat resumed>) = 3 [pid 5305] exit_group(0 [pid 5303] <... close_range resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5305] <... exit_group resumed>) = ? [pid 5302] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5301] read(3, [pid 5303] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5302] exit_group(0 [pid 5301] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5303] <... openat resumed>) = 3 [pid 5302] <... exit_group resumed>) = ? [pid 5301] exit_group(0 [pid 5300] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5301] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5303] read(3, [pid 5098] <... restart_syscall resumed>) = 0 [pid 5303] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5303] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5303] <... exit_group resumed>) = ? [pid 5302] +++ exited with 0 +++ ./strace-static-x86_64: Process 5307 attached ./strace-static-x86_64: Process 5306 attached [pid 5305] +++ exited with 0 +++ [pid 5301] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5307] set_robust_list(0x5555735f3660, 24 [pid 5306] set_robust_list(0x5555735f3660, 24 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5306 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] <... set_robust_list resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5307 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5303] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5307] <... prctl resumed>) = 0 [pid 5306] <... prctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5308 attached [pid 5307] setpgid(0, 0 [pid 5306] setpgid(0, 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5310 attached [pid 5307] <... setpgid resumed>) = 0 [pid 5306] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5309 attached [pid 5308] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5308 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5310 [pid 5310] set_robust_list(0x5555735f3660, 24 [pid 5309] set_robust_list(0x5555735f3660, 24 [pid 5308] <... set_robust_list resumed>) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] <... set_robust_list resumed>) = 0 [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5308] <... prctl resumed>) = 0 [pid 5308] setpgid(0, 0 [pid 5309] <... prctl resumed>) = 0 [pid 5308] <... setpgid resumed>) = 0 [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5309 [pid 5310] <... set_robust_list resumed>) = 0 [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5307] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5311 attached [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5309] setpgid(0, 0 [pid 5308] <... openat resumed>) = 3 [pid 5311] set_robust_list(0x5555735f3660, 24 [pid 5309] <... setpgid resumed>) = 0 [pid 5310] <... prctl resumed>) = 0 [pid 5307] write(3, "1000", 4 [pid 5311] <... set_robust_list resumed>) = 0 [pid 5310] setpgid(0, 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5307] <... write resumed>) = 4 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5311 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5308] write(3, "1000", 4 [pid 5307] close(3 [pid 5311] setpgid(0, 0 [pid 5310] <... setpgid resumed>) = 0 [pid 5309] <... openat resumed>) = 3 [pid 5308] <... write resumed>) = 4 [pid 5307] <... close resumed>) = 0 [pid 5306] <... openat resumed>) = 3 [pid 5311] <... setpgid resumed>) = 0 [pid 5309] write(3, "1000", 4 [pid 5308] close(3 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5308] <... close resumed>) = 0 [pid 5307] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5306] write(3, "1000", 4 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5309] <... write resumed>) = 4 [pid 5308] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5307] <... openat resumed>) = 3 [pid 5306] <... write resumed>) = 4 [pid 5309] close(3 [pid 5310] <... openat resumed>) = 3 [pid 5311] <... openat resumed>) = 3 [pid 5309] <... close resumed>) = 0 [pid 5308] <... openat resumed>) = 3 [pid 5307] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5306] close(3 [pid 5309] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5311] write(3, "1000", 4 [pid 5306] <... close resumed>) = 0 [pid 5311] <... write resumed>) = 4 [pid 5309] <... openat resumed>) = 3 [pid 5308] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5306] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5311] close(3 [pid 5310] write(3, "1000", 4 [pid 5309] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5308] <... ioctl resumed>) = 0 [pid 5307] <... ioctl resumed>) = 0 [pid 5306] <... openat resumed>) = 3 [pid 5311] <... close resumed>) = 0 [pid 5310] <... write resumed>) = 4 [pid 5309] <... ioctl resumed>) = 0 [pid 5308] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5307] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5306] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5311] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5310] close(3 [pid 5309] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5308] <... openat resumed>) = 5 [pid 5307] <... openat resumed>) = 5 [pid 5306] <... ioctl resumed>) = 0 [pid 5310] <... close resumed>) = 0 [pid 5308] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5311] <... openat resumed>) = 3 [pid 5310] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5308] <... ioctl resumed>) = 0 [pid 5311] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5310] <... openat resumed>) = 3 [pid 5309] <... openat resumed>) = 5 [pid 5308] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5307] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5306] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5311] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5310] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5308] <... ioctl resumed>) = 0 [pid 5306] <... openat resumed>) = 5 [pid 5307] <... ioctl resumed>) = 0 [pid 5309] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5307] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5306] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5311] <... openat resumed>) = 5 [pid 5309] <... ioctl resumed>) = 0 [pid 5308] poll([{fd=7, events=0}], 1, 0 [pid 5307] <... ioctl resumed>) = 0 [pid 5306] <... ioctl resumed>) = 0 [pid 5311] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5310] <... ioctl resumed>) = 0 [pid 5311] <... ioctl resumed>) = 0 [pid 5310] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5309] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5308] <... poll resumed>) = 0 (Timeout) [pid 5307] poll([{fd=7, events=0}], 1, 0 [pid 5306] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5311] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5309] <... ioctl resumed>) = 0 [pid 5308] close_range(3, 4294967295, 0 [pid 5307] <... poll resumed>) = 0 (Timeout) [pid 5306] <... ioctl resumed>) = 0 [pid 5311] <... ioctl resumed>) = 0 [pid 5310] <... openat resumed>) = 5 [pid 5307] close_range(3, 4294967295, 0 [pid 5311] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5309] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5309] close_range(3, 4294967295, 0 [pid 5308] <... close_range resumed>) = 0 [pid 5311] close_range(3, 4294967295, 0 [pid 5310] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5309] <... close_range resumed>) = 0 [pid 5309] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5311] <... close_range resumed>) = 0 [pid 5309] <... openat resumed>) = 3 [pid 5310] <... ioctl resumed>) = 0 [pid 5309] read(3, [pid 5311] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5310] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5308] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5307] <... close_range resumed>) = 0 [pid 5306] poll([{fd=7, events=0}], 1, 0 [pid 5309] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5307] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5306] <... poll resumed>) = 0 (Timeout) [pid 5311] <... openat resumed>) = 3 [pid 5311] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5310] <... ioctl resumed>) = 0 [pid 5309] exit_group(0 [pid 5308] <... openat resumed>) = 3 [pid 5307] <... openat resumed>) = 3 [pid 5306] close_range(3, 4294967295, 0 [pid 5310] poll([{fd=7, events=0}], 1, 0 [pid 5309] <... exit_group resumed>) = ? [pid 5311] exit_group(0 [pid 5308] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5311] <... exit_group resumed>) = ? [pid 5311] +++ exited with 0 +++ [pid 5308] exit_group(0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5310] <... poll resumed>) = 0 (Timeout) [pid 5308] <... exit_group resumed>) = ? [pid 5307] read(3, [pid 5306] <... close_range resumed>) = 0 [pid 5310] close_range(3, 4294967295, 0 [pid 5307] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5306] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5310] <... close_range resumed>) = 0 [pid 5309] +++ exited with 0 +++ [pid 5308] +++ exited with 0 +++ [pid 5307] exit_group(0 [pid 5306] <... openat resumed>) = 3 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5310] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5307] <... exit_group resumed>) = ? [pid 5306] read(3, [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5310] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5310] read(3, [pid 5306] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5310] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 ./strace-static-x86_64: Process 5313 attached ./strace-static-x86_64: Process 5312 attached [pid 5310] exit_group(0 [pid 5307] +++ exited with 0 +++ [pid 5306] exit_group(0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5312 [pid 5313] set_robust_list(0x5555735f3660, 24 [pid 5312] set_robust_list(0x5555735f3660, 24 [pid 5310] <... exit_group resumed>) = ? [pid 5306] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5313 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] <... set_robust_list resumed>) = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] <... prctl resumed>) = 0 [pid 5312] setpgid(0, 0 [pid 5313] setpgid(0, 0) = 0 [pid 5312] <... setpgid resumed>) = 0 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... openat resumed>) = 3 [pid 5312] <... openat resumed>) = 3 [pid 5313] write(3, "1000", 4 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5314 [pid 5313] <... write resumed>) = 4 [pid 5312] write(3, "1000", 4 [pid 5313] close(3 [pid 5312] <... write resumed>) = 4 [pid 5313] <... close resumed>) = 0 [pid 5312] close(3 [pid 5313] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5312] <... close resumed>) = 0 [pid 5313] <... openat resumed>) = 3 [pid 5312] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5313] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5312] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5314 attached [pid 5314] set_robust_list(0x5555735f3660, 24 [pid 5313] <... ioctl resumed>) = 0 [pid 5312] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5306] +++ exited with 0 +++ [pid 5314] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5315 attached [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5310] +++ exited with 0 +++ [pid 5315] set_robust_list(0x5555735f3660, 24 [pid 5314] <... prctl resumed>) = 0 [pid 5313] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5312] <... ioctl resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5315 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5313] <... openat resumed>) = 5 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5315] <... set_robust_list resumed>) = 0 [pid 5314] setpgid(0, 0 [pid 5313] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5314] <... setpgid resumed>) = 0 [pid 5312] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5315] <... prctl resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... ioctl resumed>) = 0 [pid 5312] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5316 attached [pid 5315] setpgid(0, 0 [pid 5314] <... openat resumed>) = 3 [pid 5313] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5312] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5315] <... setpgid resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5313] <... ioctl resumed>) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] write(3, "1000", 4) = 4 [pid 5314] close(3) = 0 [pid 5314] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5317 attached [pid 5315] <... openat resumed>) = 3 [pid 5313] poll([{fd=7, events=0}], 1, 0 [pid 5312] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5316 [pid 5316] set_robust_list(0x5555735f3660, 24 [pid 5314] <... openat resumed>) = 3 [pid 5313] <... poll resumed>) = 0 (Timeout) [pid 5315] write(3, "1000", 4 [pid 5314] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5313] close_range(3, 4294967295, 0 [pid 5312] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5317] set_robust_list(0x5555735f3660, 24 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5317 [pid 5315] <... write resumed>) = 4 [pid 5314] <... ioctl resumed>) = 0 [pid 5312] <... ioctl resumed>) = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5315] close(3 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5315] <... close resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5316] <... prctl resumed>) = 0 [pid 5312] poll([{fd=7, events=0}], 1, 0 [pid 5317] <... prctl resumed>) = 0 [pid 5316] setpgid(0, 0 [pid 5315] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5314] <... openat resumed>) = 5 [pid 5313] <... close_range resumed>) = 0 [pid 5312] <... poll resumed>) = 0 (Timeout) [pid 5317] setpgid(0, 0 [pid 5316] <... setpgid resumed>) = 0 [pid 5314] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5313] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5312] close_range(3, 4294967295, 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] <... ioctl resumed>) = 0 [pid 5312] <... close_range resumed>) = 0 [pid 5317] <... setpgid resumed>) = 0 [pid 5313] <... openat resumed>) = 3 [pid 5312] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5313] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5312] <... openat resumed>) = 3 [pid 5317] <... openat resumed>) = 3 [pid 5316] <... openat resumed>) = 3 [pid 5314] <... ioctl resumed>) = 0 [pid 5313] exit_group(0 [pid 5312] read(3, [pid 5314] poll([{fd=7, events=0}], 1, 0 [pid 5315] <... openat resumed>) = 3 [pid 5314] <... poll resumed>) = 0 (Timeout) [pid 5317] write(3, "1000", 4 [pid 5316] write(3, "1000", 4 [pid 5313] <... exit_group resumed>) = ? [pid 5312] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5314] close_range(3, 4294967295, 0 [pid 5317] <... write resumed>) = 4 [pid 5316] <... write resumed>) = 4 [pid 5315] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5314] <... close_range resumed>) = 0 [pid 5312] exit_group(0 [pid 5317] close(3 [pid 5316] close(3 [pid 5312] <... exit_group resumed>) = ? [pid 5317] <... close resumed>) = 0 [pid 5316] <... close resumed>) = 0 [pid 5314] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5317] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5314] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5315] <... ioctl resumed>) = 0 [pid 5314] exit_group(0) = ? [pid 5316] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5313] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5317] <... openat resumed>) = 3 [pid 5315] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5316] <... openat resumed>) = 3 [pid 5317] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5315] <... openat resumed>) = 5 [pid 5316] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5314] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5317] <... ioctl resumed>) = 0 [pid 5316] <... ioctl resumed>) = 0 [pid 5315] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5318 attached [pid 5317] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5316] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5318] set_robust_list(0x5555735f3660, 24 [pid 5317] <... openat resumed>) = 5 [pid 5315] <... ioctl resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5318 [pid 5318] <... set_robust_list resumed>) = 0 [pid 5317] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5316] <... openat resumed>) = 5 [pid 5315] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5317] <... ioctl resumed>) = 0 [pid 5316] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5315] <... ioctl resumed>) = 0 [pid 5318] <... prctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5318] setpgid(0, 0 [pid 5317] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5316] <... ioctl resumed>) = 0 [pid 5315] poll([{fd=7, events=0}], 1, 0 [pid 5317] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5319 attached [pid 5318] <... setpgid resumed>) = 0 [pid 5315] <... poll resumed>) = 0 (Timeout) [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5319 [pid 5319] set_robust_list(0x5555735f3660, 24 [pid 5317] poll([{fd=7, events=0}], 1, 0 [pid 5316] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5315] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5320 attached [pid 5319] <... set_robust_list resumed>) = 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5317] <... poll resumed>) = 0 (Timeout) [pid 5315] <... close_range resumed>) = 0 [pid 5320] set_robust_list(0x5555735f3660, 24 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] <... openat resumed>) = 3 [pid 5317] close_range(3, 4294967295, 0 [pid 5316] <... ioctl resumed>) = 0 [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... prctl resumed>) = 0 [pid 5318] write(3, "1000", 4 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5320 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] setpgid(0, 0 [pid 5318] <... write resumed>) = 4 [pid 5317] <... close_range resumed>) = 0 [pid 5316] poll([{fd=7, events=0}], 1, 0 [pid 5315] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5318] close(3 [pid 5319] <... setpgid resumed>) = 0 [pid 5320] <... prctl resumed>) = 0 [pid 5318] <... close resumed>) = 0 [pid 5316] <... poll resumed>) = 0 (Timeout) [pid 5315] <... openat resumed>) = 3 [pid 5317] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5316] close_range(3, 4294967295, 0 [pid 5320] setpgid(0, 0 [pid 5318] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5317] <... openat resumed>) = 3 [pid 5316] <... close_range resumed>) = 0 [pid 5315] read(3, [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... setpgid resumed>) = 0 [pid 5317] read(3, [pid 5315] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5318] <... openat resumed>) = 3 [pid 5317] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5315] exit_group(0 [pid 5316] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5317] exit_group(0 [pid 5316] <... openat resumed>) = 3 [pid 5315] <... exit_group resumed>) = ? [pid 5317] <... exit_group resumed>) = ? [pid 5320] <... openat resumed>) = 3 [pid 5319] <... openat resumed>) = 3 [pid 5318] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5316] read(3, [pid 5318] <... ioctl resumed>) = 0 [pid 5316] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5320] write(3, "1000", 4 [pid 5319] write(3, "1000", 4 [pid 5318] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5316] exit_group(0 [pid 5320] <... write resumed>) = 4 [pid 5320] close(3 [pid 5319] <... write resumed>) = 4 [pid 5318] <... openat resumed>) = 5 [pid 5316] <... exit_group resumed>) = ? [pid 5320] <... close resumed>) = 0 [pid 5319] close(3 [pid 5320] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5319] <... close resumed>) = 0 [pid 5318] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5317] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5319] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5318] <... ioctl resumed>) = 0 [pid 5320] <... openat resumed>) = 3 [pid 5316] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5319] <... openat resumed>) = 3 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5320] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5319] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5318] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5323 attached ./strace-static-x86_64: Process 5322 attached ./strace-static-x86_64: Process 5321 attached [pid 5320] <... ioctl resumed>) = 0 [pid 5319] <... ioctl resumed>) = 0 [pid 5318] <... ioctl resumed>) = 0 [pid 5323] set_robust_list(0x5555735f3660, 24 [pid 5321] set_robust_list(0x5555735f3660, 24 [pid 5320] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5319] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5318] poll([{fd=7, events=0}], 1, 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5321 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5323 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5322 [pid 5322] set_robust_list(0x5555735f3660, 24 [pid 5323] <... set_robust_list resumed>) = 0 [pid 5321] <... set_robust_list resumed>) = 0 [pid 5320] <... openat resumed>) = 5 [pid 5318] <... poll resumed>) = 0 (Timeout) [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5319] <... openat resumed>) = 5 [pid 5323] <... prctl resumed>) = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5320] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5318] close_range(3, 4294967295, 0 [pid 5323] setpgid(0, 0 [pid 5322] <... prctl resumed>) = 0 [pid 5319] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5323] <... setpgid resumed>) = 0 [pid 5322] setpgid(0, 0 [pid 5321] <... prctl resumed>) = 0 [pid 5319] <... ioctl resumed>) = 0 [pid 5318] <... close_range resumed>) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5322] <... setpgid resumed>) = 0 [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5321] setpgid(0, 0 [pid 5320] <... ioctl resumed>) = 0 [pid 5319] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5318] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5321] <... setpgid resumed>) = 0 [pid 5320] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5320] <... ioctl resumed>) = 0 [pid 5319] <... ioctl resumed>) = 0 [pid 5323] <... openat resumed>) = 3 [pid 5322] <... openat resumed>) = 3 [pid 5318] <... openat resumed>) = 3 [pid 5320] poll([{fd=7, events=0}], 1, 0 [pid 5323] write(3, "1000", 4 [pid 5322] write(3, "1000", 4 [pid 5319] poll([{fd=7, events=0}], 1, 0 [pid 5318] read(3, [pid 5322] <... write resumed>) = 4 [pid 5319] <... poll resumed>) = 0 (Timeout) [pid 5320] <... poll resumed>) = 0 (Timeout) [pid 5322] close(3 [pid 5323] <... write resumed>) = 4 [pid 5319] close_range(3, 4294967295, 0 [pid 5320] close_range(3, 4294967295, 0 [pid 5323] close(3 [pid 5322] <... close resumed>) = 0 [pid 5318] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5319] <... close_range resumed>) = 0 [pid 5320] <... close_range resumed>) = 0 [pid 5321] <... openat resumed>) = 3 [pid 5323] <... close resumed>) = 0 [pid 5322] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5319] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5318] exit_group(0 [pid 5323] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5321] write(3, "1000", 4 [pid 5323] <... openat resumed>) = 3 [pid 5321] <... write resumed>) = 4 [pid 5319] <... openat resumed>) = 3 [pid 5318] <... exit_group resumed>) = ? [pid 5323] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5322] <... openat resumed>) = 3 [pid 5321] close(3 [pid 5320] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5319] read(3, [pid 5322] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5319] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 84 [pid 5323] <... ioctl resumed>) = 0 [pid 5322] <... ioctl resumed>) = 0 [pid 5321] <... close resumed>) = 0 [pid 5320] <... openat resumed>) = 3 [pid 5319] exit_group(0 [pid 5323] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5322] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5321] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5320] read(3, [pid 5319] <... exit_group resumed>) = ? [pid 5318] +++ exited with 0 +++ [pid 5323] <... openat resumed>) = 5 [pid 5322] <... openat resumed>) = 5 [pid 5320] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 186 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5323] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5322] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5321] <... openat resumed>) = 3 [pid 5320] exit_group(0 [pid 5319] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5325 attached ./strace-static-x86_64: Process 5324 attached [pid 5323] <... ioctl resumed>) = 0 [pid 5322] <... ioctl resumed>) = 0 [pid 5321] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5320] <... exit_group resumed>) = ? [pid 5324] set_robust_list(0x5555735f3660, 24 [pid 5323] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5324 [pid 5325] set_robust_list(0x5555735f3660, 24 [pid 5323] <... ioctl resumed>) = 0 [pid 5322] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5321] <... ioctl resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5325 [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] <... set_robust_list resumed>) = 0 [pid 5323] poll([{fd=7, events=0}], 1, 0 [pid 5322] <... ioctl resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5323] <... poll resumed>) = 0 (Timeout) [pid 5324] <... prctl resumed>) = 0 [pid 5323] close_range(3, 4294967295, 0 [pid 5321] <... openat resumed>) = 5 [pid 5325] <... prctl resumed>) = 0 [pid 5322] poll([{fd=7, events=0}], 1, 0 [pid 5325] setpgid(0, 0 [pid 5324] setpgid(0, 0 [pid 5322] <... poll resumed>) = 0 (Timeout) [pid 5321] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5320] +++ exited with 0 +++ [pid 5325] <... setpgid resumed>) = 0 [pid 5324] <... setpgid resumed>) = 0 [pid 5323] <... close_range resumed>) = 0 [pid 5322] close_range(3, 4294967295, 0 [pid 5321] <... ioctl resumed>) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5323] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5325] <... openat resumed>) = 3 [pid 5324] <... openat resumed>) = 3 [pid 5323] <... openat resumed>) = 3 [pid 5321] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5322] <... close_range resumed>) = 0 [pid 5322] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5321] <... ioctl resumed>) = 0 [pid 5325] write(3, "1000", 4 [pid 5324] write(3, "1000", 4 [pid 5323] read(3, [pid 5322] read(3, [pid 5321] poll([{fd=7, events=0}], 1, 0 [pid 5325] <... write resumed>) = 4 [pid 5324] <... write resumed>) = 4 [pid 5323] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5322] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5321] <... poll resumed>) = 0 (Timeout) [pid 5325] close(3 [pid 5324] close(3 [pid 5321] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5326 attached [pid 5325] <... close resumed>) = 0 [pid 5324] <... close resumed>) = 0 [pid 5323] exit_group(0 [pid 5322] exit_group(0 [pid 5326] set_robust_list(0x5555735f3660, 24 [pid 5323] <... exit_group resumed>) = ? [pid 5322] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5326 [pid 5325] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5324] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5321] <... close_range resumed>) = 0 [pid 5326] <... set_robust_list resumed>) = 0 [pid 5325] <... openat resumed>) = 3 [pid 5324] <... openat resumed>) = 3 [pid 5322] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5321] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5325] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5324] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5321] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5326] <... prctl resumed>) = 0 [pid 5325] <... ioctl resumed>) = 0 [pid 5324] <... ioctl resumed>) = 0 [pid 5321] read(3, [pid 5325] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5321] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 146 [pid 5325] <... openat resumed>) = 5 [pid 5324] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5326] setpgid(0, 0) = 0 [pid 5325] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5324] <... openat resumed>) = 5 [pid 5321] exit_group(0 [pid 5325] <... ioctl resumed>) = 0 [pid 5324] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5321] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5325] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5324] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5325] <... ioctl resumed>) = 0 [pid 5324] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5328 attached [pid 5326] write(3, "1000", 4 [pid 5325] poll([{fd=7, events=0}], 1, 0 [pid 5324] <... ioctl resumed>) = 0 [pid 5328] set_robust_list(0x5555735f3660, 24 [pid 5326] <... write resumed>) = 4 [pid 5325] <... poll resumed>) = 0 (Timeout) [pid 5324] poll([{fd=7, events=0}], 1, 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5328 [pid 5326] close(3 [pid 5321] +++ exited with 0 +++ ./strace-static-x86_64: Process 5327 attached [pid 5328] <... set_robust_list resumed>) = 0 [pid 5326] <... close resumed>) = 0 [pid 5325] close_range(3, 4294967295, 0 [pid 5324] <... poll resumed>) = 0 (Timeout) [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5326] <... openat resumed>) = 3 [pid 5328] <... prctl resumed>) = 0 [pid 5326] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5325] <... close_range resumed>) = 0 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5324] close_range(3, 4294967295, 0 [pid 5328] setpgid(0, 0 [pid 5326] <... ioctl resumed>) = 0 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5327 [pid 5327] set_robust_list(0x5555735f3660, 24 [pid 5326] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5327] <... set_robust_list resumed>) = 0 [pid 5326] <... openat resumed>) = 5 [pid 5326] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] <... ioctl resumed>) = 0 [pid 5326] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5327] <... prctl resumed>) = 0 [pid 5328] <... setpgid resumed>) = 0 [pid 5325] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5324] <... close_range resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5327] setpgid(0, 0 [pid 5326] <... ioctl resumed>) = 0 [pid 5324] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] <... openat resumed>) = 3 [pid 5324] <... openat resumed>) = 3 [pid 5327] <... setpgid resumed>) = 0 [pid 5326] poll([{fd=7, events=0}], 1, 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5328] <... openat resumed>) = 3 [pid 5326] <... poll resumed>) = 0 (Timeout) [pid 5326] close_range(3, 4294967295, 0 [pid 5328] write(3, "1000", 4) = 4 [pid 5328] close(3) = 0 [pid 5328] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5324] read(3, [pid 5325] read(3, ./strace-static-x86_64: Process 5329 attached [pid 5327] <... openat resumed>) = 3 [pid 5326] <... close_range resumed>) = 0 [pid 5325] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5324] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5329] set_robust_list(0x5555735f3660, 24 [pid 5325] exit_group(0 [pid 5328] <... openat resumed>) = 3 [pid 5329] <... set_robust_list resumed>) = 0 [pid 5326] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5325] <... exit_group resumed>) = ? [pid 5324] exit_group(0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5329 [pid 5328] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5327] write(3, "1000", 4 [pid 5328] <... ioctl resumed>) = 0 [pid 5328] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5325] +++ exited with 0 +++ [pid 5327] <... write resumed>) = 4 [pid 5324] <... exit_group resumed>) = ? [pid 5329] <... prctl resumed>) = 0 [pid 5327] close(3 [pid 5329] setpgid(0, 0 [pid 5327] <... close resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5326] <... openat resumed>) = 3 [pid 5329] <... setpgid resumed>) = 0 [pid 5327] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5326] read(3, [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5326] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5328] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5324] +++ exited with 0 +++ [pid 5327] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5330 attached [pid 5328] <... ioctl resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5330 [pid 5330] set_robust_list(0x5555735f3660, 24 [pid 5329] <... openat resumed>) = 3 [pid 5328] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5326] exit_group(0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5327] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5329] write(3, "1000", 4 [pid 5330] <... set_robust_list resumed>) = 0 [pid 5328] <... ioctl resumed>) = 0 [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... write resumed>) = 4 [pid 5327] <... ioctl resumed>) = 0 [pid 5326] <... exit_group resumed>) = ? [pid 5330] <... prctl resumed>) = 0 [pid 5329] close(3 [pid 5330] setpgid(0, 0 [pid 5328] poll([{fd=7, events=0}], 1, 0 [pid 5330] <... setpgid resumed>) = 0 [pid 5329] <... close resumed>) = 0 [pid 5328] <... poll resumed>) = 0 (Timeout) [pid 5328] close_range(3, 4294967295, 0 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5329] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5327] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5330] <... openat resumed>) = 3 [pid 5328] <... close_range resumed>) = 0 [pid 5330] write(3, "1000", 4) = 4 [pid 5330] close(3 [pid 5328] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5330] <... close resumed>) = 0 [pid 5327] <... openat resumed>) = 5 [pid 5326] +++ exited with 0 +++ [pid 5329] <... openat resumed>) = 3 [pid 5330] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5329] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5327] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5328] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5331 attached [pid 5330] <... openat resumed>) = 3 [pid 5329] <... ioctl resumed>) = 0 [pid 5327] <... ioctl resumed>) = 0 [pid 5328] read(3, [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5331] set_robust_list(0x5555735f3660, 24 [pid 5329] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5327] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5330] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5328] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5331 [pid 5330] <... ioctl resumed>) = 0 [pid 5327] <... ioctl resumed>) = 0 [pid 5328] exit_group(0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5329] <... openat resumed>) = 5 [pid 5327] poll([{fd=7, events=0}], 1, 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5330] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5327] <... poll resumed>) = 0 (Timeout) [pid 5328] <... exit_group resumed>) = ? [pid 5329] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5331] <... prctl resumed>) = 0 [pid 5331] setpgid(0, 0 [pid 5329] <... ioctl resumed>) = 0 [pid 5327] close_range(3, 4294967295, 0 [pid 5331] <... setpgid resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5327] <... close_range resumed>) = 0 [pid 5329] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5329] poll([{fd=7, events=0}], 1, 0 [pid 5327] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5330] <... openat resumed>) = 5 [pid 5328] +++ exited with 0 +++ [pid 5330] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5332 attached [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5331] write(3, "1000", 4 [pid 5330] <... ioctl resumed>) = 0 [pid 5329] <... poll resumed>) = 0 (Timeout) [pid 5327] <... openat resumed>) = 3 [pid 5332] set_robust_list(0x5555735f3660, 24 [pid 5331] <... write resumed>) = 4 [pid 5329] close_range(3, 4294967295, 0 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5330] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5327] read(3, [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5332 [pid 5330] <... ioctl resumed>) = 0 [pid 5327] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence error@112.198223417: 2147483647 / 0\n\nsyz-executor286"..., 8224) = 260 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5331] close(3 [pid 5329] <... close_range resumed>) = 0 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] <... close resumed>) = 0 [pid 5330] poll([{fd=7, events=0}], 1, 0 [pid 5329] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5327] exit_group(0 [pid 5330] <... poll resumed>) = 0 (Timeout) [pid 5330] close_range(3, 4294967295, 0 [pid 5327] <... exit_group resumed>) = ? [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5331] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5330] <... close_range resumed>) = 0 [pid 5329] <... openat resumed>) = 3 [pid 5332] <... prctl resumed>) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5332] setpgid(0, 0 [pid 5329] read(3, [pid 5332] <... setpgid resumed>) = 0 [pid 5331] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5330] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5329] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5330] <... openat resumed>) = 3 [pid 5329] exit_group(0 [pid 5327] +++ exited with 0 +++ [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] <... ioctl resumed>) = 0 [pid 5330] read(3, [pid 5329] <... exit_group resumed>) = ? [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5333 attached [pid 5332] <... openat resumed>) = 3 [pid 5331] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5330] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5333] set_robust_list(0x5555735f3660, 24 [pid 5332] write(3, "1000", 4 [pid 5331] <... openat resumed>) = 5 [pid 5330] exit_group(0 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5332] <... write resumed>) = 4 [pid 5331] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5329] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5333 [pid 5332] close(3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5332] <... close resumed>) = 0 [pid 5105] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5331] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5331] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5330] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5334 attached [pid 5333] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5335 attached [pid 5334] set_robust_list(0x5555735f3660, 24 [pid 5333] setpgid(0, 0 [pid 5332] <... openat resumed>) = 3 [pid 5331] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5334 [pid 5335] set_robust_list(0x5555735f3660, 24 [pid 5334] <... set_robust_list resumed>) = 0 [pid 5333] <... setpgid resumed>) = 0 [pid 5332] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5331] poll([{fd=7, events=0}], 1, 0 [pid 5330] +++ exited with 0 +++ [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5335 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5332] <... ioctl resumed>) = 0 [pid 5331] <... poll resumed>) = 0 (Timeout) [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5332] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5334] <... prctl resumed>) = 0 [pid 5334] setpgid(0, 0 [pid 5332] <... openat resumed>) = 5 [pid 5331] close_range(3, 4294967295, 0 [pid 5335] <... prctl resumed>) = 0 [pid 5334] <... setpgid resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5333] <... openat resumed>) = 3 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5331] <... close_range resumed>) = 0 [pid 5335] setpgid(0, 0 [pid 5332] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5335] <... setpgid resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] write(3, "1000", 4 [pid 5331] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] <... write resumed>) = 4 [pid 5332] <... ioctl resumed>) = 0 [pid 5331] <... openat resumed>) = 3 [pid 5333] close(3 [pid 5334] <... openat resumed>) = 3 [pid 5333] <... close resumed>) = 0 [pid 5332] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5335] <... openat resumed>) = 3 [pid 5334] write(3, "1000", 4 [pid 5333] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5332] <... ioctl resumed>) = 0 [pid 5331] read(3, ./strace-static-x86_64: Process 5336 attached [pid 5335] write(3, "1000", 4 [pid 5334] <... write resumed>) = 4 [pid 5332] poll([{fd=7, events=0}], 1, 0 [pid 5331] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5335] <... write resumed>) = 4 [pid 5334] close(3 [pid 5333] <... openat resumed>) = 3 [pid 5332] <... poll resumed>) = 0 (Timeout) [pid 5331] exit_group(0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5336 [pid 5336] set_robust_list(0x5555735f3660, 24 [pid 5335] close(3 [pid 5334] <... close resumed>) = 0 [pid 5333] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5332] close_range(3, 4294967295, 0 [pid 5331] <... exit_group resumed>) = ? [pid 5336] <... set_robust_list resumed>) = 0 [pid 5335] <... close resumed>) = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5335] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5336] <... prctl resumed>) = 0 [pid 5332] <... close_range resumed>) = 0 [pid 5335] <... openat resumed>) = 3 [pid 5336] setpgid(0, 0) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5331] +++ exited with 0 +++ [pid 5333] <... ioctl resumed>) = 0 [pid 5332] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5335] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5335] <... ioctl resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5336] write(3, "1000", 4 [pid 5335] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5334] <... openat resumed>) = 3 [pid 5333] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5332] <... openat resumed>) = 3 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5336] <... write resumed>) = 4 [pid 5335] <... openat resumed>) = 5 [pid 5334] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5333] <... openat resumed>) = 5 [pid 5332] read(3, [pid 5336] close(3 [pid 5335] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5334] <... ioctl resumed>) = 0 [pid 5336] <... close resumed>) = 0 [pid 5335] <... ioctl resumed>) = 0 [pid 5334] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5333] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5332] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 237 [pid 5336] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5335] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5336] <... openat resumed>) = 3 [pid 5335] <... ioctl resumed>) = 0 [pid 5334] <... openat resumed>) = 5 [pid 5333] <... ioctl resumed>) = 0 [pid 5332] exit_group(0./strace-static-x86_64: Process 5337 attached [pid 5336] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5335] poll([{fd=7, events=0}], 1, 0 [pid 5334] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5333] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5332] <... exit_group resumed>) = ? [pid 5337] set_robust_list(0x5555735f3660, 24 [pid 5336] <... ioctl resumed>) = 0 [pid 5335] <... poll resumed>) = 0 (Timeout) [pid 5334] <... ioctl resumed>) = 0 [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5335] close_range(3, 4294967295, 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5337 [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] <... openat resumed>) = 5 [pid 5335] <... close_range resumed>) = 0 [pid 5337] <... prctl resumed>) = 0 [pid 5336] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5337] setpgid(0, 0 [pid 5336] <... ioctl resumed>) = 0 [pid 5337] <... setpgid resumed>) = 0 [pid 5335] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5334] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5333] <... ioctl resumed>) = 0 [pid 5332] +++ exited with 0 +++ [pid 5336] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5334] <... ioctl resumed>) = 0 [pid 5334] poll([{fd=7, events=0}], 1, 0 [pid 5333] poll([{fd=7, events=0}], 1, 0 [pid 5334] <... poll resumed>) = 0 (Timeout) [pid 5333] <... poll resumed>) = 0 (Timeout) [pid 5334] close_range(3, 4294967295, 0 [pid 5333] close_range(3, 4294967295, 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] <... ioctl resumed>) = 0 [pid 5335] <... openat resumed>) = 3 [pid 5333] <... close_range resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5336] poll([{fd=7, events=0}], 1, 0 [pid 5335] read(3, [pid 5334] <... close_range resumed>) = 0 [pid 5333] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5337] <... openat resumed>) = 3 [pid 5336] <... poll resumed>) = 0 (Timeout) [pid 5335] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5334] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5333] <... openat resumed>) = 3 [pid 5336] close_range(3, 4294967295, 0 [pid 5337] write(3, "1000", 4 [pid 5334] <... openat resumed>) = 3 [pid 5333] read(3, [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] <... write resumed>) = 4 [pid 5335] exit_group(0 [pid 5334] read(3, [pid 5333] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5337] close(3 [pid 5336] <... close_range resumed>) = 0 [pid 5335] <... exit_group resumed>) = ? [pid 5334] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 ./strace-static-x86_64: Process 5338 attached [pid 5337] <... close resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5334] exit_group(0 [pid 5333] exit_group(0 [pid 5338] set_robust_list(0x5555735f3660, 24 [pid 5337] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5334] <... exit_group resumed>) = ? [pid 5333] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5338 [pid 5338] <... set_robust_list resumed>) = 0 [pid 5337] <... openat resumed>) = 3 [pid 5336] <... openat resumed>) = 3 [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5338] <... prctl resumed>) = 0 [pid 5337] <... ioctl resumed>) = 0 [pid 5338] setpgid(0, 0 [pid 5337] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5338] <... setpgid resumed>) = 0 [pid 5337] <... openat resumed>) = 5 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5336] read(3, [pid 5333] +++ exited with 0 +++ [pid 5337] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] <... openat resumed>) = 3 [pid 5337] <... ioctl resumed>) = 0 [pid 5336] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5335] +++ exited with 0 +++ [pid 5337] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] write(3, "1000", 4 [pid 5336] exit_group(0 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5338] <... write resumed>) = 4 [pid 5337] <... ioctl resumed>) = 0 [pid 5338] close(3 [pid 5337] poll([{fd=7, events=0}], 1, 0 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5338] <... close resumed>) = 0 [pid 5337] <... poll resumed>) = 0 (Timeout) [pid 5338] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5337] close_range(3, 4294967295, 0 [pid 5336] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5338] <... openat resumed>) = 3 [pid 5337] <... close_range resumed>) = 0 [pid 5338] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 ./strace-static-x86_64: Process 5339 attached [pid 5338] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5337] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5336] +++ exited with 0 +++ [pid 5334] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5339] set_robust_list(0x5555735f3660, 24 [pid 5338] <... openat resumed>) = 5 [pid 5337] <... openat resumed>) = 3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5339 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5339] <... set_robust_list resumed>) = 0 [pid 5337] read(3, [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5338] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5337] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5337] exit_group(0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5340 attached [pid 5339] <... prctl resumed>) = 0 [pid 5338] <... ioctl resumed>) = 0 [pid 5340] set_robust_list(0x5555735f3660, 24 [pid 5339] setpgid(0, 0 [pid 5338] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5337] <... exit_group resumed>) = ? [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5340 [pid 5340] <... set_robust_list resumed>) = 0 [pid 5339] <... setpgid resumed>) = 0 [pid 5338] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5341 attached [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] poll([{fd=7, events=0}], 1, 0 [pid 5341] set_robust_list(0x5555735f3660, 24 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5341] <... set_robust_list resumed>) = 0 [pid 5340] setpgid(0, 0 [pid 5338] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5342 attached [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] <... setpgid resumed>) = 0 [pid 5339] <... openat resumed>) = 3 [pid 5338] close_range(3, 4294967295, 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5341 [pid 5342] set_robust_list(0x5555735f3660, 24 [pid 5341] <... prctl resumed>) = 0 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5339] write(3, "1000", 4 [pid 5338] <... close_range resumed>) = 0 [pid 5337] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5342 [pid 5342] <... set_robust_list resumed>) = 0 [pid 5341] setpgid(0, 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5342] <... prctl resumed>) = 0 [pid 5340] <... openat resumed>) = 3 [pid 5342] setpgid(0, 0) = 0 [pid 5341] <... setpgid resumed>) = 0 [pid 5340] write(3, "1000", 4 [pid 5339] <... write resumed>) = 4 [pid 5338] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5339] close(3) = 0 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5339] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5338] <... openat resumed>) = 3 [pid 5340] <... write resumed>) = 4 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5342] <... openat resumed>) = 3 [pid 5341] <... openat resumed>) = 3 [pid 5340] close(3 [pid 5339] <... openat resumed>) = 3 [pid 5338] read(3, ./strace-static-x86_64: Process 5343 attached [pid 5342] write(3, "1000", 4 [pid 5341] write(3, "1000", 4 [pid 5340] <... close resumed>) = 0 [pid 5343] set_robust_list(0x5555735f3660, 24 [pid 5342] <... write resumed>) = 4 [pid 5341] <... write resumed>) = 4 [pid 5340] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5339] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5338] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5343 [pid 5343] <... set_robust_list resumed>) = 0 [pid 5342] close(3 [pid 5341] close(3 [pid 5340] <... openat resumed>) = 3 [pid 5339] <... ioctl resumed>) = 0 [pid 5338] exit_group(0 [pid 5342] <... close resumed>) = 0 [pid 5341] <... close resumed>) = 0 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5340] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5343] <... prctl resumed>) = 0 [pid 5340] <... ioctl resumed>) = 0 [pid 5339] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5343] setpgid(0, 0) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5340] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5339] <... openat resumed>) = 5 [pid 5340] <... openat resumed>) = 5 [pid 5342] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5341] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5340] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5339] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5338] <... exit_group resumed>) = ? [pid 5343] <... openat resumed>) = 3 [pid 5342] <... openat resumed>) = 3 [pid 5341] <... openat resumed>) = 3 [pid 5343] write(3, "1000", 4 [pid 5342] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5341] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5340] <... ioctl resumed>) = 0 [pid 5339] <... ioctl resumed>) = 0 [pid 5338] +++ exited with 0 +++ [pid 5343] <... write resumed>) = 4 [pid 5343] close(3) = 0 [pid 5341] <... ioctl resumed>) = 0 [pid 5339] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5343] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5342] <... ioctl resumed>) = 0 [pid 5341] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5340] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5343] <... openat resumed>) = 3 [pid 5342] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5341] <... openat resumed>) = 5 [pid 5340] <... ioctl resumed>) = 0 [pid 5339] <... ioctl resumed>) = 0 [pid 5339] poll([{fd=7, events=0}], 1, 0 [pid 5343] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5342] <... openat resumed>) = 5 [pid 5341] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5340] poll([{fd=7, events=0}], 1, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5339] <... poll resumed>) = 0 (Timeout) [pid 5343] <... ioctl resumed>) = 0 [pid 5342] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5341] <... ioctl resumed>) = 0 [pid 5340] <... poll resumed>) = 0 (Timeout) [pid 5339] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5344 attached [pid 5343] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5342] <... ioctl resumed>) = 0 [pid 5341] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5340] close_range(3, 4294967295, 0 [pid 5339] <... close_range resumed>) = 0 [pid 5344] set_robust_list(0x5555735f3660, 24 [pid 5343] <... openat resumed>) = 5 [pid 5342] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5341] <... ioctl resumed>) = 0 [pid 5340] <... close_range resumed>) = 0 [pid 5339] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5344 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5341] poll([{fd=7, events=0}], 1, 0 [pid 5339] <... openat resumed>) = 3 [pid 5342] <... ioctl resumed>) = 0 [pid 5340] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5343] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5341] <... poll resumed>) = 0 (Timeout) [pid 5339] read(3, [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5339] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5340] <... openat resumed>) = 3 [pid 5343] <... ioctl resumed>) = 0 [pid 5341] close_range(3, 4294967295, 0 [pid 5344] <... prctl resumed>) = 0 [pid 5342] poll([{fd=7, events=0}], 1, 0 [pid 5340] read(3, [pid 5339] exit_group(0 [pid 5342] <... poll resumed>) = 0 (Timeout) [pid 5344] setpgid(0, 0 [pid 5342] close_range(3, 4294967295, 0 [pid 5339] <... exit_group resumed>) = ? [pid 5344] <... setpgid resumed>) = 0 [pid 5343] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5342] <... close_range resumed>) = 0 [pid 5341] <... close_range resumed>) = 0 [pid 5340] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 254 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5343] <... ioctl resumed>) = 0 [pid 5341] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5340] exit_group(0 [pid 5343] poll([{fd=7, events=0}], 1, 0 [pid 5342] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5341] <... openat resumed>) = 3 [pid 5340] <... exit_group resumed>) = ? [pid 5339] +++ exited with 0 +++ [pid 5344] <... openat resumed>) = 3 [pid 5343] <... poll resumed>) = 0 (Timeout) [pid 5342] <... openat resumed>) = 3 [pid 5343] close_range(3, 4294967295, 0 [pid 5341] read(3, [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5342] read(3, [pid 5344] write(3, "1000", 4) = 4 [pid 5342] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5341] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5344] close(3 [pid 5343] <... close_range resumed>) = 0 [pid 5342] exit_group(0 [pid 5341] exit_group(0 [pid 5340] +++ exited with 0 +++ [pid 5344] <... close resumed>) = 0 [pid 5341] <... exit_group resumed>) = ? [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5343] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5342] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5345 attached [pid 5344] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5343] <... openat resumed>) = 3 [pid 5342] +++ exited with 0 +++ [pid 5341] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5345 [pid 5345] set_robust_list(0x5555735f3660, 24 [pid 5344] <... openat resumed>) = 3 [pid 5343] read(3, [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5345] <... set_robust_list resumed>) = 0 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5344] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5343] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5346 attached [pid 5343] exit_group(0 [pid 5346] set_robust_list(0x5555735f3660, 24 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5346 [pid 5346] <... set_robust_list resumed>) = 0 [pid 5344] <... ioctl resumed>) = 0 [pid 5345] <... prctl resumed>) = 0 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5346] setpgid(0, 0 [pid 5345] setpgid(0, 0 [pid 5343] <... exit_group resumed>) = ? [pid 5346] <... setpgid resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5346] write(3, "1000", 4./strace-static-x86_64: Process 5348 attached ./strace-static-x86_64: Process 5347 attached [pid 5345] <... setpgid resumed>) = 0 [pid 5344] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5343] +++ exited with 0 +++ [pid 5348] set_robust_list(0x5555735f3660, 24 [pid 5347] set_robust_list(0x5555735f3660, 24 [pid 5346] <... write resumed>) = 4 [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] <... openat resumed>) = 5 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5347 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5348] <... set_robust_list resumed>) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] close(3 [pid 5344] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5348 [pid 5345] <... openat resumed>) = 3 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] <... close resumed>) = 0 [pid 5348] <... prctl resumed>) = 0 [pid 5347] <... prctl resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5345] write(3, "1000", 4 [pid 5344] <... ioctl resumed>) = 0 [pid 5348] setpgid(0, 0 [pid 5347] setpgid(0, 0 [pid 5345] <... write resumed>) = 4 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5348] <... setpgid resumed>) = 0 [pid 5345] close(3 [pid 5347] <... setpgid resumed>) = 0 [pid 5346] <... openat resumed>) = 3 [pid 5345] <... close resumed>) = 0 [pid 5344] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5344] <... ioctl resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5347] <... openat resumed>) = 3 [pid 5346] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5345] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5346] <... ioctl resumed>) = 0 [pid 5348] <... openat resumed>) = 3 [pid 5347] write(3, "1000", 4 [pid 5346] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5344] poll([{fd=7, events=0}], 1, 0 [pid 5347] <... write resumed>) = 4 [pid 5346] <... openat resumed>) = 5 [pid 5344] <... poll resumed>) = 0 (Timeout) [pid 5347] close(3 [pid 5344] close_range(3, 4294967295, 0 [pid 5347] <... close resumed>) = 0 [pid 5346] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5344] <... close_range resumed>) = 0 [pid 5345] <... openat resumed>) = 3 [pid 5348] write(3, "1000", 4) = 4 [pid 5347] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5346] <... ioctl resumed>) = 0 [pid 5345] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5344] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5349 attached [pid 5348] close(3 [pid 5347] <... openat resumed>) = 3 [pid 5346] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5345] <... ioctl resumed>) = 0 [pid 5344] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5349 [pid 5348] <... close resumed>) = 0 [pid 5349] set_robust_list(0x5555735f3660, 24 [pid 5348] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5347] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5346] <... ioctl resumed>) = 0 [pid 5345] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5349] <... set_robust_list resumed>) = 0 [pid 5347] <... ioctl resumed>) = 0 [pid 5346] poll([{fd=7, events=0}], 1, 0 [pid 5344] read(3, [pid 5345] <... openat resumed>) = 5 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5348] <... openat resumed>) = 3 [pid 5347] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5346] <... poll resumed>) = 0 (Timeout) [pid 5344] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 261 [pid 5345] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5349] <... prctl resumed>) = 0 [pid 5348] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5347] <... openat resumed>) = 5 [pid 5346] close_range(3, 4294967295, 0 [pid 5344] exit_group(0 [pid 5349] setpgid(0, 0 [pid 5348] <... ioctl resumed>) = 0 [pid 5347] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5346] <... close_range resumed>) = 0 [pid 5345] <... ioctl resumed>) = 0 [pid 5346] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5349] <... setpgid resumed>) = 0 [pid 5348] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5347] <... ioctl resumed>) = 0 [pid 5345] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5344] <... exit_group resumed>) = ? [pid 5348] <... openat resumed>) = 5 [pid 5347] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5346] <... openat resumed>) = 3 [pid 5345] <... ioctl resumed>) = 0 [pid 5348] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5346] read(3, [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5348] <... ioctl resumed>) = 0 [pid 5347] <... ioctl resumed>) = 0 [pid 5346] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5345] poll([{fd=7, events=0}], 1, 0 [pid 5348] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5346] exit_group(0 [pid 5348] <... ioctl resumed>) = 0 [pid 5346] <... exit_group resumed>) = ? [pid 5349] <... openat resumed>) = 3 [pid 5348] poll([{fd=7, events=0}], 1, 0 [pid 5347] poll([{fd=7, events=0}], 1, 0 [pid 5345] <... poll resumed>) = 0 (Timeout) [pid 5344] +++ exited with 0 +++ [pid 5349] write(3, "1000", 4 [pid 5348] <... poll resumed>) = 0 (Timeout) [pid 5347] <... poll resumed>) = 0 (Timeout) [pid 5345] close_range(3, 4294967295, 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5349] <... write resumed>) = 4 [pid 5348] close_range(3, 4294967295, 0 [pid 5347] close_range(3, 4294967295, 0 [pid 5349] close(3 [pid 5348] <... close_range resumed>) = 0 [pid 5347] <... close_range resumed>) = 0 [pid 5345] <... close_range resumed>) = 0 [pid 5349] <... close resumed>) = 0 [pid 5345] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5349] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5348] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5347] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5346] +++ exited with 0 +++ [pid 5345] <... openat resumed>) = 3 [pid 5345] read(3, [pid 5349] <... openat resumed>) = 3 [pid 5348] <... openat resumed>) = 3 [pid 5347] <... openat resumed>) = 3 [pid 5345] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5347] read(3, [pid 5349] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5348] read(3, [pid 5347] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5349] <... ioctl resumed>) = 0 [pid 5348] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5347] exit_group(0 [pid 5348] exit_group(0 [pid 5349] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5347] <... exit_group resumed>) = ? [pid 5345] exit_group(0 [pid 5349] <... openat resumed>) = 5 [pid 5348] <... exit_group resumed>) = ? [pid 5345] <... exit_group resumed>) = ? [pid 5348] +++ exited with 0 +++ [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5345] +++ exited with 0 +++ [pid 5349] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5350 attached [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5350 ./strace-static-x86_64: Process 5351 attached [pid 5350] set_robust_list(0x5555735f3660, 24 [pid 5349] <... ioctl resumed>) = 0 [pid 5347] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5350] <... set_robust_list resumed>) = 0 [pid 5349] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5351] set_robust_list(0x5555735f3660, 24 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5351 [pid 5351] <... set_robust_list resumed>) = 0 [pid 5350] <... prctl resumed>) = 0 [pid 5349] <... ioctl resumed>) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] setpgid(0, 0 [pid 5349] poll([{fd=7, events=0}], 1, 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5351] <... prctl resumed>) = 0 [pid 5350] <... setpgid resumed>) = 0 [pid 5349] <... poll resumed>) = 0 (Timeout) [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5349] close_range(3, 4294967295, 0 [pid 5351] setpgid(0, 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5352 attached ./strace-static-x86_64: Process 5354 attached ./strace-static-x86_64: Process 5353 attached [pid 5351] <... setpgid resumed>) = 0 [pid 5350] <... openat resumed>) = 3 [pid 5349] <... close_range resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5353 [pid 5352] set_robust_list(0x5555735f3660, 24 [pid 5354] set_robust_list(0x5555735f3660, 24 [pid 5353] set_robust_list(0x5555735f3660, 24 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] write(3, "1000", 4 [pid 5349] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5352 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5354 [pid 5352] <... set_robust_list resumed>) = 0 [pid 5354] <... set_robust_list resumed>) = 0 [pid 5353] <... set_robust_list resumed>) = 0 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5349] <... openat resumed>) = 3 [pid 5350] <... write resumed>) = 4 [pid 5350] close(3 [pid 5352] <... prctl resumed>) = 0 [pid 5354] <... prctl resumed>) = 0 [pid 5353] <... prctl resumed>) = 0 [pid 5350] <... close resumed>) = 0 [pid 5352] setpgid(0, 0 [pid 5354] setpgid(0, 0 [pid 5353] setpgid(0, 0 [pid 5351] <... openat resumed>) = 3 [pid 5349] read(3, [pid 5352] <... setpgid resumed>) = 0 [pid 5354] <... setpgid resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5353] <... setpgid resumed>) = 0 [pid 5351] write(3, "1000", 4 [pid 5349] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5350] <... openat resumed>) = 3 [pid 5349] exit_group(0 [pid 5354] <... openat resumed>) = 3 [pid 5351] <... write resumed>) = 4 [pid 5350] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5349] <... exit_group resumed>) = ? [pid 5352] <... openat resumed>) = 3 [pid 5354] write(3, "1000", 4 [pid 5353] <... openat resumed>) = 3 [pid 5351] close(3 [pid 5350] <... ioctl resumed>) = 0 [pid 5351] <... close resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5352] write(3, "1000", 4 [pid 5354] <... write resumed>) = 4 [pid 5351] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5350] <... openat resumed>) = 5 [pid 5352] <... write resumed>) = 4 [pid 5354] close(3 [pid 5353] write(3, "1000", 4 [pid 5352] close(3 [pid 5354] <... close resumed>) = 0 [pid 5353] <... write resumed>) = 4 [pid 5351] <... openat resumed>) = 3 [pid 5350] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5349] +++ exited with 0 +++ [pid 5352] <... close resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5354] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5353] close(3 [pid 5352] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5350] <... ioctl resumed>) = 0 [pid 5353] <... close resumed>) = 0 [pid 5351] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5350] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5351] <... ioctl resumed>) = 0 [pid 5351] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5350] <... ioctl resumed>) = 0 [pid 5350] poll([{fd=7, events=0}], 1, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5352] <... openat resumed>) = 3 [pid 5354] <... openat resumed>) = 3 [pid 5353] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5351] <... openat resumed>) = 5 [pid 5350] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5355 attached [pid 5352] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5354] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5353] <... openat resumed>) = 3 [pid 5351] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5350] close_range(3, 4294967295, 0 [pid 5355] set_robust_list(0x5555735f3660, 24 [pid 5352] <... ioctl resumed>) = 0 [pid 5354] <... ioctl resumed>) = 0 [pid 5353] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5351] <... ioctl resumed>) = 0 [pid 5350] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5355 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5352] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5354] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5351] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5352] <... openat resumed>) = 5 [pid 5353] <... ioctl resumed>) = 0 [pid 5351] <... ioctl resumed>) = 0 [pid 5350] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5354] <... openat resumed>) = 5 [pid 5355] <... prctl resumed>) = 0 [pid 5352] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5353] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5350] <... openat resumed>) = 3 [pid 5351] poll([{fd=7, events=0}], 1, 0 [pid 5352] <... ioctl resumed>) = 0 [pid 5351] <... poll resumed>) = 0 (Timeout) [pid 5351] close_range(3, 4294967295, 0 [pid 5350] read(3, [pid 5355] setpgid(0, 0 [pid 5352] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5354] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5353] <... openat resumed>) = 5 [pid 5351] <... close_range resumed>) = 0 [pid 5350] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 281 [pid 5352] <... ioctl resumed>) = 0 [pid 5355] <... setpgid resumed>) = 0 [pid 5354] <... ioctl resumed>) = 0 [pid 5351] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5350] exit_group(0 [pid 5351] <... openat resumed>) = 3 [pid 5350] <... exit_group resumed>) = ? [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5352] poll([{fd=7, events=0}], 1, 0 [pid 5354] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5353] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5351] read(3, [pid 5352] <... poll resumed>) = 0 (Timeout) [pid 5354] <... ioctl resumed>) = 0 [pid 5353] <... ioctl resumed>) = 0 [pid 5351] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5352] close_range(3, 4294967295, 0 [pid 5350] +++ exited with 0 +++ [pid 5355] <... openat resumed>) = 3 [pid 5352] <... close_range resumed>) = 0 [pid 5354] poll([{fd=7, events=0}], 1, 0 [pid 5353] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5351] exit_group(0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5355] write(3, "1000", 4 [pid 5354] <... poll resumed>) = 0 (Timeout) [pid 5353] <... ioctl resumed>) = 0 [pid 5351] <... exit_group resumed>) = ? [pid 5355] <... write resumed>) = 4 [pid 5354] close_range(3, 4294967295, 0 [pid 5352] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5353] poll([{fd=7, events=0}], 1, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5355] close(3) = 0 [pid 5353] <... poll resumed>) = 0 (Timeout) [pid 5353] close_range(3, 4294967295, 0 [pid 5352] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5356 attached [pid 5355] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5352] read(3, [pid 5354] <... close_range resumed>) = 0 [pid 5353] <... close_range resumed>) = 0 [pid 5351] +++ exited with 0 +++ [pid 5356] set_robust_list(0x5555735f3660, 24 [pid 5355] <... openat resumed>) = 3 [pid 5352] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5354] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5353] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5356 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5354] <... openat resumed>) = 3 [pid 5353] <... openat resumed>) = 3 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5356] <... set_robust_list resumed>) = 0 [pid 5355] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5352] exit_group(0 [pid 5354] read(3, [pid 5353] read(3, [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5357 attached ) = 0 [pid 5355] <... ioctl resumed>) = 0 [pid 5352] <... exit_group resumed>) = ? [pid 5354] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5353] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5356] setpgid(0, 0 [pid 5357] set_robust_list(0x5555735f3660, 24) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5357 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5356] <... setpgid resumed>) = 0 [pid 5355] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5354] exit_group(0 [pid 5353] exit_group(0 [pid 5357] <... prctl resumed>) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5355] <... openat resumed>) = 5 [pid 5354] <... exit_group resumed>) = ? [pid 5353] <... exit_group resumed>) = ? [pid 5357] setpgid(0, 0) = 0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5356] <... openat resumed>) = 3 [pid 5355] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5352] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5353] +++ exited with 0 +++ [pid 5355] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5356] write(3, "1000", 4 [pid 5355] <... ioctl resumed>) = 0 [pid 5357] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5357] write(3, "1000", 4 [pid 5356] <... write resumed>) = 4 [pid 5355] poll([{fd=7, events=0}], 1, 0 [pid 5354] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5357] <... write resumed>) = 4 [pid 5356] close(3 [pid 5355] <... poll resumed>) = 0 (Timeout) [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5358 attached [pid 5357] close(3 [pid 5358] set_robust_list(0x5555735f3660, 24 [pid 5357] <... close resumed>) = 0 [pid 5356] <... close resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5358 [pid 5358] <... set_robust_list resumed>) = 0 [pid 5355] close_range(3, 4294967295, 0 [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5359 attached [pid 5357] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5356] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5355] <... close_range resumed>) = 0 [pid 5359] set_robust_list(0x5555735f3660, 24 [pid 5358] setpgid(0, 0 [pid 5357] <... openat resumed>) = 3 [pid 5356] <... openat resumed>) = 3 [pid 5355] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5359 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5358] <... setpgid resumed>) = 0 [pid 5357] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5355] <... openat resumed>) = 3 [pid 5357] <... ioctl resumed>) = 0 [pid 5355] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5355] exit_group(0) = ? [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5357] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5357] <... openat resumed>) = 5 [pid 5359] <... prctl resumed>) = 0 [pid 5358] <... openat resumed>) = 3 [pid 5357] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5356] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5360 attached [pid 5359] setpgid(0, 0 [pid 5358] write(3, "1000", 4 [pid 5357] <... ioctl resumed>) = 0 [pid 5356] <... ioctl resumed>) = 0 [pid 5355] +++ exited with 0 +++ [pid 5360] set_robust_list(0x5555735f3660, 24 [pid 5359] <... setpgid resumed>) = 0 [pid 5358] <... write resumed>) = 4 [pid 5357] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5356] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5360 [pid 5360] <... set_robust_list resumed>) = 0 [pid 5358] close(3 [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5358] <... close resumed>) = 0 [pid 5357] <... ioctl resumed>) = 0 [pid 5356] <... openat resumed>) = 5 [pid 5360] <... prctl resumed>) = 0 [pid 5358] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5357] poll([{fd=7, events=0}], 1, 0 [pid 5356] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5360] setpgid(0, 0 [pid 5359] <... openat resumed>) = 3 [pid 5358] <... openat resumed>) = 3 [pid 5357] <... poll resumed>) = 0 (Timeout) [pid 5356] <... ioctl resumed>) = 0 [pid 5360] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] write(3, "1000", 4 [pid 5358] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5357] close_range(3, 4294967295, 0 [pid 5359] <... write resumed>) = 4 [pid 5358] <... ioctl resumed>) = 0 [pid 5356] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5360] <... openat resumed>) = 3 [pid 5359] close(3 [pid 5358] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5359] <... close resumed>) = 0 [pid 5357] <... close_range resumed>) = 0 [pid 5359] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5358] <... openat resumed>) = 5 [pid 5357] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5356] <... ioctl resumed>) = 0 [pid 5360] write(3, "1000", 4 [pid 5358] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5360] <... write resumed>) = 4 [pid 5359] <... openat resumed>) = 3 [pid 5358] <... ioctl resumed>) = 0 [pid 5360] close(3 [pid 5357] <... openat resumed>) = 3 [pid 5356] poll([{fd=7, events=0}], 1, 0 [pid 5360] <... close resumed>) = 0 [pid 5359] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5357] read(3, [pid 5356] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5361 attached [pid 5360] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5358] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5361] set_robust_list(0x5555735f3660, 24 [pid 5356] close_range(3, 4294967295, 0 [pid 5361] <... set_robust_list resumed>) = 0 [pid 5360] <... openat resumed>) = 3 [pid 5358] <... ioctl resumed>) = 0 [pid 5357] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 254 [pid 5356] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5361 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5360] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5359] <... ioctl resumed>) = 0 [pid 5358] poll([{fd=7, events=0}], 1, 0 [pid 5357] exit_group(0 [pid 5356] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5361] <... prctl resumed>) = 0 [pid 5358] <... poll resumed>) = 0 (Timeout) [pid 5359] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5358] close_range(3, 4294967295, 0 [pid 5357] <... exit_group resumed>) = ? [pid 5360] <... ioctl resumed>) = 0 [pid 5359] <... openat resumed>) = 5 [pid 5356] <... openat resumed>) = 3 [pid 5361] setpgid(0, 0 [pid 5359] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5359] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5361] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5358] <... close_range resumed>) = 0 [pid 5357] +++ exited with 0 +++ [pid 5356] read(3, [pid 5360] <... openat resumed>) = 5 [pid 5359] <... ioctl resumed>) = 0 [pid 5358] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5359] poll([{fd=7, events=0}], 1, 0 [pid 5358] <... openat resumed>) = 3 [pid 5356] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5357, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5360] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5359] <... poll resumed>) = 0 (Timeout) [pid 5359] close_range(3, 4294967295, 0 [pid 5358] read(3, [pid 5360] <... ioctl resumed>) = 0 [pid 5359] <... close_range resumed>) = 0 [pid 5358] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5356] exit_group(0 [pid 5360] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5359] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5358] exit_group(0 [pid 5356] <... exit_group resumed>) = ? [pid 5361] <... openat resumed>) = 3 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5359] <... openat resumed>) = 3 [pid 5358] <... exit_group resumed>) = ? [pid 5359] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5359] exit_group(0) = ? [pid 5361] write(3, "1000", 4 [pid 5360] <... ioctl resumed>) = 0 [pid 5356] +++ exited with 0 +++ ./strace-static-x86_64: Process 5362 attached [pid 5361] <... write resumed>) = 4 [pid 5360] poll([{fd=7, events=0}], 1, 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5362 [pid 5362] set_robust_list(0x5555735f3660, 24 [pid 5361] close(3 [pid 5360] <... poll resumed>) = 0 (Timeout) [pid 5358] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5362] <... set_robust_list resumed>) = 0 [pid 5361] <... close resumed>) = 0 [pid 5360] close_range(3, 4294967295, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5361] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5360] <... close_range resumed>) = 0 [pid 5359] +++ exited with 0 +++ ./strace-static-x86_64: Process 5363 attached [pid 5362] <... prctl resumed>) = 0 [pid 5361] <... openat resumed>) = 3 [pid 5363] set_robust_list(0x5555735f3660, 24 [pid 5362] setpgid(0, 0 [pid 5360] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5363] <... set_robust_list resumed>) = 0 [pid 5362] <... setpgid resumed>) = 0 [pid 5361] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5363 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] <... ioctl resumed>) = 0 [pid 5360] <... openat resumed>) = 3 [pid 5361] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5360] read(3, [pid 5363] <... prctl resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5361] <... openat resumed>) = 5 [pid 5360] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5363] setpgid(0, 0 [pid 5362] write(3, "1000", 4) = 4 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5364 attached [pid 5363] <... setpgid resumed>) = 0 [pid 5361] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5360] exit_group(0 [pid 5364] set_robust_list(0x5555735f3660, 24 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5361] <... ioctl resumed>) = 0 [pid 5360] <... exit_group resumed>) = ? [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5364 [pid 5362] close(3 [pid 5361] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5364] <... set_robust_list resumed>) = 0 [pid 5362] <... close resumed>) = 0 [pid 5361] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5365 attached [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5363] <... openat resumed>) = 3 [pid 5361] poll([{fd=7, events=0}], 1, 0 [pid 5362] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5365 [pid 5364] <... prctl resumed>) = 0 [pid 5361] <... poll resumed>) = 0 (Timeout) [pid 5365] set_robust_list(0x5555735f3660, 24 [pid 5364] setpgid(0, 0 [pid 5363] write(3, "1000", 4 [pid 5362] <... openat resumed>) = 3 [pid 5361] close_range(3, 4294967295, 0 [pid 5365] <... set_robust_list resumed>) = 0 [pid 5364] <... setpgid resumed>) = 0 [pid 5363] <... write resumed>) = 4 [pid 5361] <... close_range resumed>) = 0 [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5363] close(3 [pid 5362] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5364] <... openat resumed>) = 3 [pid 5363] <... close resumed>) = 0 [pid 5362] <... ioctl resumed>) = 0 [pid 5361] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5362] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5365] <... prctl resumed>) = 0 [pid 5363] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5365] setpgid(0, 0 [pid 5362] <... openat resumed>) = 5 [pid 5361] <... openat resumed>) = 3 [pid 5365] <... setpgid resumed>) = 0 [pid 5364] write(3, "1000", 4 [pid 5363] <... openat resumed>) = 3 [pid 5362] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5360] +++ exited with 0 +++ [pid 5361] read(3, [pid 5364] <... write resumed>) = 4 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5364] close(3 [pid 5363] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5364] <... close resumed>) = 0 [pid 5363] <... ioctl resumed>) = 0 [pid 5362] <... ioctl resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] <... openat resumed>) = 3 [pid 5364] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5363] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5362] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5361] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 ./strace-static-x86_64: Process 5366 attached [pid 5362] <... ioctl resumed>) = 0 [pid 5366] set_robust_list(0x5555735f3660, 24 [pid 5362] poll([{fd=7, events=0}], 1, 0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 5363] <... openat resumed>) = 5 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5366 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5365] write(3, "1000", 4 [pid 5364] <... openat resumed>) = 3 [pid 5362] <... poll resumed>) = 0 (Timeout) [pid 5361] exit_group(0 [pid 5366] <... prctl resumed>) = 0 [pid 5365] <... write resumed>) = 4 [pid 5362] close_range(3, 4294967295, 0 [pid 5364] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5366] setpgid(0, 0 [pid 5365] close(3 [pid 5361] <... exit_group resumed>) = ? [pid 5366] <... setpgid resumed>) = 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5365] <... close resumed>) = 0 [pid 5364] <... ioctl resumed>) = 0 [pid 5363] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5366] <... openat resumed>) = 3 [pid 5362] <... close_range resumed>) = 0 [pid 5366] write(3, "1000", 4 [pid 5365] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5364] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5363] <... ioctl resumed>) = 0 [pid 5362] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5361] +++ exited with 0 +++ [pid 5366] <... write resumed>) = 4 [pid 5365] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5363] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5366] close(3 [pid 5364] <... openat resumed>) = 5 [pid 5366] <... close resumed>) = 0 [pid 5363] <... ioctl resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5367 attached [pid 5366] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5364] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5363] poll([{fd=7, events=0}], 1, 0 [pid 5362] read(3, [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5367 [pid 5367] set_robust_list(0x5555735f3660, 24 [pid 5366] <... openat resumed>) = 3 [pid 5365] <... ioctl resumed>) = 0 [pid 5364] <... ioctl resumed>) = 0 [pid 5363] <... poll resumed>) = 0 (Timeout) [pid 5362] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5366] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5365] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5364] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5367] <... set_robust_list resumed>) = 0 [pid 5366] <... ioctl resumed>) = 0 [pid 5363] close_range(3, 4294967295, 0 [pid 5362] exit_group(0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5366] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5365] <... openat resumed>) = 5 [pid 5364] <... ioctl resumed>) = 0 [pid 5363] <... close_range resumed>) = 0 [pid 5367] <... prctl resumed>) = 0 [pid 5363] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5362] <... exit_group resumed>) = ? [pid 5367] setpgid(0, 0 [pid 5366] <... openat resumed>) = 5 [pid 5365] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5364] poll([{fd=7, events=0}], 1, 0 [pid 5363] <... openat resumed>) = 3 [pid 5367] <... setpgid resumed>) = 0 [pid 5365] <... ioctl resumed>) = 0 [pid 5364] <... poll resumed>) = 0 (Timeout) [pid 5363] read(3, [pid 5366] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5364] close_range(3, 4294967295, 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5366] <... ioctl resumed>) = 0 [pid 5365] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5363] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5367] <... openat resumed>) = 3 [pid 5366] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5365] <... ioctl resumed>) = 0 [pid 5364] <... close_range resumed>) = 0 [pid 5363] exit_group(0 [pid 5366] <... ioctl resumed>) = 0 [pid 5365] poll([{fd=7, events=0}], 1, 0 [pid 5366] poll([{fd=7, events=0}], 1, 0 [pid 5365] <... poll resumed>) = 0 (Timeout) [pid 5364] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5366] <... poll resumed>) = 0 (Timeout) [pid 5365] close_range(3, 4294967295, 0 [pid 5364] <... openat resumed>) = 3 [pid 5366] close_range(3, 4294967295, 0 [pid 5363] <... exit_group resumed>) = ? [pid 5362] +++ exited with 0 +++ [pid 5367] write(3, "1000", 4 [pid 5366] <... close_range resumed>) = 0 [pid 5365] <... close_range resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5364] read(3, [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5366] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5365] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5364] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5367] <... write resumed>) = 4 [pid 5366] <... openat resumed>) = 3 [pid 5365] <... openat resumed>) = 3 [pid 5364] exit_group(0 [pid 5363] +++ exited with 0 +++ [pid 5367] close(3) = 0 [pid 5366] read(3, [pid 5365] read(3, [pid 5364] <... exit_group resumed>) = ? [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5367] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5102] <... restart_syscall resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5366] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5365] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5367] <... openat resumed>) = 3 [pid 5367] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5366] exit_group(0 [pid 5365] exit_group(0 [pid 5366] <... exit_group resumed>) = ? [pid 5367] <... ioctl resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5368 ./strace-static-x86_64: Process 5368 attached [pid 5368] set_robust_list(0x5555735f3660, 24) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5368] setpgid(0, 0) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5369 [pid 5366] +++ exited with 0 +++ ./strace-static-x86_64: Process 5369 attached [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5364] +++ exited with 0 +++ [pid 5369] set_robust_list(0x5555735f3660, 24 [pid 5368] <... openat resumed>) = 3 [pid 5367] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5365] <... exit_group resumed>) = ? [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5369] <... set_robust_list resumed>) = 0 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5369] <... prctl resumed>) = 0 [pid 5368] write(3, "1000", 4 [pid 5367] <... openat resumed>) = 5 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5370 attached [pid 5369] setpgid(0, 0 [pid 5368] <... write resumed>) = 4 [pid 5367] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5365] +++ exited with 0 +++ ./strace-static-x86_64: Process 5371 attached [pid 5369] <... setpgid resumed>) = 0 [pid 5368] close(3 [pid 5367] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5371 [pid 5370] set_robust_list(0x5555735f3660, 24 [pid 5368] <... close resumed>) = 0 [pid 5367] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5370 [pid 5371] set_robust_list(0x5555735f3660, 24 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5368] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5367] <... ioctl resumed>) = 0 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5371] <... set_robust_list resumed>) = 0 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5367] poll([{fd=7, events=0}], 1, 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5368] <... openat resumed>) = 3 [pid 5367] <... poll resumed>) = 0 (Timeout) [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5370] <... prctl resumed>) = 0 [pid 5367] close_range(3, 4294967295, 0 [pid 5371] <... prctl resumed>) = 0 [pid 5370] setpgid(0, 0 [pid 5369] <... openat resumed>) = 3 [pid 5368] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5370] <... setpgid resumed>) = 0 [pid 5367] <... close_range resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5371] setpgid(0, 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5369] write(3, "1000", 4 [pid 5368] <... ioctl resumed>) = 0 [pid 5371] <... setpgid resumed>) = 0 [pid 5369] <... write resumed>) = 4 [pid 5368] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5369] close(3./strace-static-x86_64: Process 5372 attached [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5370] <... openat resumed>) = 3 [pid 5369] <... close resumed>) = 0 [pid 5368] <... openat resumed>) = 5 [pid 5367] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5372] set_robust_list(0x5555735f3660, 24 [pid 5371] <... openat resumed>) = 3 [pid 5370] write(3, "1000", 4 [pid 5369] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5368] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5367] <... openat resumed>) = 3 [pid 5372] <... set_robust_list resumed>) = 0 [pid 5371] write(3, "1000", 4 [pid 5370] <... write resumed>) = 4 [pid 5369] <... openat resumed>) = 3 [pid 5368] <... ioctl resumed>) = 0 [pid 5367] read(3, [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5372 [pid 5372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5371] <... write resumed>) = 4 [pid 5370] close(3 [pid 5367] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5372] <... prctl resumed>) = 0 [pid 5371] close(3 [pid 5370] <... close resumed>) = 0 [pid 5369] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5368] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5367] exit_group(0 [pid 5372] setpgid(0, 0 [pid 5371] <... close resumed>) = 0 [pid 5370] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5367] <... exit_group resumed>) = ? [pid 5372] <... setpgid resumed>) = 0 [pid 5371] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5370] <... openat resumed>) = 3 [pid 5369] <... ioctl resumed>) = 0 [pid 5368] <... ioctl resumed>) = 0 [pid 5372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] poll([{fd=7, events=0}], 1, 0 [pid 5371] <... openat resumed>) = 3 [pid 5369] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5368] <... poll resumed>) = 0 (Timeout) [pid 5372] <... openat resumed>) = 3 [pid 5371] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5369] <... openat resumed>) = 5 [pid 5368] close_range(3, 4294967295, 0 [pid 5370] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5368] <... close_range resumed>) = 0 [pid 5371] <... ioctl resumed>) = 0 [pid 5369] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5367] +++ exited with 0 +++ [pid 5372] write(3, "1000", 4 [pid 5371] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5368] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5372] <... write resumed>) = 4 [pid 5370] <... ioctl resumed>) = 0 [pid 5369] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5372] close(3 [pid 5371] <... openat resumed>) = 5 [pid 5370] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5369] <... ioctl resumed>) = 0 [pid 5368] <... openat resumed>) = 3 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5372] <... close resumed>) = 0 [pid 5372] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5371] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5370] <... openat resumed>) = 5 [pid 5369] poll([{fd=7, events=0}], 1, 0 [pid 5368] read(3, [pid 5100] <... restart_syscall resumed>) = 0 [pid 5371] <... ioctl resumed>) = 0 [pid 5370] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5369] <... poll resumed>) = 0 (Timeout) [pid 5372] <... openat resumed>) = 3 [pid 5371] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5370] <... ioctl resumed>) = 0 [pid 5369] close_range(3, 4294967295, 0 [pid 5368] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5372] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5371] <... ioctl resumed>) = 0 [pid 5370] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5369] <... close_range resumed>) = 0 [pid 5368] exit_group(0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5372] <... ioctl resumed>) = 0 [pid 5371] poll([{fd=7, events=0}], 1, 0 [pid 5370] <... ioctl resumed>) = 0 [pid 5369] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5368] <... exit_group resumed>) = ? [pid 5372] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5371] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5373 attached [pid 5372] <... openat resumed>) = 5 [pid 5371] close_range(3, 4294967295, 0 [pid 5370] poll([{fd=7, events=0}], 1, 0 [pid 5369] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5373 [pid 5373] set_robust_list(0x5555735f3660, 24 [pid 5372] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5371] <... close_range resumed>) = 0 [pid 5370] <... poll resumed>) = 0 (Timeout) [pid 5369] read(3, [pid 5373] <... set_robust_list resumed>) = 0 [pid 5370] close_range(3, 4294967295, 0 [pid 5368] +++ exited with 0 +++ [pid 5369] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5372] <... ioctl resumed>) = 0 [pid 5371] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5370] <... close_range resumed>) = 0 [pid 5373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5372] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5370] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5369] exit_group(0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5373] <... prctl resumed>) = 0 [pid 5372] <... ioctl resumed>) = 0 [pid 5370] <... openat resumed>) = 3 [pid 5369] <... exit_group resumed>) = ? [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5373] setpgid(0, 0 [pid 5371] <... openat resumed>) = 3 [pid 5371] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5371] exit_group(0 [pid 5373] <... setpgid resumed>) = 0 [pid 5372] poll([{fd=7, events=0}], 1, 0 [pid 5370] read(3, [pid 5369] +++ exited with 0 +++ [pid 5096] <... restart_syscall resumed>) = 0 [pid 5373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] <... poll resumed>) = 0 (Timeout) [pid 5371] <... exit_group resumed>) = ? [pid 5370] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5369, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5373] <... openat resumed>) = 3 [pid 5372] close_range(3, 4294967295, 0 [pid 5373] write(3, "1000", 4 [pid 5370] exit_group(0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5372] <... close_range resumed>) = 0 [pid 5370] <... exit_group resumed>) = ? [pid 5372] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5374 attached [pid 5373] <... write resumed>) = 4 [pid 5371] +++ exited with 0 +++ [pid 5370] +++ exited with 0 +++ [pid 5374] set_robust_list(0x5555735f3660, 24 [pid 5373] close(3) = 0 [pid 5373] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5374 [pid 5374] <... set_robust_list resumed>) = 0 [pid 5374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5373] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5375 attached ) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5375] set_robust_list(0x5555735f3660, 24 [pid 5374] <... prctl resumed>) = 0 [pid 5374] setpgid(0, 0) = 0 [pid 5373] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5375] <... set_robust_list resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5372] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5375 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5374] <... openat resumed>) = 3 [pid 5373] <... openat resumed>) = 5 [pid 5372] read(3, [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5375] <... prctl resumed>) = 0 [pid 5374] write(3, "1000", 4 [pid 5373] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5374] <... write resumed>) = 4 [pid 5374] close(3 [pid 5373] <... ioctl resumed>) = 0 [pid 5375] setpgid(0, 0 [pid 5374] <... close resumed>) = 0 [pid 5373] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5372] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5375] <... setpgid resumed>) = 0 [pid 5373] <... ioctl resumed>) = 0 [pid 5374] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5373] poll([{fd=7, events=0}], 1, 0 [pid 5372] exit_group(0./strace-static-x86_64: Process 5376 attached ./strace-static-x86_64: Process 5377 attached [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5374] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5373] <... poll resumed>) = 0 (Timeout) [pid 5372] <... exit_group resumed>) = ? [pid 5373] close_range(3, 4294967295, 0 [pid 5374] <... ioctl resumed>) = 0 [pid 5373] <... close_range resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5376 [pid 5374] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5373] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5374] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5373] <... openat resumed>) = 3 [pid 5374] <... ioctl resumed>) = 0 [pid 5373] read(3, [pid 5374] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5373] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5372] +++ exited with 0 +++ [pid 5377] set_robust_list(0x5555735f3660, 24 [pid 5374] <... ioctl resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5377] <... set_robust_list resumed>) = 0 [pid 5376] set_robust_list(0x5555735f3660, 24 [pid 5375] <... openat resumed>) = 3 [pid 5373] exit_group(0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5377 [pid 5374] poll([{fd=7, events=0}], 1, 0 [pid 5373] <... exit_group resumed>) = ? [pid 5377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5376] <... set_robust_list resumed>) = 0 [pid 5375] write(3, "1000", 4 [pid 5374] <... poll resumed>) = 0 (Timeout) [pid 5377] <... prctl resumed>) = 0 [pid 5376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5375] <... write resumed>) = 4 [pid 5374] close_range(3, 4294967295, 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] setpgid(0, 0 [pid 5376] <... prctl resumed>) = 0 [pid 5375] close(3 [pid 5374] <... close_range resumed>) = 0 [pid 5373] +++ exited with 0 +++ [pid 5374] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5377] <... setpgid resumed>) = 0 [pid 5376] setpgid(0, 0 [pid 5375] <... close resumed>) = 0 [pid 5374] <... openat resumed>) = 3 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5375] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5376] <... setpgid resumed>) = 0 [pid 5377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5377] <... openat resumed>) = 3 [pid 5375] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5379 attached ./strace-static-x86_64: Process 5378 attached [pid 5377] write(3, "1000", 4 [pid 5376] <... openat resumed>) = 3 [pid 5375] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5374] read(3, [pid 5379] set_robust_list(0x5555735f3660, 24 [pid 5378] set_robust_list(0x5555735f3660, 24 [pid 5377] <... write resumed>) = 4 [pid 5376] write(3, "1000", 4 [pid 5379] <... set_robust_list resumed>) = 0 [pid 5378] <... set_robust_list resumed>) = 0 [pid 5377] close(3 [pid 5375] <... ioctl resumed>) = 0 [pid 5374] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5376] <... write resumed>) = 4 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5379 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5378 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] <... close resumed>) = 0 [pid 5378] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5379] <... prctl resumed>) = 0 [pid 5378] <... prctl resumed>) = 0 [pid 5377] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5376] close(3 [pid 5375] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5374] exit_group(0 [pid 5379] setpgid(0, 0 [pid 5378] setpgid(0, 0 [pid 5376] <... close resumed>) = 0 [pid 5377] <... openat resumed>) = 3 [pid 5375] <... openat resumed>) = 5 [pid 5374] <... exit_group resumed>) = ? [pid 5379] <... setpgid resumed>) = 0 [pid 5378] <... setpgid resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5377] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5376] <... openat resumed>) = 3 [pid 5375] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5376] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5376] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5376] <... openat resumed>) = 5 [pid 5376] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5379] <... openat resumed>) = 3 [pid 5378] <... openat resumed>) = 3 [pid 5377] <... ioctl resumed>) = 0 [pid 5376] <... ioctl resumed>) = 0 [pid 5375] <... ioctl resumed>) = 0 [pid 5374] +++ exited with 0 +++ [pid 5379] write(3, "1000", 4 [pid 5376] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5379] <... write resumed>) = 4 [pid 5378] write(3, "1000", 4 [pid 5376] <... ioctl resumed>) = 0 [pid 5379] close(3) = 0 [pid 5379] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5376] poll([{fd=7, events=0}], 1, 0 [pid 5379] <... openat resumed>) = 3 [pid 5378] <... write resumed>) = 4 [pid 5377] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5375] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5378] close(3 [pid 5377] <... openat resumed>) = 5 [pid 5376] <... poll resumed>) = 0 (Timeout) [pid 5375] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5379] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5378] <... close resumed>) = 0 [pid 5379] <... ioctl resumed>) = 0 [pid 5378] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5376] close_range(3, 4294967295, 0) = 0 [pid 5375] poll([{fd=7, events=0}], 1, 0 [pid 5379] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5378] <... openat resumed>) = 3 [pid 5377] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5379] <... openat resumed>) = 5 [pid 5378] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5377] <... ioctl resumed>) = 0 [pid 5376] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5375] <... poll resumed>) = 0 (Timeout) [pid 5379] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5377] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5376] <... openat resumed>) = 3 [pid 5375] close_range(3, 4294967295, 0 [pid 5379] <... ioctl resumed>) = 0 [pid 5378] <... ioctl resumed>) = 0 [pid 5377] <... ioctl resumed>) = 0 [pid 5375] <... close_range resumed>) = 0 [pid 5379] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5376] read(3, [pid 5379] <... ioctl resumed>) = 0 [pid 5378] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5377] poll([{fd=7, events=0}], 1, 0 [pid 5376] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 285 ./strace-static-x86_64: Process 5380 attached [pid 5379] poll([{fd=7, events=0}], 1, 0 [pid 5378] <... openat resumed>) = 5 [pid 5377] <... poll resumed>) = 0 (Timeout) [pid 5375] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5380] set_robust_list(0x5555735f3660, 24 [pid 5379] <... poll resumed>) = 0 (Timeout) [pid 5378] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5377] close_range(3, 4294967295, 0 [pid 5376] exit_group(0 [pid 5375] <... openat resumed>) = 3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5380 [pid 5379] close_range(3, 4294967295, 0) = 0 [pid 5377] <... close_range resumed>) = 0 [pid 5380] <... set_robust_list resumed>) = 0 [pid 5379] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5378] <... ioctl resumed>) = 0 [pid 5380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5377] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5376] <... exit_group resumed>) = ? [pid 5375] read(3, [pid 5378] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5380] <... prctl resumed>) = 0 [pid 5379] <... openat resumed>) = 3 [pid 5378] <... ioctl resumed>) = 0 [pid 5375] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5375] exit_group(0) = ? [pid 5380] setpgid(0, 0 [pid 5379] read(3, [pid 5378] poll([{fd=7, events=0}], 1, 0 [pid 5377] <... openat resumed>) = 3 [pid 5376] +++ exited with 0 +++ [pid 5380] <... setpgid resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5379] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5378] <... poll resumed>) = 0 (Timeout) [pid 5379] exit_group(0 [pid 5378] close_range(3, 4294967295, 0 [pid 5377] read(3, [pid 5380] <... openat resumed>) = 3 [pid 5379] <... exit_group resumed>) = ? [pid 5378] <... close_range resumed>) = 0 [pid 5377] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 ./strace-static-x86_64: Process 5381 attached [pid 5380] write(3, "1000", 4 [pid 5379] +++ exited with 0 +++ [pid 5378] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5377] exit_group(0 [pid 5375] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5381 [pid 5381] set_robust_list(0x5555735f3660, 24 [pid 5380] <... write resumed>) = 4 [pid 5378] <... openat resumed>) = 3 [pid 5377] <... exit_group resumed>) = ? [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5379, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5380] close(3 [pid 5381] <... set_robust_list resumed>) = 0 [pid 5381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5380] <... close resumed>) = 0 [pid 5381] <... prctl resumed>) = 0 [pid 5380] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5378] read(3, [pid 5377] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5381] setpgid(0, 0 [pid 5380] <... openat resumed>) = 3 [pid 5378] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5381] <... setpgid resumed>) = 0 [pid 5378] exit_group(0 [pid 5381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5378] <... exit_group resumed>) = ? [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5382 attached [pid 5381] <... openat resumed>) = 3 [pid 5380] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5383 ./strace-static-x86_64: Process 5383 attached [pid 5383] set_robust_list(0x5555735f3660, 24 [pid 5382] set_robust_list(0x5555735f3660, 24 [pid 5381] write(3, "1000", 4 [pid 5380] <... ioctl resumed>) = 0 [pid 5378] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5382 [pid 5383] <... set_robust_list resumed>) = 0 [pid 5381] <... write resumed>) = 4 [pid 5380] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5381] close(3 [pid 5380] <... openat resumed>) = 5 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5382] <... set_robust_list resumed>) = 0 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5383] <... prctl resumed>) = 0 [pid 5382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5381] <... close resumed>) = 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5383] setpgid(0, 0 [pid 5382] <... prctl resumed>) = 0 [pid 5381] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5380] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5384 attached [pid 5383] <... setpgid resumed>) = 0 [pid 5382] setpgid(0, 0 [pid 5381] <... openat resumed>) = 3 [pid 5380] <... ioctl resumed>) = 0 [pid 5384] set_robust_list(0x5555735f3660, 24 [pid 5382] <... setpgid resumed>) = 0 [pid 5380] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5384] <... set_robust_list resumed>) = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5381] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5380] <... ioctl resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5384 [pid 5384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5383] <... openat resumed>) = 3 [pid 5382] <... openat resumed>) = 3 [pid 5381] <... ioctl resumed>) = 0 [pid 5380] poll([{fd=7, events=0}], 1, 0 [pid 5384] <... prctl resumed>) = 0 [pid 5383] write(3, "1000", 4 [pid 5380] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5385 attached [pid 5384] setpgid(0, 0 [pid 5383] <... write resumed>) = 4 [pid 5382] write(3, "1000", 4 [pid 5381] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5380] close_range(3, 4294967295, 0 [pid 5384] <... setpgid resumed>) = 0 [pid 5383] close(3 [pid 5382] <... write resumed>) = 4 [pid 5381] <... openat resumed>) = 5 [pid 5380] <... close_range resumed>) = 0 [pid 5385] set_robust_list(0x5555735f3660, 24 [pid 5384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5383] <... close resumed>) = 0 [pid 5382] close(3 [pid 5381] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5385 [pid 5382] <... close resumed>) = 0 [pid 5380] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5385] <... set_robust_list resumed>) = 0 [pid 5383] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5382] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5381] <... ioctl resumed>) = 0 [pid 5380] <... openat resumed>) = 3 [pid 5385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5384] <... openat resumed>) = 3 [pid 5383] <... openat resumed>) = 3 [pid 5382] <... openat resumed>) = 3 [pid 5380] read(3, [pid 5385] <... prctl resumed>) = 0 [pid 5382] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5381] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5385] setpgid(0, 0 [pid 5382] <... ioctl resumed>) = 0 [pid 5383] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5385] <... setpgid resumed>) = 0 [pid 5382] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5381] <... ioctl resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5384] write(3, "1000", 4 [pid 5383] <... ioctl resumed>) = 0 [pid 5382] <... openat resumed>) = 5 [pid 5381] poll([{fd=7, events=0}], 1, 0 [pid 5380] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 241 [pid 5385] <... openat resumed>) = 3 [pid 5384] <... write resumed>) = 4 [pid 5382] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5380] exit_group(0 [pid 5384] close(3 [pid 5383] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5381] <... poll resumed>) = 0 (Timeout) [pid 5380] <... exit_group resumed>) = ? [pid 5384] <... close resumed>) = 0 [pid 5383] <... openat resumed>) = 5 [pid 5381] close_range(3, 4294967295, 0 [pid 5385] write(3, "1000", 4 [pid 5382] <... ioctl resumed>) = 0 [pid 5385] <... write resumed>) = 4 [pid 5382] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5385] close(3 [pid 5382] <... ioctl resumed>) = 0 [pid 5385] <... close resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5382] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5382] close_range(3, 4294967295, 0 [pid 5385] <... openat resumed>) = 3 [pid 5382] <... close_range resumed>) = 0 [pid 5385] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5382] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5380] +++ exited with 0 +++ [pid 5385] <... ioctl resumed>) = 0 [pid 5384] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5383] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5382] <... openat resumed>) = 3 [pid 5381] <... close_range resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5383] <... ioctl resumed>) = 0 [pid 5385] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5385] <... openat resumed>) = 5 [pid 5384] <... openat resumed>) = 3 [pid 5383] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5382] read(3, [pid 5381] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] <... restart_syscall resumed>) = 0 [pid 5385] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5383] <... ioctl resumed>) = 0 [pid 5382] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 230 [pid 5385] <... ioctl resumed>) = 0 [pid 5384] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5383] poll([{fd=7, events=0}], 1, 0 [pid 5381] <... openat resumed>) = 3 [pid 5385] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5383] <... poll resumed>) = 0 (Timeout) [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] <... ioctl resumed>) = 0 [pid 5385] <... ioctl resumed>) = 0 [pid 5383] close_range(3, 4294967295, 0 [pid 5382] exit_group(0 [pid 5381] read(3, ./strace-static-x86_64: Process 5386 attached [pid 5385] poll([{fd=7, events=0}], 1, 0 [pid 5384] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5383] <... close_range resumed>) = 0 [pid 5386] set_robust_list(0x5555735f3660, 24 [pid 5385] <... poll resumed>) = 0 (Timeout) [pid 5382] <... exit_group resumed>) = ? [pid 5386] <... set_robust_list resumed>) = 0 [pid 5385] close_range(3, 4294967295, 0 [pid 5381] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5386 [pid 5386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5385] <... close_range resumed>) = 0 [pid 5384] <... openat resumed>) = 5 [pid 5385] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5386] <... prctl resumed>) = 0 [pid 5385] <... openat resumed>) = 3 [pid 5386] setpgid(0, 0) = 0 [pid 5386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5382] +++ exited with 0 +++ [pid 5385] read(3, [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5385] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5383] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5386] <... openat resumed>) = 3 [pid 5385] exit_group(0 [pid 5383] <... openat resumed>) = 3 [pid 5381] exit_group(0 [pid 5384] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5383] read(3, [pid 5381] <... exit_group resumed>) = ? [pid 5385] <... exit_group resumed>) = ? [pid 5386] write(3, "1000", 4 [pid 5385] +++ exited with 0 +++ [pid 5384] <... ioctl resumed>) = 0 [pid 5383] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5381] +++ exited with 0 +++ [pid 5386] <... write resumed>) = 4 [pid 5384] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5386] close(3) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5384] <... ioctl resumed>) = 0 [pid 5383] exit_group(0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5387 [pid 5384] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5384] close_range(3, 4294967295, 0 [pid 5383] <... exit_group resumed>) = ? [pid 5384] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5387 attached [pid 5384] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5387] set_robust_list(0x5555735f3660, 24 [pid 5386] <... openat resumed>) = 3 [pid 5384] <... openat resumed>) = 3 [pid 5387] <... set_robust_list resumed>) = 0 [pid 5386] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5388 attached [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5386] <... ioctl resumed>) = 0 [pid 5384] read(3, [pid 5383] +++ exited with 0 +++ [pid 5387] <... prctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5388] set_robust_list(0x5555735f3660, 24 [pid 5387] setpgid(0, 0 [pid 5386] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5384] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 ./strace-static-x86_64: Process 5389 attached [pid 5388] <... set_robust_list resumed>) = 0 [pid 5387] <... setpgid resumed>) = 0 [pid 5386] <... openat resumed>) = 5 [pid 5384] exit_group(0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5388 [pid 5389] set_robust_list(0x5555735f3660, 24 [pid 5388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5386] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5384] <... exit_group resumed>) = ? [pid 5389] <... set_robust_list resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5389 [pid 5388] <... prctl resumed>) = 0 [pid 5387] <... openat resumed>) = 3 [pid 5386] <... ioctl resumed>) = 0 [pid 5387] write(3, "1000", 4 [pid 5386] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5390 attached [pid 5390] set_robust_list(0x5555735f3660, 24 [pid 5389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5388] setpgid(0, 0 [pid 5387] <... write resumed>) = 4 [pid 5386] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5390 [pid 5390] <... set_robust_list resumed>) = 0 [pid 5387] close(3 [pid 5386] poll([{fd=7, events=0}], 1, 0 [pid 5390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5389] <... prctl resumed>) = 0 [pid 5388] <... setpgid resumed>) = 0 [pid 5387] <... close resumed>) = 0 [pid 5390] <... prctl resumed>) = 0 [pid 5389] setpgid(0, 0 [pid 5388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5386] <... poll resumed>) = 0 (Timeout) [pid 5384] +++ exited with 0 +++ [pid 5390] setpgid(0, 0 [pid 5389] <... setpgid resumed>) = 0 [pid 5386] close_range(3, 4294967295, 0 [pid 5390] <... setpgid resumed>) = 0 [pid 5389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5387] <... openat resumed>) = 3 [pid 5386] <... close_range resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5388] <... openat resumed>) = 3 [pid 5095] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5390] <... openat resumed>) = 3 [pid 5389] <... openat resumed>) = 3 [pid 5388] write(3, "1000", 4 [pid 5387] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5386] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5389] write(3, "1000", 4 [pid 5388] <... write resumed>) = 4 [pid 5387] <... ioctl resumed>) = 0 [pid 5388] close(3 [pid 5390] write(3, "1000", 4 [pid 5389] <... write resumed>) = 4 [pid 5388] <... close resumed>) = 0 [pid 5386] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5391 attached [pid 5390] <... write resumed>) = 4 [pid 5389] close(3 [pid 5388] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5387] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5389] <... close resumed>) = 0 [pid 5388] <... openat resumed>) = 3 [pid 5391] set_robust_list(0x5555735f3660, 24 [pid 5390] close(3 [pid 5389] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5388] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5387] <... openat resumed>) = 5 [pid 5386] read(3, [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5391 [pid 5391] <... set_robust_list resumed>) = 0 [pid 5390] <... close resumed>) = 0 [pid 5389] <... openat resumed>) = 3 [pid 5388] <... ioctl resumed>) = 0 [pid 5387] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5386] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5388] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5390] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5388] <... openat resumed>) = 5 [pid 5386] exit_group(0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5389] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5388] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5391] <... prctl resumed>) = 0 [pid 5390] <... openat resumed>) = 3 [pid 5389] <... ioctl resumed>) = 0 [pid 5387] <... ioctl resumed>) = 0 [pid 5386] <... exit_group resumed>) = ? [pid 5391] setpgid(0, 0 [pid 5388] <... ioctl resumed>) = 0 [pid 5390] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5389] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5388] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5388] poll([{fd=7, events=0}], 1, 0 [pid 5391] <... setpgid resumed>) = 0 [pid 5390] <... ioctl resumed>) = 0 [pid 5389] <... openat resumed>) = 5 [pid 5387] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5386] +++ exited with 0 +++ [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5390] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5389] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5388] <... poll resumed>) = 0 (Timeout) [pid 5387] <... ioctl resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5386, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5391] <... openat resumed>) = 3 [pid 5390] <... openat resumed>) = 5 [pid 5389] <... ioctl resumed>) = 0 [pid 5388] close_range(3, 4294967295, 0 [pid 5387] poll([{fd=7, events=0}], 1, 0 [pid 5391] write(3, "1000", 4 [pid 5390] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5389] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5388] <... close_range resumed>) = 0 [pid 5387] <... poll resumed>) = 0 (Timeout) [pid 5391] <... write resumed>) = 4 [pid 5390] <... ioctl resumed>) = 0 [pid 5391] close(3 [pid 5390] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5388] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5387] close_range(3, 4294967295, 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5389] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5392 attached [pid 5391] <... close resumed>) = 0 [pid 5390] <... ioctl resumed>) = 0 [pid 5388] <... openat resumed>) = 3 [pid 5387] <... close_range resumed>) = 0 [pid 5392] set_robust_list(0x5555735f3660, 24 [pid 5391] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5390] poll([{fd=7, events=0}], 1, 0 [pid 5389] poll([{fd=7, events=0}], 1, 0 [pid 5388] read(3, [pid 5387] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5392 [pid 5392] <... set_robust_list resumed>) = 0 [pid 5390] <... poll resumed>) = 0 (Timeout) [pid 5389] <... poll resumed>) = 0 (Timeout) [pid 5388] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5387] <... openat resumed>) = 3 [pid 5390] close_range(3, 4294967295, 0 [pid 5389] close_range(3, 4294967295, 0 [pid 5392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5391] <... openat resumed>) = 3 [pid 5390] <... close_range resumed>) = 0 [pid 5389] <... close_range resumed>) = 0 [pid 5388] exit_group(0 [pid 5387] read(3, [pid 5392] <... prctl resumed>) = 0 [pid 5387] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5392] setpgid(0, 0 [pid 5391] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5392] <... setpgid resumed>) = 0 [pid 5391] <... ioctl resumed>) = 0 [pid 5390] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5387] exit_group(0 [pid 5392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5391] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5389] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5388] <... exit_group resumed>) = ? [pid 5390] <... openat resumed>) = 3 [pid 5392] <... openat resumed>) = 3 [pid 5391] <... openat resumed>) = 5 [pid 5387] <... exit_group resumed>) = ? [pid 5391] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5388] +++ exited with 0 +++ [pid 5392] write(3, "1000", 4 [pid 5391] <... ioctl resumed>) = 0 [pid 5389] <... openat resumed>) = 3 [pid 5390] read(3, [pid 5392] <... write resumed>) = 4 [pid 5391] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5389] read(3, [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5391] <... ioctl resumed>) = 0 [pid 5390] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5389] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5392] close(3) = 0 [pid 5391] poll([{fd=7, events=0}], 1, 0 [pid 5389] exit_group(0 [pid 5392] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5391] <... poll resumed>) = 0 (Timeout) [pid 5390] exit_group(0 [pid 5389] <... exit_group resumed>) = ? [pid 5392] <... openat resumed>) = 3 [pid 5391] close_range(3, 4294967295, 0 [pid 5390] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5392] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5391] <... close_range resumed>) = 0 [pid 5387] +++ exited with 0 +++ [pid 5392] <... ioctl resumed>) = 0 [pid 5391] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5392] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5391] read(3, [pid 5392] <... openat resumed>) = 5 [pid 5391] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5390] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5392] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5391] exit_group(0 [pid 5392] <... ioctl resumed>) = 0 [pid 5391] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5393 attached [pid 5392] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5393] set_robust_list(0x5555735f3660, 24 [pid 5389] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5393 [pid 5393] <... set_robust_list resumed>) = 0 [pid 5392] <... ioctl resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5392] poll([{fd=7, events=0}], 1, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5394 attached [pid 5393] <... prctl resumed>) = 0 [pid 5392] <... poll resumed>) = 0 (Timeout) [pid 5391] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5395 attached [pid 5394] set_robust_list(0x5555735f3660, 24 [pid 5393] setpgid(0, 0 [pid 5392] close_range(3, 4294967295, 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5395] set_robust_list(0x5555735f3660, 24 [pid 5393] <... setpgid resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5395 [pid 5395] <... set_robust_list resumed>) = 0 [pid 5393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5396 attached [pid 5394] <... set_robust_list resumed>) = 0 [pid 5393] <... openat resumed>) = 3 [pid 5392] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5394 ./strace-static-x86_64: Process 5397 attached [pid 5397] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5397 [pid 5397] <... set_robust_list resumed>) = 0 [pid 5394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5393] write(3, "1000", 4 [pid 5392] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5396 [pid 5397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5396] set_robust_list(0x5555735f3660, 24 [pid 5394] <... prctl resumed>) = 0 [pid 5394] setpgid(0, 0 [pid 5397] <... prctl resumed>) = 0 [pid 5396] <... set_robust_list resumed>) = 0 [pid 5392] <... openat resumed>) = 3 [pid 5394] <... setpgid resumed>) = 0 [pid 5397] setpgid(0, 0 [pid 5393] <... write resumed>) = 4 [pid 5397] <... setpgid resumed>) = 0 [pid 5396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5395] <... prctl resumed>) = 0 [pid 5394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5393] close(3 [pid 5392] read(3, [pid 5396] <... prctl resumed>) = 0 [pid 5397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5396] setpgid(0, 0 [pid 5395] setpgid(0, 0 [pid 5393] <... close resumed>) = 0 [pid 5395] <... setpgid resumed>) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5392] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5393] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5397] <... openat resumed>) = 3 [pid 5396] <... setpgid resumed>) = 0 [pid 5395] <... openat resumed>) = 3 [pid 5394] <... openat resumed>) = 3 [pid 5392] exit_group(0 [pid 5397] write(3, "1000", 4) = 4 [pid 5396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5395] write(3, "1000", 4 [pid 5394] write(3, "1000", 4 [pid 5393] <... openat resumed>) = 3 [pid 5392] <... exit_group resumed>) = ? [pid 5397] close(3 [pid 5396] <... openat resumed>) = 3 [pid 5395] <... write resumed>) = 4 [pid 5394] <... write resumed>) = 4 [pid 5393] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5397] <... close resumed>) = 0 [pid 5395] close(3 [pid 5394] close(3 [pid 5397] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5396] write(3, "1000", 4 [pid 5395] <... close resumed>) = 0 [pid 5394] <... close resumed>) = 0 [pid 5393] <... ioctl resumed>) = 0 [pid 5392] +++ exited with 0 +++ [pid 5396] <... write resumed>) = 4 [pid 5393] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5397] <... openat resumed>) = 3 [pid 5395] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5394] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5396] close(3 [pid 5393] <... openat resumed>) = 5 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5397] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5396] <... close resumed>) = 0 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5397] <... ioctl resumed>) = 0 [pid 5396] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5395] <... openat resumed>) = 3 [pid 5393] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5397] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5396] <... openat resumed>) = 3 [pid 5394] <... openat resumed>) = 3 [pid 5397] <... openat resumed>) = 5 [pid 5396] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5395] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5393] <... ioctl resumed>) = 0 [pid 5397] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5395] <... ioctl resumed>) = 0 [pid 5394] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5393] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5397] <... ioctl resumed>) = 0 [pid 5395] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5394] <... ioctl resumed>) = 0 [pid 5393] <... ioctl resumed>) = 0 [pid 5397] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5396] <... ioctl resumed>) = 0 [pid 5395] <... openat resumed>) = 5 [pid 5394] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5393] poll([{fd=7, events=0}], 1, 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5396] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5395] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5393] <... poll resumed>) = 0 (Timeout) [pid 5397] <... ioctl resumed>) = 0 [pid 5395] <... ioctl resumed>) = 0 [pid 5394] <... openat resumed>) = 5 [pid 5397] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5397] close_range(3, 4294967295, 0 [pid 5393] close_range(3, 4294967295, 0 [pid 5397] <... close_range resumed>) = 0 [pid 5396] <... openat resumed>) = 5 [pid 5393] <... close_range resumed>) = 0 [pid 5395] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5394] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5396] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5397] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5395] <... ioctl resumed>) = 0 [pid 5394] <... ioctl resumed>) = 0 [pid 5396] <... ioctl resumed>) = 0 [pid 5396] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5395] poll([{fd=7, events=0}], 1, 0 [pid 5393] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5394] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5395] <... poll resumed>) = 0 (Timeout) [pid 5395] close_range(3, 4294967295, 0 [pid 5397] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5393] <... openat resumed>) = 3 [pid 5394] <... ioctl resumed>) = 0 [pid 5397] exit_group(0) = ? ./strace-static-x86_64: Process 5398 attached [pid 5397] +++ exited with 0 +++ [pid 5396] <... ioctl resumed>) = 0 [pid 5395] <... close_range resumed>) = 0 [pid 5394] poll([{fd=7, events=0}], 1, 0 [pid 5393] read(3, [pid 5398] set_robust_list(0x5555735f3660, 24 [pid 5396] poll([{fd=7, events=0}], 1, 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5398 [pid 5398] <... set_robust_list resumed>) = 0 [pid 5394] <... poll resumed>) = 0 (Timeout) [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5396] <... poll resumed>) = 0 (Timeout) [pid 5395] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5394] close_range(3, 4294967295, 0 [pid 5393] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5398] <... prctl resumed>) = 0 [pid 5398] setpgid(0, 0 [pid 5396] close_range(3, 4294967295, 0 [pid 5398] <... setpgid resumed>) = 0 [pid 5398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5396] <... close_range resumed>) = 0 [pid 5395] <... openat resumed>) = 3 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5398] <... openat resumed>) = 3 [pid 5393] exit_group(0 [pid 5398] write(3, "1000", 4./strace-static-x86_64: Process 5399 attached [pid 5396] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5395] read(3, [pid 5394] <... close_range resumed>) = 0 [pid 5393] <... exit_group resumed>) = ? [pid 5398] <... write resumed>) = 4 [pid 5396] <... openat resumed>) = 3 [pid 5395] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5398] close(3 [pid 5394] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5399] set_robust_list(0x5555735f3660, 24 [pid 5398] <... close resumed>) = 0 [pid 5395] exit_group(0 [pid 5394] <... openat resumed>) = 3 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5399 [pid 5398] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5396] read(3, [pid 5399] <... set_robust_list resumed>) = 0 [pid 5398] <... openat resumed>) = 3 [pid 5396] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5395] <... exit_group resumed>) = ? [pid 5394] read(3, [pid 5396] exit_group(0 [pid 5394] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5398] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5398] <... ioctl resumed>) = 0 [pid 5396] <... exit_group resumed>) = ? [pid 5394] exit_group(0 [pid 5399] <... prctl resumed>) = 0 [pid 5399] setpgid(0, 0 [pid 5396] +++ exited with 0 +++ [pid 5395] +++ exited with 0 +++ [pid 5399] <... setpgid resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5394] <... exit_group resumed>) = ? [pid 5399] <... openat resumed>) = 3 [pid 5393] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5399] write(3, "1000", 4 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5399] <... write resumed>) = 4 [pid 5398] <... openat resumed>) = 5 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5398] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5399] close(3) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5399] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5399] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5399] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5394] +++ exited with 0 +++ [pid 5398] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5400 attached [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5394, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5400 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5400] set_robust_list(0x5555735f3660, 24 [pid 5399] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5398] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5100] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5401 attached [pid 5400] <... set_robust_list resumed>) = 0 [pid 5399] <... ioctl resumed>) = 0 [pid 5398] <... ioctl resumed>) = 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5401] set_robust_list(0x5555735f3660, 24 [pid 5400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5399] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5398] poll([{fd=7, events=0}], 1, 0 [pid 5401] <... set_robust_list resumed>) = 0 [pid 5400] <... prctl resumed>) = 0 [pid 5399] <... ioctl resumed>) = 0 [pid 5398] <... poll resumed>) = 0 (Timeout) [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5401 [pid 5400] setpgid(0, 0 [pid 5398] close_range(3, 4294967295, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5400] <... setpgid resumed>) = 0 [pid 5399] poll([{fd=7, events=0}], 1, 0 [pid 5398] <... close_range resumed>) = 0 [pid 5399] <... poll resumed>) = 0 (Timeout) [pid 5399] close_range(3, 4294967295, 0 [pid 5400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5398] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5399] <... close_range resumed>) = 0 [pid 5399] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5398] <... openat resumed>) = 3 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5400] <... openat resumed>) = 3 [pid 5401] <... prctl resumed>) = 0 [pid 5401] setpgid(0, 0 [pid 5399] read(3, [pid 5401] <... setpgid resumed>) = 0 [pid 5399] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5399] exit_group(0 [pid 5400] write(3, "1000", 4 [pid 5398] read(3, [pid 5400] <... write resumed>) = 4 [pid 5399] <... exit_group resumed>) = ? [pid 5398] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 ./strace-static-x86_64: Process 5403 attached [pid 5400] close(3 [pid 5398] exit_group(0 [pid 5400] <... close resumed>) = 0 [pid 5403] set_robust_list(0x5555735f3660, 24 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5403 [pid 5398] <... exit_group resumed>) = ? [pid 5403] <... set_robust_list resumed>) = 0 [pid 5401] <... openat resumed>) = 3 [pid 5400] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5401] write(3, "1000", 4 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5402 ./strace-static-x86_64: Process 5402 attached [pid 5401] <... write resumed>) = 4 [pid 5400] <... openat resumed>) = 3 [pid 5402] set_robust_list(0x5555735f3660, 24 [pid 5403] <... prctl resumed>) = 0 [pid 5401] close(3 [pid 5402] <... set_robust_list resumed>) = 0 [pid 5403] setpgid(0, 0 [pid 5401] <... close resumed>) = 0 [pid 5400] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5399] +++ exited with 0 +++ [pid 5402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] <... setpgid resumed>) = 0 [pid 5401] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5402] <... prctl resumed>) = 0 [pid 5401] <... openat resumed>) = 3 [pid 5400] <... ioctl resumed>) = 0 [pid 5402] setpgid(0, 0 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5401] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5402] <... setpgid resumed>) = 0 [pid 5401] <... ioctl resumed>) = 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5403] <... openat resumed>) = 3 [pid 5400] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] <... restart_syscall resumed>) = 0 [pid 5402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5401] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5403] write(3, "1000", 4 [pid 5401] <... openat resumed>) = 5 [pid 5400] <... openat resumed>) = 5 [pid 5398] +++ exited with 0 +++ [pid 5403] <... write resumed>) = 4 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5398, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5403] close(3 [pid 5401] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5400] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5403] <... close resumed>) = 0 [pid 5401] <... ioctl resumed>) = 0 [pid 5400] <... ioctl resumed>) = 0 [pid 5402] <... openat resumed>) = 3 [pid 5403] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5401] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5403] <... openat resumed>) = 3 [pid 5400] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5403] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5400] <... ioctl resumed>) = 0 [pid 5403] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5404 attached [pid 5403] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5404 [pid 5404] set_robust_list(0x5555735f3660, 24 [pid 5403] <... openat resumed>) = 5 [pid 5400] poll([{fd=7, events=0}], 1, 0 [pid 5404] <... set_robust_list resumed>) = 0 [pid 5400] <... poll resumed>) = 0 (Timeout) [pid 5401] <... ioctl resumed>) = 0 [pid 5401] poll([{fd=7, events=0}], 1, 0 [pid 5402] write(3, "1000", 4 [pid 5404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5403] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5401] <... poll resumed>) = 0 (Timeout) [pid 5402] <... write resumed>) = 4 [pid 5400] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5405 attached [pid 5404] <... prctl resumed>) = 0 [pid 5402] close(3 [pid 5403] <... ioctl resumed>) = 0 [pid 5401] close_range(3, 4294967295, 0 [pid 5400] <... close_range resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5405 [pid 5405] set_robust_list(0x5555735f3660, 24 [pid 5404] setpgid(0, 0 [pid 5405] <... set_robust_list resumed>) = 0 [pid 5404] <... setpgid resumed>) = 0 [pid 5403] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5403] <... ioctl resumed>) = 0 [pid 5400] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5405] <... prctl resumed>) = 0 [pid 5405] setpgid(0, 0 [pid 5402] <... close resumed>) = 0 [pid 5403] poll([{fd=7, events=0}], 1, 0 [pid 5400] <... openat resumed>) = 3 [pid 5405] <... setpgid resumed>) = 0 [pid 5404] <... openat resumed>) = 3 [pid 5403] <... poll resumed>) = 0 (Timeout) [pid 5405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5402] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5401] <... close_range resumed>) = 0 [pid 5404] write(3, "1000", 4 [pid 5400] read(3, [pid 5405] <... openat resumed>) = 3 [pid 5402] <... openat resumed>) = 3 [pid 5401] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5404] <... write resumed>) = 4 [pid 5400] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5405] write(3, "1000", 4) = 4 [pid 5405] close(3 [pid 5404] close(3 [pid 5405] <... close resumed>) = 0 [pid 5405] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5404] <... close resumed>) = 0 [pid 5400] exit_group(0 [pid 5403] close_range(3, 4294967295, 0 [pid 5405] <... openat resumed>) = 3 [pid 5404] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5401] <... openat resumed>) = 3 [pid 5400] <... exit_group resumed>) = ? [pid 5402] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5405] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5405] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5404] <... openat resumed>) = 3 [pid 5402] <... ioctl resumed>) = 0 [pid 5403] <... close_range resumed>) = 0 [pid 5401] read(3, [pid 5400] +++ exited with 0 +++ [pid 5405] <... openat resumed>) = 5 [pid 5404] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5401] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 166 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5405] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5404] <... ioctl resumed>) = 0 [pid 5405] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5404] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5402] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5403] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5401] exit_group(0 [pid 5405] <... ioctl resumed>) = 0 [pid 5404] <... openat resumed>) = 5 [pid 5402] <... openat resumed>) = 5 [pid 5403] <... openat resumed>) = 3 [pid 5401] <... exit_group resumed>) = ? [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5405] poll([{fd=7, events=0}], 1, 0 [pid 5402] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5405] <... poll resumed>) = 0 (Timeout) [pid 5402] <... ioctl resumed>) = 0 [pid 5403] read(3, [pid 5405] close_range(3, 4294967295, 0 [pid 5403] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5402] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5405] <... close_range resumed>) = 0 [pid 5404] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5402] <... ioctl resumed>) = 0 [pid 5403] exit_group(0 [pid 5405] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5404] <... ioctl resumed>) = 0 [pid 5403] <... exit_group resumed>) = ? [pid 5404] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5402] poll([{fd=7, events=0}], 1, 0 [pid 5403] +++ exited with 0 +++ [pid 5401] +++ exited with 0 +++ [pid 5405] read(3, [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5405] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5402] <... poll resumed>) = 0 (Timeout) [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5405] exit_group(0 [pid 5402] close_range(3, 4294967295, 0 [pid 5404] <... ioctl resumed>) = 0 [pid 5402] <... close_range resumed>) = 0 [pid 5404] poll([{fd=7, events=0}], 1, 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5404] <... poll resumed>) = 0 (Timeout) [pid 5404] close_range(3, 4294967295, 0 [pid 5405] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5406 attached [pid 5404] <... close_range resumed>) = 0 [pid 5406] set_robust_list(0x5555735f3660, 24 [pid 5404] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5402] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5406 [pid 5402] <... openat resumed>) = 3 [pid 5402] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5402] exit_group(0) = ? ./strace-static-x86_64: Process 5408 attached ./strace-static-x86_64: Process 5407 attached [pid 5406] <... set_robust_list resumed>) = 0 [pid 5405] +++ exited with 0 +++ [pid 5404] <... openat resumed>) = 3 [pid 5402] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5407 [pid 5407] set_robust_list(0x5555735f3660, 24 [pid 5406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5404] read(3, [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5408 [pid 5407] <... set_robust_list resumed>) = 0 [pid 5408] set_robust_list(0x5555735f3660, 24 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5406] <... prctl resumed>) = 0 [pid 5404] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5408] <... set_robust_list resumed>) = 0 [pid 5407] <... prctl resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5402, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5407] setpgid(0, 0 [pid 5406] setpgid(0, 0 [pid 5404] exit_group(0 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5408] <... prctl resumed>) = 0 [pid 5407] <... setpgid resumed>) = 0 [pid 5408] setpgid(0, 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5408] <... setpgid resumed>) = 0 [pid 5408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... restart_syscall resumed>) = 0 [pid 5406] <... setpgid resumed>) = 0 [pid 5404] <... exit_group resumed>) = ? [pid 5406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5408] <... openat resumed>) = 3 [pid 5407] <... openat resumed>) = 3 [pid 5407] write(3, "1000", 4./strace-static-x86_64: Process 5409 attached [pid 5408] write(3, "1000", 4 [pid 5407] <... write resumed>) = 4 [pid 5406] <... openat resumed>) = 3 [pid 5404] +++ exited with 0 +++ [pid 5409] set_robust_list(0x5555735f3660, 24 [pid 5408] <... write resumed>) = 4 [pid 5407] close(3 [pid 5406] write(3, "1000", 4 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5409 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5409] <... set_robust_list resumed>) = 0 [pid 5408] close(3 [pid 5407] <... close resumed>) = 0 [pid 5406] <... write resumed>) = 4 [pid 5409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5408] <... close resumed>) = 0 [pid 5407] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5406] close(3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5408] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5407] <... openat resumed>) = 3 [pid 5406] <... close resumed>) = 0 [pid 5409] <... prctl resumed>) = 0 [pid 5408] <... openat resumed>) = 3 [pid 5406] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5409] setpgid(0, 0 [pid 5407] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5410 attached [pid 5409] <... setpgid resumed>) = 0 [pid 5408] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5406] <... openat resumed>) = 3 [pid 5407] <... ioctl resumed>) = 0 [pid 5407] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5410] set_robust_list(0x5555735f3660, 24 [pid 5409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5408] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5411 attached [pid 5410] <... set_robust_list resumed>) = 0 [pid 5409] <... openat resumed>) = 3 [pid 5407] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5406] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5410 [pid 5411] set_robust_list(0x5555735f3660, 24 [pid 5410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5409] write(3, "1000", 4 [pid 5408] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5407] <... ioctl resumed>) = 0 [pid 5406] <... ioctl resumed>) = 0 [pid 5411] <... set_robust_list resumed>) = 0 [pid 5409] <... write resumed>) = 4 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5411 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5410] <... prctl resumed>) = 0 [pid 5409] close(3 [pid 5408] <... openat resumed>) = 5 [pid 5407] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5406] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5411] <... prctl resumed>) = 0 [pid 5410] setpgid(0, 0 [pid 5409] <... close resumed>) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5409] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5410] <... setpgid resumed>) = 0 [pid 5408] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5407] <... ioctl resumed>) = 0 [pid 5406] <... openat resumed>) = 5 [pid 5411] <... openat resumed>) = 3 [pid 5409] <... openat resumed>) = 3 [pid 5411] write(3, "1000", 4) = 4 [pid 5408] <... ioctl resumed>) = 0 [pid 5407] poll([{fd=7, events=0}], 1, 0 [pid 5406] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5411] close(3 [pid 5410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5409] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5411] <... close resumed>) = 0 [pid 5411] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5411] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5411] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5410] <... openat resumed>) = 3 [pid 5409] <... ioctl resumed>) = 0 [pid 5408] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5407] <... poll resumed>) = 0 (Timeout) [pid 5406] <... ioctl resumed>) = 0 [pid 5411] <... openat resumed>) = 5 [pid 5410] write(3, "1000", 4 [pid 5409] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5408] <... ioctl resumed>) = 0 [pid 5407] close_range(3, 4294967295, 0 [pid 5406] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5410] <... write resumed>) = 4 [pid 5408] poll([{fd=7, events=0}], 1, 0 [pid 5411] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5410] close(3 [pid 5408] <... poll resumed>) = 0 (Timeout) [pid 5406] <... ioctl resumed>) = 0 [pid 5411] <... ioctl resumed>) = 0 [pid 5410] <... close resumed>) = 0 [pid 5408] close_range(3, 4294967295, 0 [pid 5407] <... close_range resumed>) = 0 [pid 5409] <... openat resumed>) = 5 [pid 5411] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5410] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5409] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5407] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5406] poll([{fd=7, events=0}], 1, 0 [pid 5411] <... ioctl resumed>) = 0 [pid 5410] <... openat resumed>) = 3 [pid 5409] <... ioctl resumed>) = 0 [pid 5408] <... close_range resumed>) = 0 [pid 5407] <... openat resumed>) = 3 [pid 5406] <... poll resumed>) = 0 (Timeout) [pid 5411] poll([{fd=7, events=0}], 1, 0 [pid 5410] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5409] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5408] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5406] close_range(3, 4294967295, 0 [pid 5407] read(3, [pid 5411] <... poll resumed>) = 0 (Timeout) [pid 5410] <... ioctl resumed>) = 0 [pid 5409] <... ioctl resumed>) = 0 [pid 5408] <... openat resumed>) = 3 [pid 5411] close_range(3, 4294967295, 0) = 0 [pid 5410] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5407] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 380 [pid 5406] <... close_range resumed>) = 0 [pid 5409] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5411] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5410] <... openat resumed>) = 5 [pid 5409] close_range(3, 4294967295, 0 [pid 5408] read(3, [pid 5411] <... openat resumed>) = 3 [pid 5410] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5408] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5407] exit_group(0 [pid 5408] exit_group(0 [pid 5411] read(3, [pid 5410] <... ioctl resumed>) = 0 [pid 5409] <... close_range resumed>) = 0 [pid 5408] <... exit_group resumed>) = ? [pid 5407] <... exit_group resumed>) = ? [pid 5406] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5411] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5410] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5409] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5406] <... openat resumed>) = 3 [pid 5411] exit_group(0 [pid 5410] poll([{fd=7, events=0}], 1, 0 [pid 5409] <... openat resumed>) = 3 [pid 5411] <... exit_group resumed>) = ? [pid 5410] <... poll resumed>) = 0 (Timeout) [pid 5410] close_range(3, 4294967295, 0) = 0 [pid 5409] read(3, [pid 5406] read(3, [pid 5410] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5409] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5408] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5406] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5407, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5409] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5410] <... openat resumed>) = 3 [pid 5409] <... exit_group resumed>) = ? [pid 5406] exit_group(0 [pid 5411] +++ exited with 0 +++ [pid 5406] <... exit_group resumed>) = ? [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5413 attached ./strace-static-x86_64: Process 5412 attached [pid 5410] read(3, [pid 5409] +++ exited with 0 +++ [pid 5406] +++ exited with 0 +++ [pid 5095] <... restart_syscall resumed>) = 0 [pid 5413] set_robust_list(0x5555735f3660, 24 [pid 5412] set_robust_list(0x5555735f3660, 24 [pid 5410] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5413 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5412 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5413] <... set_robust_list resumed>) = 0 [pid 5412] <... set_robust_list resumed>) = 0 [pid 5410] exit_group(0 [pid 5413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5410] <... exit_group resumed>) = ? [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5413] <... prctl resumed>) = 0 [pid 5412] <... prctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5410] +++ exited with 0 +++ [pid 5413] setpgid(0, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5412] setpgid(0, 0 [pid 5413] <... setpgid resumed>) = 0 [pid 5412] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5416 attached ./strace-static-x86_64: Process 5414 attached ./strace-static-x86_64: Process 5415 attached ./strace-static-x86_64: Process 5417 attached [pid 5413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5417 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5415 [pid 5416] set_robust_list(0x5555735f3660, 24 [pid 5414] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5416 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5414 [pid 5415] set_robust_list(0x5555735f3660, 24 [pid 5417] set_robust_list(0x5555735f3660, 24 [pid 5413] <... openat resumed>) = 3 [pid 5412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5416] <... set_robust_list resumed>) = 0 [pid 5414] <... set_robust_list resumed>) = 0 [pid 5415] <... set_robust_list resumed>) = 0 [pid 5417] <... set_robust_list resumed>) = 0 [pid 5413] write(3, "1000", 4 [pid 5414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5412] <... openat resumed>) = 3 [pid 5416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5417] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5413] <... write resumed>) = 4 [pid 5412] write(3, "1000", 4 [pid 5416] <... prctl resumed>) = 0 [pid 5414] <... prctl resumed>) = 0 [pid 5415] <... prctl resumed>) = 0 [pid 5412] <... write resumed>) = 4 [pid 5413] close(3 [pid 5412] close(3 [pid 5417] <... prctl resumed>) = 0 [pid 5413] <... close resumed>) = 0 [pid 5412] <... close resumed>) = 0 [pid 5417] setpgid(0, 0 [pid 5413] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5412] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5416] setpgid(0, 0 [pid 5414] setpgid(0, 0 [pid 5415] setpgid(0, 0 [pid 5416] <... setpgid resumed>) = 0 [pid 5414] <... setpgid resumed>) = 0 [pid 5415] <... setpgid resumed>) = 0 [pid 5417] <... setpgid resumed>) = 0 [pid 5412] <... openat resumed>) = 3 [pid 5413] <... openat resumed>) = 3 [pid 5412] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5413] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5416] <... openat resumed>) = 3 [pid 5417] <... openat resumed>) = 3 [pid 5413] <... ioctl resumed>) = 0 [pid 5412] <... ioctl resumed>) = 0 [pid 5416] write(3, "1000", 4 [pid 5412] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5416] <... write resumed>) = 4 [pid 5414] <... openat resumed>) = 3 [pid 5412] <... openat resumed>) = 5 [pid 5416] close(3) = 0 [pid 5414] write(3, "1000", 4 [pid 5415] <... openat resumed>) = 3 [pid 5417] write(3, "1000", 4 [pid 5413] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5412] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5414] <... write resumed>) = 4 [pid 5413] <... openat resumed>) = 5 [pid 5416] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5414] close(3 [pid 5417] <... write resumed>) = 4 [pid 5416] <... openat resumed>) = 3 [pid 5414] <... close resumed>) = 0 [pid 5415] write(3, "1000", 4 [pid 5417] close(3 [pid 5413] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5412] <... ioctl resumed>) = 0 [pid 5416] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5414] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5415] <... write resumed>) = 4 [pid 5417] <... close resumed>) = 0 [pid 5413] <... ioctl resumed>) = 0 [pid 5412] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5416] <... ioctl resumed>) = 0 [pid 5414] <... openat resumed>) = 3 [pid 5415] close(3 [pid 5417] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5414] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5415] <... close resumed>) = 0 [pid 5416] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5417] <... openat resumed>) = 3 [pid 5413] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5412] <... ioctl resumed>) = 0 [pid 5416] <... openat resumed>) = 5 [pid 5414] <... ioctl resumed>) = 0 [pid 5415] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5417] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5413] <... ioctl resumed>) = 0 [pid 5412] poll([{fd=7, events=0}], 1, 0 [pid 5416] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5415] <... openat resumed>) = 3 [pid 5412] <... poll resumed>) = 0 (Timeout) [pid 5414] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5415] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5417] <... ioctl resumed>) = 0 [pid 5413] poll([{fd=7, events=0}], 1, 0 [pid 5412] close_range(3, 4294967295, 0 [pid 5416] <... ioctl resumed>) = 0 [pid 5414] <... openat resumed>) = 5 [pid 5415] <... ioctl resumed>) = 0 [pid 5413] <... poll resumed>) = 0 (Timeout) [pid 5414] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5415] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5413] close_range(3, 4294967295, 0 [pid 5416] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5414] <... ioctl resumed>) = 0 [pid 5415] <... openat resumed>) = 5 [pid 5417] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5412] <... close_range resumed>) = 0 [pid 5416] <... ioctl resumed>) = 0 [pid 5414] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5415] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5413] <... close_range resumed>) = 0 [pid 5416] poll([{fd=7, events=0}], 1, 0 [pid 5414] <... ioctl resumed>) = 0 [pid 5415] <... ioctl resumed>) = 0 [pid 5417] <... openat resumed>) = 5 [pid 5413] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5412] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5416] <... poll resumed>) = 0 (Timeout) [pid 5414] poll([{fd=7, events=0}], 1, 0 [pid 5412] <... openat resumed>) = 3 [pid 5416] close_range(3, 4294967295, 0 [pid 5417] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5416] <... close_range resumed>) = 0 [pid 5415] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5417] <... ioctl resumed>) = 0 [pid 5412] read(3, [pid 5414] <... poll resumed>) = 0 (Timeout) [pid 5414] close_range(3, 4294967295, 0 [pid 5412] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5417] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5416] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5412] exit_group(0 [pid 5416] <... openat resumed>) = 3 [pid 5414] <... close_range resumed>) = 0 [pid 5415] <... ioctl resumed>) = 0 [pid 5417] poll([{fd=7, events=0}], 1, 0 [pid 5412] <... exit_group resumed>) = ? [pid 5415] poll([{fd=7, events=0}], 1, 0 [pid 5414] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5416] read(3, [pid 5415] <... poll resumed>) = 0 (Timeout) [pid 5417] <... poll resumed>) = 0 (Timeout) [pid 5413] <... openat resumed>) = 3 [pid 5415] close_range(3, 4294967295, 0 [pid 5417] close_range(3, 4294967295, 0 [pid 5414] <... openat resumed>) = 3 [pid 5415] <... close_range resumed>) = 0 [pid 5412] +++ exited with 0 +++ [pid 5416] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5414] read(3, [pid 5415] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5417] <... close_range resumed>) = 0 [pid 5413] read(3, [pid 5416] exit_group(0 [pid 5414] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5415] <... openat resumed>) = 3 [pid 5416] <... exit_group resumed>) = ? [pid 5417] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5413] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5414] exit_group(0 [pid 5415] read(3, [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5417] <... openat resumed>) = 3 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5415] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5417] read(3, [pid 5413] exit_group(0 [pid 5414] <... exit_group resumed>) = ? [pid 5415] exit_group(0 [pid 5417] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5416] +++ exited with 0 +++ [pid 5415] <... exit_group resumed>) = ? [pid 5413] <... exit_group resumed>) = ? [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5414] +++ exited with 0 +++ [pid 5417] exit_group(0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5418 attached [pid 5417] <... exit_group resumed>) = ? [pid 5413] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5415] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5418 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5418] set_robust_list(0x5555735f3660, 24 [pid 5417] +++ exited with 0 +++ [pid 5418] <... set_robust_list resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5415, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5419 attached [pid 5419] set_robust_list(0x5555735f3660, 24 [pid 5418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5419 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5419] <... set_robust_list resumed>) = 0 [pid 5418] <... prctl resumed>) = 0 [pid 5418] setpgid(0, 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5421 attached ./strace-static-x86_64: Process 5420 attached ./strace-static-x86_64: Process 5422 attached [pid 5419] <... prctl resumed>) = 0 [pid 5418] <... setpgid resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5422 [pid 5419] setpgid(0, 0 [pid 5422] set_robust_list(0x5555735f3660, 24 [pid 5419] <... setpgid resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5421] set_robust_list(0x5555735f3660, 24 [pid 5422] <... set_robust_list resumed>) = 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5420] set_robust_list(0x5555735f3660, 24 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5420 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5421 [pid 5420] <... set_robust_list resumed>) = 0 [pid 5419] <... openat resumed>) = 3 [pid 5420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5422] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5419] write(3, "1000", 4 [pid 5418] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5423 attached [pid 5421] <... set_robust_list resumed>) = 0 [pid 5420] setpgid(0, 0 [pid 5422] <... prctl resumed>) = 0 [pid 5419] <... write resumed>) = 4 [pid 5423] set_robust_list(0x5555735f3660, 24 [pid 5421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5420] <... setpgid resumed>) = 0 [pid 5418] write(3, "1000", 4 [pid 5422] setpgid(0, 0 [pid 5419] close(3 [pid 5423] <... set_robust_list resumed>) = 0 [pid 5421] <... prctl resumed>) = 0 [pid 5420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5422] <... setpgid resumed>) = 0 [pid 5419] <... close resumed>) = 0 [pid 5418] <... write resumed>) = 4 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5423 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5421] setpgid(0, 0 [pid 5418] close(3 [pid 5423] <... prctl resumed>) = 0 [pid 5421] <... setpgid resumed>) = 0 [pid 5419] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5418] <... close resumed>) = 0 [pid 5423] setpgid(0, 0 [pid 5421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5420] <... openat resumed>) = 3 [pid 5423] <... setpgid resumed>) = 0 [pid 5422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5418] <... openat resumed>) = 3 [pid 5423] <... openat resumed>) = 3 [pid 5421] <... openat resumed>) = 3 [pid 5420] write(3, "1000", 4 [pid 5422] <... openat resumed>) = 3 [pid 5419] <... openat resumed>) = 3 [pid 5418] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5423] write(3, "1000", 4 [pid 5421] write(3, "1000", 4 [pid 5420] <... write resumed>) = 4 [pid 5422] write(3, "1000", 4 [pid 5419] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5420] close(3 [pid 5422] <... write resumed>) = 4 [pid 5419] <... ioctl resumed>) = 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5421] <... write resumed>) = 4 [pid 5423] <... write resumed>) = 4 [pid 5423] close(3 [pid 5421] close(3 [pid 5420] <... close resumed>) = 0 [pid 5422] close(3) = 0 [pid 5419] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5422] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5419] <... openat resumed>) = 5 [pid 5422] <... openat resumed>) = 3 [pid 5423] <... close resumed>) = 0 [pid 5421] <... close resumed>) = 0 [pid 5420] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5419] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5418] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5420] <... openat resumed>) = 3 [pid 5422] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5419] <... ioctl resumed>) = 0 [pid 5423] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5421] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5420] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5422] <... ioctl resumed>) = 0 [pid 5418] <... openat resumed>) = 5 [pid 5420] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5423] <... openat resumed>) = 3 [pid 5421] <... openat resumed>) = 3 [pid 5422] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5419] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5418] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5423] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5421] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5420] <... openat resumed>) = 5 [pid 5422] <... openat resumed>) = 5 [pid 5419] <... ioctl resumed>) = 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5421] <... ioctl resumed>) = 0 [pid 5420] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5421] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5420] <... ioctl resumed>) = 0 [pid 5419] poll([{fd=7, events=0}], 1, 0 [pid 5423] <... ioctl resumed>) = 0 [pid 5421] <... openat resumed>) = 5 [pid 5422] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5418] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5423] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5421] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5419] <... poll resumed>) = 0 (Timeout) [pid 5421] <... ioctl resumed>) = 0 [pid 5419] close_range(3, 4294967295, 0 [pid 5418] <... ioctl resumed>) = 0 [pid 5423] <... openat resumed>) = 5 [pid 5421] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5420] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5422] <... ioctl resumed>) = 0 [pid 5419] <... close_range resumed>) = 0 [pid 5418] poll([{fd=7, events=0}], 1, 0 [pid 5423] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5421] <... ioctl resumed>) = 0 [pid 5420] <... ioctl resumed>) = 0 [pid 5422] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5418] <... poll resumed>) = 0 (Timeout) [pid 5421] poll([{fd=7, events=0}], 1, 0 [pid 5419] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5423] <... ioctl resumed>) = 0 [pid 5421] <... poll resumed>) = 0 (Timeout) [pid 5420] poll([{fd=7, events=0}], 1, 0 [pid 5422] <... ioctl resumed>) = 0 [pid 5419] <... openat resumed>) = 3 [pid 5418] close_range(3, 4294967295, 0 [pid 5421] close_range(3, 4294967295, 0 [pid 5420] <... poll resumed>) = 0 (Timeout) [pid 5423] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5419] read(3, [pid 5423] <... ioctl resumed>) = 0 [pid 5421] <... close_range resumed>) = 0 [pid 5420] close_range(3, 4294967295, 0 [pid 5422] poll([{fd=7, events=0}], 1, 0 [pid 5419] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 424 [pid 5418] <... close_range resumed>) = 0 [pid 5421] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5422] <... poll resumed>) = 0 (Timeout) [pid 5419] exit_group(0 [pid 5423] poll([{fd=7, events=0}], 1, 0 [pid 5420] <... close_range resumed>) = 0 [pid 5418] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5423] <... poll resumed>) = 0 (Timeout) [pid 5421] <... openat resumed>) = 3 [pid 5422] close_range(3, 4294967295, 0 [pid 5419] <... exit_group resumed>) = ? [pid 5423] close_range(3, 4294967295, 0 [pid 5420] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5418] <... openat resumed>) = 3 [pid 5423] <... close_range resumed>) = 0 [pid 5420] <... openat resumed>) = 3 [pid 5422] <... close_range resumed>) = 0 [pid 5418] read(3, [pid 5423] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5418] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5423] <... openat resumed>) = 3 [pid 5420] read(3, [pid 5418] exit_group(0 [pid 5420] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5418] <... exit_group resumed>) = ? [pid 5423] read(3, [pid 5421] read(3, [pid 5420] exit_group(0 [pid 5422] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5419] +++ exited with 0 +++ [pid 5423] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5423] exit_group(0 [pid 5421] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5420] <... exit_group resumed>) = ? [pid 5422] <... openat resumed>) = 3 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5423] <... exit_group resumed>) = ? [pid 5421] exit_group(0 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5421] <... exit_group resumed>) = ? [pid 5422] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5422] exit_group(0) = ? [pid 5420] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5421] +++ exited with 0 +++ [pid 5418] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 5424 attached [pid 5422] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5424 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5422, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5424] <... set_robust_list resumed>) = 0 [pid 5424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] <... prctl resumed>) = 0 [pid 5424] setpgid(0, 0) = 0 [pid 5424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5427 attached ./strace-static-x86_64: Process 5426 attached ./strace-static-x86_64: Process 5425 attached [pid 5424] <... openat resumed>) = 3 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5424] write(3, "1000", 4) = 4 [pid 5424] close(3) = 0 [pid 5424] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5424] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 ./strace-static-x86_64: Process 5429 attached ./strace-static-x86_64: Process 5428 attached [pid 5426] set_robust_list(0x5555735f3660, 24 [pid 5427] set_robust_list(0x5555735f3660, 24 [pid 5425] set_robust_list(0x5555735f3660, 24 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5427 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5426 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5425 [pid 5425] <... set_robust_list resumed>) = 0 [pid 5428] set_robust_list(0x5555735f3660, 24 [pid 5426] <... set_robust_list resumed>) = 0 [pid 5427] <... set_robust_list resumed>) = 0 [pid 5425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5429] set_robust_list(0x5555735f3660, 24 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5429 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5428 [pid 5429] <... set_robust_list resumed>) = 0 [pid 5428] <... set_robust_list resumed>) = 0 [pid 5426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5425] <... prctl resumed>) = 0 [pid 5429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5424] <... openat resumed>) = 5 [pid 5429] <... prctl resumed>) = 0 [pid 5428] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5426] <... prctl resumed>) = 0 [pid 5427] <... prctl resumed>) = 0 [pid 5424] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5429] setpgid(0, 0 [pid 5426] setpgid(0, 0 [pid 5427] setpgid(0, 0 [pid 5425] setpgid(0, 0 [pid 5424] <... ioctl resumed>) = 0 [pid 5428] <... prctl resumed>) = 0 [pid 5426] <... setpgid resumed>) = 0 [pid 5429] <... setpgid resumed>) = 0 [pid 5426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5427] <... setpgid resumed>) = 0 [pid 5428] setpgid(0, 0 [pid 5425] <... setpgid resumed>) = 0 [pid 5424] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5428] <... setpgid resumed>) = 0 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5429] <... openat resumed>) = 3 [pid 5428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5426] <... openat resumed>) = 3 [pid 5427] <... openat resumed>) = 3 [pid 5425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5424] <... ioctl resumed>) = 0 [pid 5426] write(3, "1000", 4 [pid 5427] write(3, "1000", 4 [pid 5429] write(3, "1000", 4 [pid 5428] <... openat resumed>) = 3 [pid 5426] <... write resumed>) = 4 [pid 5427] <... write resumed>) = 4 [pid 5424] poll([{fd=7, events=0}], 1, 0 [pid 5429] <... write resumed>) = 4 [pid 5428] write(3, "1000", 4 [pid 5426] close(3 [pid 5427] close(3 [pid 5425] <... openat resumed>) = 3 [pid 5424] <... poll resumed>) = 0 (Timeout) [pid 5429] close(3 [pid 5428] <... write resumed>) = 4 [pid 5426] <... close resumed>) = 0 [pid 5427] <... close resumed>) = 0 [pid 5425] write(3, "1000", 4 [pid 5424] close_range(3, 4294967295, 0 [pid 5429] <... close resumed>) = 0 [pid 5428] close(3 [pid 5426] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5427] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5425] <... write resumed>) = 4 [pid 5429] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5428] <... close resumed>) = 0 [pid 5425] close(3 [pid 5424] <... close_range resumed>) = 0 [pid 5426] <... openat resumed>) = 3 [pid 5425] <... close resumed>) = 0 [pid 5428] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5427] <... openat resumed>) = 3 [pid 5425] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5424] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5429] <... openat resumed>) = 3 [pid 5428] <... openat resumed>) = 3 [pid 5426] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5427] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5425] <... openat resumed>) = 3 [pid 5424] <... openat resumed>) = 3 [pid 5425] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5425] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5429] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5428] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5426] <... ioctl resumed>) = 0 [pid 5427] <... ioctl resumed>) = 0 [pid 5424] read(3, [pid 5429] <... ioctl resumed>) = 0 [pid 5428] <... ioctl resumed>) = 0 [pid 5427] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5425] <... openat resumed>) = 5 [pid 5424] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 237 [pid 5429] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5428] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5429] <... openat resumed>) = 5 [pid 5428] <... openat resumed>) = 5 [pid 5426] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5427] <... openat resumed>) = 5 [pid 5425] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5424] exit_group(0 [pid 5429] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5428] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5426] <... openat resumed>) = 5 [pid 5427] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5425] <... ioctl resumed>) = 0 [pid 5424] <... exit_group resumed>) = ? [pid 5429] <... ioctl resumed>) = 0 [pid 5428] <... ioctl resumed>) = 0 [pid 5425] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5429] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5428] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5429] <... ioctl resumed>) = 0 [pid 5428] <... ioctl resumed>) = 0 [pid 5426] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5427] <... ioctl resumed>) = 0 [pid 5425] poll([{fd=7, events=0}], 1, 0 [pid 5429] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5429] close_range(3, 4294967295, 0 [pid 5426] <... ioctl resumed>) = 0 [pid 5429] <... close_range resumed>) = 0 [pid 5426] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5427] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5424] +++ exited with 0 +++ [pid 5429] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5425] <... poll resumed>) = 0 (Timeout) [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5425] close_range(3, 4294967295, 0 [pid 5428] poll([{fd=7, events=0}], 1, 0 [pid 5426] <... ioctl resumed>) = 0 [pid 5427] <... ioctl resumed>) = 0 [pid 5425] <... close_range resumed>) = 0 [pid 5429] <... openat resumed>) = 3 [pid 5425] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5429] read(3, [pid 5428] <... poll resumed>) = 0 (Timeout) [pid 5426] poll([{fd=7, events=0}], 1, 0 [pid 5425] <... openat resumed>) = 3 [pid 5427] poll([{fd=7, events=0}], 1, 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5429] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5428] close_range(3, 4294967295, 0 [pid 5426] <... poll resumed>) = 0 (Timeout) [pid 5427] <... poll resumed>) = 0 (Timeout) [pid 5429] exit_group(0 [pid 5425] read(3, [pid 5429] <... exit_group resumed>) = ? [pid 5425] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5426] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5430 attached [pid 5428] <... close_range resumed>) = 0 [pid 5426] <... close_range resumed>) = 0 [pid 5427] close_range(3, 4294967295, 0 [pid 5425] exit_group(0 [pid 5429] +++ exited with 0 +++ [pid 5425] <... exit_group resumed>) = ? [pid 5430] set_robust_list(0x5555735f3660, 24 [pid 5428] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5426] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5427] <... close_range resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5430 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5430] <... set_robust_list resumed>) = 0 [pid 5428] <... openat resumed>) = 3 [pid 5426] <... openat resumed>) = 3 [pid 5430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5428] read(3, [pid 5426] read(3, [pid 5427] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5425] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] setpgid(0, 0 [pid 5428] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5426] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5427] <... openat resumed>) = 3 [pid 5430] <... setpgid resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5425, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5426] exit_group(0 [pid 5428] exit_group(0 [pid 5426] <... exit_group resumed>) = ? [pid 5430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5428] <... exit_group resumed>) = ? [pid 5427] read(3, [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5431 attached [pid 5430] <... openat resumed>) = 3 [pid 5428] +++ exited with 0 +++ [pid 5426] +++ exited with 0 +++ [pid 5427] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5431] set_robust_list(0x5555735f3660, 24./strace-static-x86_64: Process 5432 attached [pid 5430] write(3, "1000", 4 [pid 5427] exit_group(0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5431 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5432 [pid 5431] <... set_robust_list resumed>) = 0 [pid 5432] set_robust_list(0x5555735f3660, 24 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5426, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5430] <... write resumed>) = 4 [pid 5427] <... exit_group resumed>) = ? [pid 5432] <... set_robust_list resumed>) = 0 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5430] close(3 [pid 5427] +++ exited with 0 +++ [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5430] <... close resumed>) = 0 [pid 5432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5432] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5434 attached ./strace-static-x86_64: Process 5433 attached [pid 5431] <... prctl resumed>) = 0 [pid 5430] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5427, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5434] set_robust_list(0x5555735f3660, 24 [pid 5433] set_robust_list(0x5555735f3660, 24 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5433 [pid 5434] <... set_robust_list resumed>) = 0 [pid 5433] <... set_robust_list resumed>) = 0 [pid 5434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5431] setpgid(0, 0 [pid 5430] <... openat resumed>) = 3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5434 [pid 5434] <... prctl resumed>) = 0 [pid 5433] <... prctl resumed>) = 0 [pid 5434] setpgid(0, 0 [pid 5433] setpgid(0, 0 [pid 5434] <... setpgid resumed>) = 0 [pid 5433] <... setpgid resumed>) = 0 [pid 5432] <... openat resumed>) = 3 [pid 5431] <... setpgid resumed>) = 0 [pid 5430] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5432] write(3, "1000", 4 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... openat resumed>) = 3 [pid 5432] <... write resumed>) = 4 [pid 5430] <... ioctl resumed>) = 0 [pid 5434] write(3, "1000", 4 [pid 5433] <... openat resumed>) = 3 [pid 5432] close(3 [pid 5431] <... openat resumed>) = 3 [pid 5430] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5434] <... write resumed>) = 4 [pid 5431] write(3, "1000", 4 [pid 5430] <... openat resumed>) = 5 [pid 5434] close(3 [pid 5432] <... close resumed>) = 0 [pid 5431] <... write resumed>) = 4 [pid 5434] <... close resumed>) = 0 [pid 5431] close(3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5434] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5433] write(3, "1000", 4 [pid 5432] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5431] <... close resumed>) = 0 [pid 5430] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5433] <... write resumed>) = 4 [pid 5432] <... openat resumed>) = 3 [pid 5433] close(3 [pid 5432] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5433] <... close resumed>) = 0 ./strace-static-x86_64: Process 5435 attached [pid 5434] <... openat resumed>) = 3 [pid 5433] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5432] <... ioctl resumed>) = 0 [pid 5431] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5430] <... ioctl resumed>) = 0 [pid 5435] set_robust_list(0x5555735f3660, 24 [pid 5434] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5433] <... openat resumed>) = 3 [pid 5431] <... openat resumed>) = 3 [pid 5430] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5432] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5435] <... set_robust_list resumed>) = 0 [pid 5434] <... ioctl resumed>) = 0 [pid 5433] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5431] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5430] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5435 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5434] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5432] <... openat resumed>) = 5 [pid 5431] <... ioctl resumed>) = 0 [pid 5430] poll([{fd=7, events=0}], 1, 0 [pid 5435] <... prctl resumed>) = 0 [pid 5434] <... openat resumed>) = 5 [pid 5433] <... ioctl resumed>) = 0 [pid 5432] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5431] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5430] <... poll resumed>) = 0 (Timeout) [pid 5433] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5430] close_range(3, 4294967295, 0 [pid 5435] setpgid(0, 0 [pid 5430] <... close_range resumed>) = 0 [pid 5434] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5432] <... ioctl resumed>) = 0 [pid 5434] <... ioctl resumed>) = 0 [pid 5433] <... openat resumed>) = 5 [pid 5430] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5431] <... openat resumed>) = 5 [pid 5435] <... setpgid resumed>) = 0 [pid 5433] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5432] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5431] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5434] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5431] <... ioctl resumed>) = 0 [pid 5430] <... openat resumed>) = 3 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5434] <... ioctl resumed>) = 0 [pid 5434] poll([{fd=7, events=0}], 1, 0 [pid 5430] read(3, [pid 5434] <... poll resumed>) = 0 (Timeout) [pid 5433] <... ioctl resumed>) = 0 [pid 5432] <... ioctl resumed>) = 0 [pid 5431] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5430] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 424 [pid 5434] close_range(3, 4294967295, 0 [pid 5435] <... openat resumed>) = 3 [pid 5434] <... close_range resumed>) = 0 [pid 5433] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5432] poll([{fd=7, events=0}], 1, 0 [pid 5431] <... ioctl resumed>) = 0 [pid 5435] write(3, "1000", 4 [pid 5434] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5433] <... ioctl resumed>) = 0 [pid 5432] <... poll resumed>) = 0 (Timeout) [pid 5431] poll([{fd=7, events=0}], 1, 0 [pid 5430] exit_group(0 [pid 5435] <... write resumed>) = 4 [pid 5435] close(3 [pid 5434] <... openat resumed>) = 3 [pid 5432] close_range(3, 4294967295, 0 [pid 5431] <... poll resumed>) = 0 (Timeout) [pid 5430] <... exit_group resumed>) = ? [pid 5433] poll([{fd=7, events=0}], 1, 0 [pid 5435] <... close resumed>) = 0 [pid 5432] <... close_range resumed>) = 0 [pid 5433] <... poll resumed>) = 0 (Timeout) [pid 5431] close_range(3, 4294967295, 0 [pid 5430] +++ exited with 0 +++ [pid 5434] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5434] exit_group(0) = ? [pid 5435] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5433] close_range(3, 4294967295, 0 [pid 5432] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5431] <... close_range resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5435] <... openat resumed>) = 3 [pid 5433] <... close_range resumed>) = 0 [pid 5432] <... openat resumed>) = 3 [pid 5431] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5435] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5434] +++ exited with 0 +++ [pid 5433] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5432] read(3, [pid 5431] <... openat resumed>) = 3 [pid 5435] <... ioctl resumed>) = 0 [pid 5433] <... openat resumed>) = 3 [pid 5432] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5435] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5433] read(3, [pid 5432] exit_group(0 [pid 5431] read(3, [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5435] <... openat resumed>) = 5 [pid 5433] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5431] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5435] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5433] exit_group(0 [pid 5432] <... exit_group resumed>) = ? [pid 5431] exit_group(0 [pid 5435] <... ioctl resumed>) = 0 [pid 5435] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5433] <... exit_group resumed>) = ? [pid 5431] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5436 attached [pid 5435] <... ioctl resumed>) = 0 [pid 5432] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5436 [pid 5436] set_robust_list(0x5555735f3660, 24 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5436] <... set_robust_list resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5435] poll([{fd=7, events=0}], 1, 0 [pid 5433] +++ exited with 0 +++ [pid 5436] <... prctl resumed>) = 0 [pid 5435] <... poll resumed>) = 0 (Timeout) [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5435] close_range(3, 4294967295, 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5436] setpgid(0, 0./strace-static-x86_64: Process 5439 attached ./strace-static-x86_64: Process 5438 attached ./strace-static-x86_64: Process 5437 attached ) = 0 [pid 5435] <... close_range resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5437 [pid 5438] set_robust_list(0x5555735f3660, 24 [pid 5437] set_robust_list(0x5555735f3660, 24 [pid 5435] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5439] set_robust_list(0x5555735f3660, 24 [pid 5438] <... set_robust_list resumed>) = 0 [pid 5437] <... set_robust_list resumed>) = 0 [pid 5435] <... openat resumed>) = 3 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5439 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5438 [pid 5438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5436] <... openat resumed>) = 3 [pid 5439] <... set_robust_list resumed>) = 0 [pid 5438] <... prctl resumed>) = 0 [pid 5437] <... prctl resumed>) = 0 [pid 5438] setpgid(0, 0 [pid 5437] setpgid(0, 0 [pid 5438] <... setpgid resumed>) = 0 [pid 5437] <... setpgid resumed>) = 0 [pid 5438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5438] <... openat resumed>) = 3 [pid 5436] write(3, "1000", 4 [pid 5435] read(3, [pid 5437] <... openat resumed>) = 3 [pid 5439] <... prctl resumed>) = 0 [pid 5437] write(3, "1000", 4 [pid 5438] write(3, "1000", 4 [pid 5436] <... write resumed>) = 4 [pid 5437] <... write resumed>) = 4 [pid 5436] close(3 [pid 5435] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5438] <... write resumed>) = 4 [pid 5437] close(3 [pid 5439] setpgid(0, 0 [pid 5436] <... close resumed>) = 0 [pid 5438] close(3 [pid 5437] <... close resumed>) = 0 [pid 5439] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5440 attached [pid 5437] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5436] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5440] set_robust_list(0x5555735f3660, 24 [pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5440 [pid 5440] <... set_robust_list resumed>) = 0 [pid 5438] <... close resumed>) = 0 [pid 5437] <... openat resumed>) = 3 [pid 5440] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5439] <... openat resumed>) = 3 [pid 5437] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5440] <... prctl resumed>) = 0 [pid 5438] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5440] setpgid(0, 0 [pid 5437] <... ioctl resumed>) = 0 [pid 5440] <... setpgid resumed>) = 0 [pid 5439] write(3, "1000", 4 [pid 5437] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5436] <... openat resumed>) = 3 [pid 5439] <... write resumed>) = 4 [pid 5435] exit_group(0 [pid 5440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5439] close(3 [pid 5438] <... openat resumed>) = 3 [pid 5440] <... openat resumed>) = 3 [pid 5439] <... close resumed>) = 0 [pid 5438] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5437] <... openat resumed>) = 5 [pid 5436] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5435] <... exit_group resumed>) = ? [pid 5439] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5440] write(3, "1000", 4) = 4 [pid 5440] close(3 [pid 5439] <... openat resumed>) = 3 [pid 5438] <... ioctl resumed>) = 0 [pid 5437] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5436] <... ioctl resumed>) = 0 [pid 5435] +++ exited with 0 +++ [pid 5440] <... close resumed>) = 0 [pid 5439] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5438] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5437] <... ioctl resumed>) = 0 [pid 5436] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5435, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5440] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5439] <... ioctl resumed>) = 0 [pid 5438] <... openat resumed>) = 5 [pid 5440] <... openat resumed>) = 3 [pid 5439] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5438] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5437] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5436] <... openat resumed>) = 5 [pid 5436] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5440] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5439] <... openat resumed>) = 5 [pid 5438] <... ioctl resumed>) = 0 [pid 5437] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5440] <... ioctl resumed>) = 0 [pid 5438] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5436] <... ioctl resumed>) = 0 [pid 5439] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5437] poll([{fd=7, events=0}], 1, 0 [pid 5439] <... ioctl resumed>) = 0 [pid 5438] <... ioctl resumed>) = 0 [pid 5437] <... poll resumed>) = 0 (Timeout) [pid 5436] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5440] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5439] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5437] close_range(3, 4294967295, 0 [pid 5440] <... openat resumed>) = 5 [pid 5437] <... close_range resumed>) = 0 [pid 5436] <... ioctl resumed>) = 0 [pid 5439] <... ioctl resumed>) = 0 [pid 5440] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5439] poll([{fd=7, events=0}], 1, 0 [pid 5438] poll([{fd=7, events=0}], 1, 0 [pid 5437] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5436] poll([{fd=7, events=0}], 1, 0./strace-static-x86_64: Process 5441 attached [pid 5440] <... ioctl resumed>) = 0 [pid 5439] <... poll resumed>) = 0 (Timeout) [pid 5438] <... poll resumed>) = 0 (Timeout) [pid 5437] <... openat resumed>) = 3 [pid 5436] <... poll resumed>) = 0 (Timeout) [pid 5440] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5439] close_range(3, 4294967295, 0 [pid 5438] close_range(3, 4294967295, 0 [pid 5441] set_robust_list(0x5555735f3660, 24 [pid 5437] read(3, [pid 5436] close_range(3, 4294967295, 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5441 [pid 5439] <... close_range resumed>) = 0 [pid 5436] <... close_range resumed>) = 0 [pid 5437] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5436] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5440] <... ioctl resumed>) = 0 [pid 5441] <... set_robust_list resumed>) = 0 [pid 5437] exit_group(0 [pid 5436] read(3, [pid 5441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5440] poll([{fd=7, events=0}], 1, 0 [pid 5439] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5438] <... close_range resumed>) = 0 [pid 5437] <... exit_group resumed>) = ? [pid 5441] <... prctl resumed>) = 0 [pid 5440] <... poll resumed>) = 0 (Timeout) [pid 5439] <... openat resumed>) = 3 [pid 5438] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5436] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5440] close_range(3, 4294967295, 0 [pid 5441] setpgid(0, 0) = 0 [pid 5438] <... openat resumed>) = 3 [pid 5440] <... close_range resumed>) = 0 [pid 5439] read(3, [pid 5436] exit_group(0 [pid 5441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5438] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5441] <... openat resumed>) = 3 [pid 5440] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5439] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5436] <... exit_group resumed>) = ? [pid 5438] exit_group(0) = ? [pid 5441] write(3, "1000", 4 [pid 5440] <... openat resumed>) = 3 [pid 5439] exit_group(0 [pid 5438] +++ exited with 0 +++ [pid 5437] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5441] <... write resumed>) = 4 [pid 5439] <... exit_group resumed>) = ? [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5437, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5440] read(3, [pid 5441] close(3 [pid 5440] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5436] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5441] <... close resumed>) = 0 [pid 5441] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5440] exit_group(0) = ? [pid 5441] <... openat resumed>) = 3 [pid 5439] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5441] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5441] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5441] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 ./strace-static-x86_64: Process 5444 attached ./strace-static-x86_64: Process 5443 attached ./strace-static-x86_64: Process 5442 attached [pid 5441] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5440] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5444] set_robust_list(0x5555735f3660, 24 [pid 5443] set_robust_list(0x5555735f3660, 24 [pid 5441] <... ioctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5443 [pid 5444] <... set_robust_list resumed>) = 0 [pid 5443] <... set_robust_list resumed>) = 0 [pid 5444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5445 attached [pid 5444] <... prctl resumed>) = 0 [pid 5443] <... prctl resumed>) = 0 [pid 5442] set_robust_list(0x5555735f3660, 24 [pid 5441] poll([{fd=7, events=0}], 1, 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5442 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5444 [pid 5444] setpgid(0, 0 [pid 5443] setpgid(0, 0 [pid 5442] <... set_robust_list resumed>) = 0 [pid 5441] <... poll resumed>) = 0 (Timeout) [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5445] set_robust_list(0x5555735f3660, 24 [pid 5444] <... setpgid resumed>) = 0 [pid 5443] <... setpgid resumed>) = 0 [pid 5442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5441] close_range(3, 4294967295, 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5445 ./strace-static-x86_64: Process 5446 attached [pid 5445] <... set_robust_list resumed>) = 0 [pid 5444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5442] <... prctl resumed>) = 0 [pid 5441] <... close_range resumed>) = 0 [pid 5445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5446] set_robust_list(0x5555735f3660, 24 [pid 5445] <... prctl resumed>) = 0 [pid 5443] <... openat resumed>) = 3 [pid 5442] setpgid(0, 0 [pid 5441] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5446 [pid 5444] <... openat resumed>) = 3 [pid 5446] <... set_robust_list resumed>) = 0 [pid 5443] write(3, "1000", 4 [pid 5442] <... setpgid resumed>) = 0 [pid 5441] <... openat resumed>) = 3 [pid 5444] write(3, "1000", 4 [pid 5443] <... write resumed>) = 4 [pid 5444] <... write resumed>) = 4 [pid 5443] close(3) = 0 [pid 5441] read(3, [pid 5446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5445] setpgid(0, 0 [pid 5444] close(3 [pid 5443] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5441] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5446] <... prctl resumed>) = 0 [pid 5445] <... setpgid resumed>) = 0 [pid 5444] <... close resumed>) = 0 [pid 5446] setpgid(0, 0 [pid 5445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5444] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5443] <... openat resumed>) = 3 [pid 5442] <... openat resumed>) = 3 [pid 5441] exit_group(0 [pid 5446] <... setpgid resumed>) = 0 [pid 5443] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5441] <... exit_group resumed>) = ? [pid 5444] <... openat resumed>) = 3 [pid 5442] write(3, "1000", 4 [pid 5446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5445] <... openat resumed>) = 3 [pid 5443] <... ioctl resumed>) = 0 [pid 5441] +++ exited with 0 +++ [pid 5442] <... write resumed>) = 4 [pid 5444] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5441, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5443] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5443] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5446] <... openat resumed>) = 3 [pid 5445] write(3, "1000", 4 [pid 5444] <... ioctl resumed>) = 0 [pid 5442] close(3 [pid 5446] write(3, "1000", 4 [pid 5445] <... write resumed>) = 4 [pid 5444] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5443] <... ioctl resumed>) = 0 [pid 5442] <... close resumed>) = 0 [pid 5446] <... write resumed>) = 4 [pid 5445] close(3 [pid 5444] <... openat resumed>) = 5 [pid 5446] close(3 [pid 5445] <... close resumed>) = 0 [pid 5444] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5443] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5442] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5446] <... close resumed>) = 0 [pid 5445] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5444] <... ioctl resumed>) = 0 [pid 5446] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5444] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5443] <... ioctl resumed>) = 0 [pid 5445] <... openat resumed>) = 3 [pid 5444] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5442] <... openat resumed>) = 3 [pid 5443] poll([{fd=7, events=0}], 1, 0 [pid 5444] close_range(3, 4294967295, 0 [pid 5445] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5447 attached [pid 5446] <... openat resumed>) = 3 [pid 5445] <... ioctl resumed>) = 0 [pid 5444] <... close_range resumed>) = 0 [pid 5443] <... poll resumed>) = 0 (Timeout) [pid 5442] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5447] set_robust_list(0x5555735f3660, 24 [pid 5446] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5445] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5443] close_range(3, 4294967295, 0 [pid 5442] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5447 [pid 5447] <... set_robust_list resumed>) = 0 [pid 5446] <... ioctl resumed>) = 0 [pid 5445] <... openat resumed>) = 5 [pid 5444] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5442] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5447] <... prctl resumed>) = 0 [pid 5446] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5445] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5444] <... openat resumed>) = 3 [pid 5443] <... close_range resumed>) = 0 [pid 5442] <... openat resumed>) = 5 [pid 5447] setpgid(0, 0 [pid 5446] <... openat resumed>) = 5 [pid 5444] read(3, [pid 5443] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5447] <... setpgid resumed>) = 0 [pid 5446] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5445] <... ioctl resumed>) = 0 [pid 5444] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 281 [pid 5442] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5444] exit_group(0) = ? [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5446] <... ioctl resumed>) = 0 [pid 5445] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5443] <... openat resumed>) = 3 [pid 5442] <... ioctl resumed>) = 0 [pid 5443] read(3, [pid 5446] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5445] <... ioctl resumed>) = 0 [pid 5443] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5442] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5447] <... openat resumed>) = 3 [pid 5446] <... ioctl resumed>) = 0 [pid 5445] poll([{fd=7, events=0}], 1, 0 [pid 5443] exit_group(0 [pid 5442] <... ioctl resumed>) = 0 [pid 5443] <... exit_group resumed>) = ? [pid 5445] <... poll resumed>) = 0 (Timeout) [pid 5445] close_range(3, 4294967295, 0 [pid 5447] write(3, "1000", 4 [pid 5446] poll([{fd=7, events=0}], 1, 0 [pid 5442] poll([{fd=7, events=0}], 1, 0 [pid 5447] <... write resumed>) = 4 [pid 5446] <... poll resumed>) = 0 (Timeout) [pid 5445] <... close_range resumed>) = 0 [pid 5442] <... poll resumed>) = 0 (Timeout) [pid 5447] close(3 [pid 5446] close_range(3, 4294967295, 0 [pid 5444] +++ exited with 0 +++ [pid 5442] close_range(3, 4294967295, 0 [pid 5447] <... close resumed>) = 0 [pid 5446] <... close_range resumed>) = 0 [pid 5445] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5443] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5447] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5446] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5445] <... openat resumed>) = 3 [pid 5442] <... close_range resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5443, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5447] <... openat resumed>) = 3 [pid 5447] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5446] <... openat resumed>) = 3 [pid 5445] read(3, [pid 5442] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5447] <... ioctl resumed>) = 0 [pid 5446] read(3, [pid 5445] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5442] <... openat resumed>) = 3 [pid 5447] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5446] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5445] exit_group(0 [pid 5442] read(3, [pid 5445] <... exit_group resumed>) = ? [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5447] <... openat resumed>) = 5 [pid 5446] exit_group(0 [pid 5442] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5442] exit_group(0./strace-static-x86_64: Process 5449 attached ./strace-static-x86_64: Process 5448 attached [pid 5447] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5446] <... exit_group resumed>) = ? [pid 5445] +++ exited with 0 +++ [pid 5442] <... exit_group resumed>) = ? [pid 5447] <... ioctl resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5447] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5450 attached [pid 5449] set_robust_list(0x5555735f3660, 24 [pid 5448] set_robust_list(0x5555735f3660, 24 [pid 5447] <... ioctl resumed>) = 0 [pid 5446] +++ exited with 0 +++ [pid 5442] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5449 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5450 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5448 [pid 5450] set_robust_list(0x5555735f3660, 24 [pid 5449] <... set_robust_list resumed>) = 0 [pid 5448] <... set_robust_list resumed>) = 0 [pid 5447] poll([{fd=7, events=0}], 1, 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5447] <... poll resumed>) = 0 (Timeout) [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5447] close_range(3, 4294967295, 0 [pid 5450] <... set_robust_list resumed>) = 0 [pid 5449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5448] <... prctl resumed>) = 0 [pid 5450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5447] <... close_range resumed>) = 0 [pid 5450] <... prctl resumed>) = 0 [pid 5449] <... prctl resumed>) = 0 [pid 5448] setpgid(0, 0 [pid 5447] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5450] setpgid(0, 0 [pid 5449] setpgid(0, 0 [pid 5450] <... setpgid resumed>) = 0 [pid 5449] <... setpgid resumed>) = 0 [pid 5448] <... setpgid resumed>) = 0 [pid 5450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5450] <... openat resumed>) = 3 [pid 5449] <... openat resumed>) = 3 [pid 5448] <... openat resumed>) = 3 [pid 5449] write(3, "1000", 4./strace-static-x86_64: Process 5452 attached ./strace-static-x86_64: Process 5451 attached [pid 5450] write(3, "1000", 4 [pid 5449] <... write resumed>) = 4 [pid 5448] write(3, "1000", 4 [pid 5447] <... openat resumed>) = 3 [pid 5452] set_robust_list(0x5555735f3660, 24 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5452 [pid 5452] <... set_robust_list resumed>) = 0 [pid 5451] set_robust_list(0x5555735f3660, 24 [pid 5450] <... write resumed>) = 4 [pid 5449] close(3 [pid 5448] <... write resumed>) = 4 [pid 5447] read(3, [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5451 [pid 5452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5451] <... set_robust_list resumed>) = 0 [pid 5450] close(3 [pid 5449] <... close resumed>) = 0 [pid 5448] close(3 [pid 5447] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5452] <... prctl resumed>) = 0 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5450] <... close resumed>) = 0 [pid 5449] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5448] <... close resumed>) = 0 [pid 5452] setpgid(0, 0 [pid 5451] <... prctl resumed>) = 0 [pid 5450] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5449] <... openat resumed>) = 3 [pid 5448] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5447] exit_group(0 [pid 5452] <... setpgid resumed>) = 0 [pid 5451] setpgid(0, 0 [pid 5449] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5451] <... setpgid resumed>) = 0 [pid 5450] <... openat resumed>) = 3 [pid 5448] <... openat resumed>) = 3 [pid 5447] <... exit_group resumed>) = ? [pid 5449] <... ioctl resumed>) = 0 [pid 5452] <... openat resumed>) = 3 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] write(3, "1000", 4) = 4 [pid 5452] close(3 [pid 5451] <... openat resumed>) = 3 [pid 5450] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5449] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5448] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5447] +++ exited with 0 +++ [pid 5452] <... close resumed>) = 0 [pid 5450] <... ioctl resumed>) = 0 [pid 5449] <... openat resumed>) = 5 [pid 5448] <... ioctl resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5451] write(3, "1000", 4 [pid 5452] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5451] <... write resumed>) = 4 [pid 5449] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5448] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5452] <... openat resumed>) = 3 [pid 5451] close(3 [pid 5450] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5449] <... ioctl resumed>) = 0 [pid 5448] <... openat resumed>) = 5 [pid 5452] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5451] <... close resumed>) = 0 [pid 5450] <... openat resumed>) = 5 [pid 5449] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5448] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5452] <... ioctl resumed>) = 0 [pid 5450] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5451] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5450] <... ioctl resumed>) = 0 [pid 5449] <... ioctl resumed>) = 0 [pid 5448] <... ioctl resumed>) = 0 [pid 5450] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5452] <... openat resumed>) = 5 [pid 5450] <... ioctl resumed>) = 0 [pid 5449] poll([{fd=7, events=0}], 1, 0 [pid 5448] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5450] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) ./strace-static-x86_64: Process 5453 attached [pid 5452] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5451] <... openat resumed>) = 3 [pid 5450] close_range(3, 4294967295, 0 [pid 5449] <... poll resumed>) = 0 (Timeout) [pid 5448] <... ioctl resumed>) = 0 [pid 5453] set_robust_list(0x5555735f3660, 24 [pid 5452] <... ioctl resumed>) = 0 [pid 5451] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5449] close_range(3, 4294967295, 0 [pid 5448] poll([{fd=7, events=0}], 1, 0 [pid 5453] <... set_robust_list resumed>) = 0 [pid 5452] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5451] <... ioctl resumed>) = 0 [pid 5450] <... close_range resumed>) = 0 [pid 5449] <... close_range resumed>) = 0 [pid 5448] <... poll resumed>) = 0 (Timeout) [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5453 [pid 5453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5452] <... ioctl resumed>) = 0 [pid 5451] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5448] close_range(3, 4294967295, 0 [pid 5453] <... prctl resumed>) = 0 [pid 5452] poll([{fd=7, events=0}], 1, 0 [pid 5450] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5449] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5448] <... close_range resumed>) = 0 [pid 5452] <... poll resumed>) = 0 (Timeout) [pid 5451] <... openat resumed>) = 5 [pid 5448] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5452] close_range(3, 4294967295, 0 [pid 5453] setpgid(0, 0 [pid 5451] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5449] <... openat resumed>) = 3 [pid 5448] <... openat resumed>) = 3 [pid 5453] <... setpgid resumed>) = 0 [pid 5450] <... openat resumed>) = 3 [pid 5449] read(3, [pid 5453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5452] <... close_range resumed>) = 0 [pid 5451] <... ioctl resumed>) = 0 [pid 5448] read(3, [pid 5452] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5451] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5450] read(3, [pid 5449] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5448] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5453] <... openat resumed>) = 3 [pid 5451] <... ioctl resumed>) = 0 [pid 5450] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5449] exit_group(0 [pid 5448] exit_group(0 [pid 5453] write(3, "1000", 4 [pid 5450] exit_group(0 [pid 5449] <... exit_group resumed>) = ? [pid 5453] <... write resumed>) = 4 [pid 5452] <... openat resumed>) = 3 [pid 5451] poll([{fd=7, events=0}], 1, 0 [pid 5448] <... exit_group resumed>) = ? [pid 5453] close(3 [pid 5452] read(3, [pid 5451] <... poll resumed>) = 0 (Timeout) [pid 5450] <... exit_group resumed>) = ? [pid 5449] +++ exited with 0 +++ [pid 5453] <... close resumed>) = 0 [pid 5453] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5452] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5449, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5451] close_range(3, 4294967295, 0 [pid 5453] <... openat resumed>) = 3 [pid 5453] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5451] <... close_range resumed>) = 0 [pid 5448] +++ exited with 0 +++ [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5452] exit_group(0 [pid 5451] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5451] <... openat resumed>) = 3 [pid 5452] <... exit_group resumed>) = ? [pid 5451] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5451] exit_group(0) = ? [pid 5453] <... ioctl resumed>) = 0 [pid 5453] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5453] <... openat resumed>) = 5 [pid 5451] +++ exited with 0 +++ [pid 5450] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached [pid 5453] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5454 attached [pid 5454] set_robust_list(0x5555735f3660, 24 [pid 5452] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5454 [pid 5454] <... set_robust_list resumed>) = 0 [pid 5454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5454] setpgid(0, 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5455 [pid 5454] <... setpgid resumed>) = 0 [pid 5455] set_robust_list(0x5555735f3660, 24 [pid 5454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5453] <... ioctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5456 ./strace-static-x86_64: Process 5456 attached [pid 5456] set_robust_list(0x5555735f3660, 24 [pid 5454] <... openat resumed>) = 3 [pid 5456] <... set_robust_list resumed>) = 0 [pid 5454] write(3, "1000", 4 [pid 5456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5454] <... write resumed>) = 4 [pid 5454] close(3) = 0 [pid 5456] <... prctl resumed>) = 0 [pid 5454] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5456] setpgid(0, 0) = 0 [pid 5456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5454] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5458 attached ./strace-static-x86_64: Process 5457 attached [pid 5456] <... openat resumed>) = 3 [pid 5455] <... set_robust_list resumed>) = 0 [pid 5454] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5453] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5458 [pid 5458] set_robust_list(0x5555735f3660, 24 [pid 5457] set_robust_list(0x5555735f3660, 24 [pid 5456] write(3, "1000", 4 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5453] <... ioctl resumed>) = 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5457 [pid 5458] <... set_robust_list resumed>) = 0 [pid 5457] <... set_robust_list resumed>) = 0 [pid 5456] <... write resumed>) = 4 [pid 5454] <... ioctl resumed>) = 0 [pid 5455] <... prctl resumed>) = 0 [pid 5455] setpgid(0, 0) = 0 [pid 5456] close(3 [pid 5458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... prctl resumed>) = 0 [pid 5457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5456] <... close resumed>) = 0 [pid 5455] <... openat resumed>) = 3 [pid 5454] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5453] poll([{fd=7, events=0}], 1, 0 [pid 5458] setpgid(0, 0 [pid 5454] <... openat resumed>) = 5 [pid 5453] <... poll resumed>) = 0 (Timeout) [pid 5458] <... setpgid resumed>) = 0 [pid 5457] <... prctl resumed>) = 0 [pid 5456] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5455] write(3, "1000", 4 [pid 5454] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5453] close_range(3, 4294967295, 0 [pid 5455] <... write resumed>) = 4 [pid 5455] close(3) = 0 [pid 5455] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5457] setpgid(0, 0 [pid 5456] <... openat resumed>) = 3 [pid 5454] <... ioctl resumed>) = 0 [pid 5453] <... close_range resumed>) = 0 [pid 5457] <... setpgid resumed>) = 0 [pid 5455] <... openat resumed>) = 3 [pid 5453] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5454] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5453] <... openat resumed>) = 3 [pid 5456] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5455] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... openat resumed>) = 3 [pid 5455] <... ioctl resumed>) = 0 [pid 5454] <... ioctl resumed>) = 0 [pid 5453] read(3, [pid 5456] <... ioctl resumed>) = 0 [pid 5455] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5453] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 241 [pid 5458] write(3, "1000", 4 [pid 5457] <... openat resumed>) = 3 [pid 5456] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5455] <... openat resumed>) = 5 [pid 5454] poll([{fd=7, events=0}], 1, 0 [pid 5453] exit_group(0 [pid 5458] <... write resumed>) = 4 [pid 5456] <... openat resumed>) = 5 [pid 5453] <... exit_group resumed>) = ? [pid 5458] close(3 [pid 5454] <... poll resumed>) = 0 (Timeout) [pid 5458] <... close resumed>) = 0 [pid 5456] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5454] close_range(3, 4294967295, 0 [pid 5458] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5457] write(3, "1000", 4 [pid 5456] <... ioctl resumed>) = 0 [pid 5454] <... close_range resumed>) = 0 [pid 5458] <... openat resumed>) = 3 [pid 5457] <... write resumed>) = 4 [pid 5456] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5454] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5457] close(3 [pid 5456] <... ioctl resumed>) = 0 [pid 5455] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5454] <... openat resumed>) = 3 [pid 5458] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5457] <... close resumed>) = 0 [pid 5458] <... ioctl resumed>) = 0 [pid 5457] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5455] <... ioctl resumed>) = 0 [pid 5457] <... openat resumed>) = 3 [pid 5456] poll([{fd=7, events=0}], 1, 0 [pid 5458] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5455] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5454] read(3, [pid 5458] <... openat resumed>) = 5 [pid 5457] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5456] <... poll resumed>) = 0 (Timeout) [pid 5455] <... ioctl resumed>) = 0 [pid 5454] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 325 [pid 5453] +++ exited with 0 +++ [pid 5458] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5457] <... ioctl resumed>) = 0 [pid 5456] close_range(3, 4294967295, 0 [pid 5455] poll([{fd=7, events=0}], 1, 0 [pid 5454] exit_group(0 [pid 5455] <... poll resumed>) = 0 (Timeout) [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5455] close_range(3, 4294967295, 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5458] <... ioctl resumed>) = 0 [pid 5457] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5456] <... close_range resumed>) = 0 [pid 5455] <... close_range resumed>) = 0 [pid 5454] <... exit_group resumed>) = ? [pid 5457] <... openat resumed>) = 5 [pid 5455] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5459 attached [pid 5458] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5455] <... openat resumed>) = 3 [pid 5458] <... ioctl resumed>) = 0 [pid 5457] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5456] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5459] set_robust_list(0x5555735f3660, 24 [pid 5457] <... ioctl resumed>) = 0 [pid 5456] <... openat resumed>) = 3 [pid 5455] read(3, [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5459 [pid 5458] poll([{fd=7, events=0}], 1, 0 [pid 5456] read(3, [pid 5458] <... poll resumed>) = 0 (Timeout) [pid 5457] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5456] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5455] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5459] <... set_robust_list resumed>) = 0 [pid 5458] close_range(3, 4294967295, 0 [pid 5457] <... ioctl resumed>) = 0 [pid 5456] exit_group(0 [pid 5458] <... close_range resumed>) = 0 [pid 5458] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5456] <... exit_group resumed>) = ? [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5457] poll([{fd=7, events=0}], 1, 0 [pid 5455] exit_group(0 [pid 5454] +++ exited with 0 +++ [pid 5459] <... prctl resumed>) = 0 [pid 5458] <... openat resumed>) = 3 [pid 5457] <... poll resumed>) = 0 (Timeout) [pid 5456] +++ exited with 0 +++ [pid 5455] <... exit_group resumed>) = ? [pid 5459] setpgid(0, 0 [pid 5458] read(3, [pid 5457] close_range(3, 4294967295, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5459] <... setpgid resumed>) = 0 [pid 5457] <... close_range resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5457] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5458] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5457] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5460 attached [pid 5459] <... openat resumed>) = 3 [pid 5458] exit_group(0 [pid 5457] read(3, [pid 5455] +++ exited with 0 +++ [pid 5096] <... restart_syscall resumed>) = 0 [pid 5460] set_robust_list(0x5555735f3660, 24 [pid 5457] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5460 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5460] <... set_robust_list resumed>) = 0 [pid 5459] write(3, "1000", 4 [pid 5458] <... exit_group resumed>) = ? [pid 5457] exit_group(0) = ? [pid 5460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5459] <... write resumed>) = 4 [pid 5458] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5459] close(3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5460] <... prctl resumed>) = 0 [pid 5459] <... close resumed>) = 0 [pid 5457] +++ exited with 0 +++ [pid 5460] setpgid(0, 0 [pid 5459] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5462 attached [pid 5460] <... setpgid resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5461 attached [pid 5462] set_robust_list(0x5555735f3660, 24 [pid 5460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5459] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5462 [pid 5461] set_robust_list(0x5555735f3660, 24 [pid 5462] <... set_robust_list resumed>) = 0 [pid 5460] <... openat resumed>) = 3 [pid 5459] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5463 attached [pid 5462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5461] <... set_robust_list resumed>) = 0 [pid 5463] set_robust_list(0x5555735f3660, 24 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5463 [pid 5461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5461 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5463] <... set_robust_list resumed>) = 0 [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5463] setpgid(0, 0 [pid 5460] write(3, "1000", 4 [pid 5463] <... setpgid resumed>) = 0 [pid 5460] <... write resumed>) = 4 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5460] close(3) = 0 ./strace-static-x86_64: Process 5464 attached [pid 5463] <... openat resumed>) = 3 [pid 5461] <... prctl resumed>) = 0 [pid 5462] <... prctl resumed>) = 0 [pid 5460] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5459] <... ioctl resumed>) = 0 [pid 5464] set_robust_list(0x5555735f3660, 24 [pid 5463] write(3, "1000", 4 [pid 5461] setpgid(0, 0 [pid 5462] setpgid(0, 0 [pid 5460] <... openat resumed>) = 3 [pid 5459] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5464 [pid 5464] <... set_robust_list resumed>) = 0 [pid 5463] <... write resumed>) = 4 [pid 5461] <... setpgid resumed>) = 0 [pid 5462] <... setpgid resumed>) = 0 [pid 5464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5463] close(3 [pid 5461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5460] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5459] <... openat resumed>) = 5 [pid 5464] <... prctl resumed>) = 0 [pid 5463] <... close resumed>) = 0 [pid 5464] setpgid(0, 0 [pid 5463] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5460] <... ioctl resumed>) = 0 [pid 5464] <... setpgid resumed>) = 0 [pid 5461] <... openat resumed>) = 3 [pid 5459] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5463] <... openat resumed>) = 3 [pid 5462] <... openat resumed>) = 3 [pid 5460] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5463] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5461] write(3, "1000", 4 [pid 5462] write(3, "1000", 4 [pid 5460] <... openat resumed>) = 5 [pid 5459] <... ioctl resumed>) = 0 [pid 5463] <... ioctl resumed>) = 0 [pid 5461] <... write resumed>) = 4 [pid 5461] close(3 [pid 5462] <... write resumed>) = 4 [pid 5459] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5464] <... openat resumed>) = 3 [pid 5463] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5461] <... close resumed>) = 0 [pid 5462] close(3 [pid 5460] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5463] <... openat resumed>) = 5 [pid 5462] <... close resumed>) = 0 [pid 5460] <... ioctl resumed>) = 0 [pid 5459] <... ioctl resumed>) = 0 [pid 5463] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5464] write(3, "1000", 4 [pid 5461] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5462] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5460] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5459] poll([{fd=7, events=0}], 1, 0 [pid 5464] <... write resumed>) = 4 [pid 5463] <... ioctl resumed>) = 0 [pid 5460] <... ioctl resumed>) = 0 [pid 5463] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5460] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5460] close_range(3, 4294967295, 0 [pid 5464] close(3 [pid 5463] poll([{fd=7, events=0}], 1, 0 [pid 5461] <... openat resumed>) = 3 [pid 5462] <... openat resumed>) = 3 [pid 5460] <... close_range resumed>) = 0 [pid 5459] <... poll resumed>) = 0 (Timeout) [pid 5464] <... close resumed>) = 0 [pid 5463] <... poll resumed>) = 0 (Timeout) [pid 5462] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5459] close_range(3, 4294967295, 0 [pid 5461] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5463] close_range(3, 4294967295, 0 [pid 5464] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5463] <... close_range resumed>) = 0 [pid 5461] <... ioctl resumed>) = 0 [pid 5462] <... ioctl resumed>) = 0 [pid 5459] <... close_range resumed>) = 0 [pid 5461] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5462] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5463] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5460] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5464] <... openat resumed>) = 3 [pid 5463] <... openat resumed>) = 3 [pid 5461] <... openat resumed>) = 5 [pid 5462] <... openat resumed>) = 5 [pid 5460] <... openat resumed>) = 3 [pid 5464] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5461] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5462] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5459] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5464] <... ioctl resumed>) = 0 [pid 5463] read(3, [pid 5460] read(3, [pid 5463] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 261 [pid 5461] <... ioctl resumed>) = 0 [pid 5462] <... ioctl resumed>) = 0 [pid 5460] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 261 [pid 5464] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5463] exit_group(0 [pid 5460] exit_group(0 [pid 5459] <... openat resumed>) = 3 [pid 5461] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5463] <... exit_group resumed>) = ? [pid 5460] <... exit_group resumed>) = ? [pid 5464] <... openat resumed>) = 5 [pid 5461] <... ioctl resumed>) = 0 [pid 5462] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5459] read(3, [pid 5462] <... ioctl resumed>) = 0 [pid 5464] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5459] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 329 [pid 5463] +++ exited with 0 +++ [pid 5461] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5464] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5461] close_range(3, 4294967295, 0 [pid 5462] poll([{fd=7, events=0}], 1, 0 [pid 5459] exit_group(0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5464] <... ioctl resumed>) = 0 [pid 5461] <... close_range resumed>) = 0 [pid 5462] <... poll resumed>) = 0 (Timeout) [pid 5459] <... exit_group resumed>) = ? [pid 5461] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5462] close_range(3, 4294967295, 0 [pid 5460] +++ exited with 0 +++ [pid 5464] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5464] close_range(3, 4294967295, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5464] <... close_range resumed>) = 0 [pid 5461] <... openat resumed>) = 3 [pid 5462] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5465 attached [pid 5464] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5461] read(3, [pid 5462] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5459] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5465 [pid 5465] set_robust_list(0x5555735f3660, 24 [pid 5464] <... openat resumed>) = 3 [pid 5461] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5462] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5465] <... set_robust_list resumed>) = 0 [pid 5464] read(3, [pid 5461] exit_group(0 [pid 5462] read(3, [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5459, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- ./strace-static-x86_64: Process 5466 attached [pid 5466] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5466 [pid 5464] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5461] <... exit_group resumed>) = ? [pid 5462] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5466] <... set_robust_list resumed>) = 0 [pid 5464] exit_group(0 [pid 5466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5466] setpgid(0, 0) = 0 [pid 5465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5464] <... exit_group resumed>) = ? [pid 5461] +++ exited with 0 +++ [pid 5462] exit_group(0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5467 attached [pid 5466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] <... prctl resumed>) = 0 [pid 5462] <... exit_group resumed>) = ? [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5465] setpgid(0, 0) = 0 [pid 5467] set_robust_list(0x5555735f3660, 24 [pid 5465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5466] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5468 attached [pid 5467] <... set_robust_list resumed>) = 0 [pid 5465] <... openat resumed>) = 3 [pid 5464] +++ exited with 0 +++ [pid 5462] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5467 [pid 5468] set_robust_list(0x5555735f3660, 24 [pid 5466] write(3, "1000", 4 [pid 5468] <... set_robust_list resumed>) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5465] write(3, "1000", 4 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5466] <... write resumed>) = 4 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5468 [pid 5466] close(3 [pid 5468] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5467] <... prctl resumed>) = 0 [pid 5466] <... close resumed>) = 0 [pid 5465] <... write resumed>) = 4 [pid 5468] <... prctl resumed>) = 0 [pid 5467] setpgid(0, 0 [pid 5466] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5465] close(3 [pid 5468] setpgid(0, 0 [pid 5467] <... setpgid resumed>) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] <... close resumed>) = 0 [pid 5468] <... setpgid resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5467] <... openat resumed>) = 3 [pid 5466] <... openat resumed>) = 3 [pid 5465] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5469 attached [pid 5468] <... openat resumed>) = 3 [pid 5467] write(3, "1000", 4 [pid 5466] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5465] <... openat resumed>) = 3 [pid 5469] set_robust_list(0x5555735f3660, 24 [pid 5468] write(3, "1000", 4 [pid 5467] <... write resumed>) = 4 [pid 5466] <... ioctl resumed>) = 0 [pid 5465] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5469 [pid 5469] <... set_robust_list resumed>) = 0 [pid 5468] <... write resumed>) = 4 [pid 5467] close(3 [pid 5466] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5465] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5470 attached [pid 5470] set_robust_list(0x5555735f3660, 24 [pid 5469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] close(3 [pid 5467] <... close resumed>) = 0 [pid 5466] <... openat resumed>) = 5 [pid 5465] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5470 [pid 5470] <... set_robust_list resumed>) = 0 [pid 5470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5468] <... close resumed>) = 0 [pid 5467] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5470] <... prctl resumed>) = 0 [pid 5470] setpgid(0, 0 [pid 5468] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5470] <... setpgid resumed>) = 0 [pid 5470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5465] <... openat resumed>) = 5 [pid 5469] <... prctl resumed>) = 0 [pid 5470] <... openat resumed>) = 3 [pid 5469] setpgid(0, 0 [pid 5468] <... openat resumed>) = 3 [pid 5467] <... openat resumed>) = 3 [pid 5466] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5465] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5469] <... setpgid resumed>) = 0 [pid 5466] <... ioctl resumed>) = 0 [pid 5465] <... ioctl resumed>) = 0 [pid 5470] write(3, "1000", 4 [pid 5469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5468] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5467] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5466] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5465] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5470] <... write resumed>) = 4 [pid 5468] <... ioctl resumed>) = 0 [pid 5467] <... ioctl resumed>) = 0 [pid 5466] <... ioctl resumed>) = 0 [pid 5465] <... ioctl resumed>) = 0 [pid 5469] <... openat resumed>) = 3 [pid 5470] close(3 [pid 5467] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5470] <... close resumed>) = 0 [pid 5469] write(3, "1000", 4 [pid 5468] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5467] <... openat resumed>) = 5 [pid 5470] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5469] <... write resumed>) = 4 [pid 5468] <... openat resumed>) = 5 [pid 5467] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5466] poll([{fd=7, events=0}], 1, 0 [pid 5465] poll([{fd=7, events=0}], 1, 0 [pid 5469] close(3 [pid 5468] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5466] <... poll resumed>) = 0 (Timeout) [pid 5465] <... poll resumed>) = 0 (Timeout) [pid 5469] <... close resumed>) = 0 [pid 5466] close_range(3, 4294967295, 0 [pid 5465] close_range(3, 4294967295, 0 [pid 5467] <... ioctl resumed>) = 0 [pid 5470] <... openat resumed>) = 3 [pid 5469] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5468] <... ioctl resumed>) = 0 [pid 5467] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5470] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5468] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5467] <... ioctl resumed>) = 0 [pid 5470] <... ioctl resumed>) = 0 [pid 5468] <... ioctl resumed>) = 0 [pid 5467] poll([{fd=7, events=0}], 1, 0 [pid 5465] <... close_range resumed>) = 0 [pid 5469] <... openat resumed>) = 3 [pid 5465] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5470] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5468] poll([{fd=7, events=0}], 1, 0 [pid 5467] <... poll resumed>) = 0 (Timeout) [pid 5470] <... openat resumed>) = 5 [pid 5469] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5468] <... poll resumed>) = 0 (Timeout) [pid 5467] close_range(3, 4294967295, 0 [pid 5466] <... close_range resumed>) = 0 [pid 5465] <... openat resumed>) = 3 [pid 5470] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5469] <... ioctl resumed>) = 0 [pid 5468] close_range(3, 4294967295, 0 [pid 5467] <... close_range resumed>) = 0 [pid 5466] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5465] read(3, [pid 5466] <... openat resumed>) = 3 [pid 5465] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence e"..., 8224) = 298 [pid 5470] <... ioctl resumed>) = 0 [pid 5468] <... close_range resumed>) = 0 [pid 5467] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5469] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5466] read(3, [pid 5465] exit_group(0 [pid 5470] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5469] <... openat resumed>) = 5 [pid 5468] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5466] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5465] <... exit_group resumed>) = ? [pid 5470] <... ioctl resumed>) = 0 [pid 5469] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5468] <... openat resumed>) = 3 [pid 5467] <... openat resumed>) = 3 [pid 5466] exit_group(0 [pid 5469] <... ioctl resumed>) = 0 [pid 5470] poll([{fd=7, events=0}], 1, 0 [pid 5469] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5468] read(3, [pid 5467] read(3, [pid 5466] <... exit_group resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5470] <... poll resumed>) = 0 (Timeout) [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5465, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5470] close_range(3, 4294967295, 0 [pid 5468] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5467] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5468] exit_group(0 [pid 5467] exit_group(0 [pid 5466] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5470] <... close_range resumed>) = 0 [pid 5467] <... exit_group resumed>) = ? [pid 5469] <... ioctl resumed>) = 0 [pid 5468] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5471 attached [pid 5471] set_robust_list(0x5555735f3660, 24 [pid 5470] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5469] poll([{fd=7, events=0}], 1, 0 [pid 5467] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5471 [pid 5471] <... set_robust_list resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5471] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5472 attached [pid 5470] <... openat resumed>) = 3 [pid 5469] <... poll resumed>) = 0 (Timeout) [pid 5468] +++ exited with 0 +++ [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5472] set_robust_list(0x5555735f3660, 24 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] <... set_robust_list resumed>) = 0 [pid 5472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5472] setpgid(0, 0 [pid 5471] <... openat resumed>) = 3 [pid 5469] close_range(3, 4294967295, 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5472 [pid 5470] read(3, [pid 5472] <... setpgid resumed>) = 0 [pid 5472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5469] <... close_range resumed>) = 0 [pid 5470] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5471] write(3, "1000", 4 [pid 5472] <... openat resumed>) = 3 [pid 5471] <... write resumed>) = 4 [pid 5470] exit_group(0 [pid 5469] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5471] close(3) = 0 [pid 5471] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5469] <... openat resumed>) = 3 [pid 5472] write(3, "1000", 4 [pid 5471] <... openat resumed>) = 3 [pid 5472] <... write resumed>) = 4 [pid 5472] close(3 [pid 5469] read(3, [pid 5470] <... exit_group resumed>) = ? [pid 5472] <... close resumed>) = 0 [pid 5471] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5472] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5471] <... ioctl resumed>) = 0 [pid 5469] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5471] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5472] <... openat resumed>) = 3 [pid 5471] <... openat resumed>) = 5 [pid 5469] exit_group(0 [pid 5472] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5471] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5471] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5470] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5471] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5471] close_range(3, 4294967295, 0) = 0 ./strace-static-x86_64: Process 5474 attached ./strace-static-x86_64: Process 5473 attached [pid 5472] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5469] <... exit_group resumed>) = ? [pid 5471] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5474] set_robust_list(0x5555735f3660, 24 [pid 5473] set_robust_list(0x5555735f3660, 24 [pid 5471] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5475 attached [pid 5474] <... set_robust_list resumed>) = 0 [pid 5473] <... set_robust_list resumed>) = 0 [pid 5472] <... openat resumed>) = 5 [pid 5471] read(3, [pid 5469] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5473 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5475 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5474 [pid 5475] set_robust_list(0x5555735f3660, 24 [pid 5472] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5471] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5475] <... set_robust_list resumed>) = 0 [pid 5472] <... ioctl resumed>) = 0 [pid 5471] exit_group(0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5473] <... prctl resumed>) = 0 [pid 5471] <... exit_group resumed>) = ? [pid 5475] <... prctl resumed>) = 0 [pid 5474] <... prctl resumed>) = 0 [pid 5473] setpgid(0, 0 [pid 5472] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5475] setpgid(0, 0 [pid 5472] <... ioctl resumed>) = 0 [pid 5475] <... setpgid resumed>) = 0 [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5474] setpgid(0, 0 [pid 5472] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5475] <... openat resumed>) = 3 [pid 5472] close_range(3, 4294967295, 0 [pid 5473] <... setpgid resumed>) = 0 [pid 5474] <... setpgid resumed>) = 0 [pid 5471] +++ exited with 0 +++ [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5475] write(3, "1000", 4 [pid 5472] <... close_range resumed>) = 0 [pid 5475] <... write resumed>) = 4 [pid 5474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5475] close(3 [pid 5472] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5475] <... close resumed>) = 0 [pid 5472] <... openat resumed>) = 3 [pid 5475] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5472] read(3, [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5472] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5475] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5472] exit_group(0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5475] <... ioctl resumed>) = 0 [pid 5472] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5476 attached [pid 5475] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5474] <... openat resumed>) = 3 [pid 5473] <... openat resumed>) = 3 [pid 5476] set_robust_list(0x5555735f3660, 24 [pid 5475] <... openat resumed>) = 5 [pid 5474] write(3, "1000", 4 [pid 5473] write(3, "1000", 4 [pid 5472] +++ exited with 0 +++ [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5476 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5475] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5474] <... write resumed>) = 4 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5475] <... ioctl resumed>) = 0 [pid 5474] close(3) = 0 [pid 5474] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5475] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5477 attached [pid 5476] <... set_robust_list resumed>) = 0 [pid 5475] poll([{fd=7, events=0}], 1, 0 [pid 5474] <... openat resumed>) = 3 [pid 5473] <... write resumed>) = 4 [pid 5475] <... poll resumed>) = 0 (Timeout) [pid 5473] close(3./strace-static-x86_64: Process 5478 attached [pid 5476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5475] close_range(3, 4294967295, 0 [pid 5473] <... close resumed>) = 0 [pid 5476] <... prctl resumed>) = 0 [pid 5474] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5473] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5477 [pid 5478] set_robust_list(0x5555735f3660, 24 [pid 5477] set_robust_list(0x5555735f3660, 24 [pid 5476] setpgid(0, 0 [pid 5475] <... close_range resumed>) = 0 [pid 5474] <... ioctl resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5478 [pid 5475] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5478] <... set_robust_list resumed>) = 0 [pid 5475] read(3, [pid 5477] <... set_robust_list resumed>) = 0 [pid 5476] <... setpgid resumed>) = 0 [pid 5475] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5474] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5473] <... openat resumed>) = 3 [pid 5478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5475] exit_group(0 [pid 5474] <... openat resumed>) = 5 [pid 5476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5478] <... prctl resumed>) = 0 [pid 5475] <... exit_group resumed>) = ? [pid 5478] setpgid(0, 0 [pid 5477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5476] <... openat resumed>) = 3 [pid 5474] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5473] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5477] <... prctl resumed>) = 0 [pid 5473] <... ioctl resumed>) = 0 [pid 5478] <... setpgid resumed>) = 0 [pid 5474] <... ioctl resumed>) = 0 [pid 5478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5477] setpgid(0, 0 [pid 5476] write(3, "1000", 4 [pid 5475] +++ exited with 0 +++ [pid 5474] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5473] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5478] <... openat resumed>) = 3 [pid 5477] <... setpgid resumed>) = 0 [pid 5476] <... write resumed>) = 4 [pid 5474] <... ioctl resumed>) = 0 [pid 5473] <... openat resumed>) = 5 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5478] write(3, "1000", 4 [pid 5477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5476] close(3 [pid 5478] <... write resumed>) = 4 [pid 5477] <... openat resumed>) = 3 [pid 5476] <... close resumed>) = 0 [pid 5474] poll([{fd=7, events=0}], 1, 0 [pid 5473] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5478] close(3 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5478] <... close resumed>) = 0 [pid 5474] <... poll resumed>) = 0 (Timeout) [pid 5473] <... ioctl resumed>) = 0 [pid 5477] write(3, "1000", 4 [pid 5474] close_range(3, 4294967295, 0 [pid 5473] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5477] <... write resumed>) = 4 [pid 5473] <... ioctl resumed>) = 0 [pid 5477] close(3 [pid 5474] <... close_range resumed>) = 0 [pid 5477] <... close resumed>) = 0 [pid 5474] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5473] poll([{fd=7, events=0}], 1, 0 [pid 5477] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5476] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5474] <... openat resumed>) = 3 [pid 5473] <... poll resumed>) = 0 (Timeout) [pid 5478] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5477] <... openat resumed>) = 3 [pid 5476] <... openat resumed>) = 3 [pid 5478] <... openat resumed>) = 3 [pid 5474] read(3, [pid 5473] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5479 attached [pid 5478] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5476] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5474] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nsyz-executor286: 0\n"..., 8224) = 124 [pid 5477] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5474] exit_group(0 [pid 5473] <... close_range resumed>) = 0 [pid 5479] set_robust_list(0x5555735f3660, 24 [pid 5478] <... ioctl resumed>) = 0 [pid 5477] <... ioctl resumed>) = 0 [pid 5476] <... ioctl resumed>) = 0 [pid 5474] <... exit_group resumed>) = ? [pid 5473] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5479 [pid 5479] <... set_robust_list resumed>) = 0 [pid 5478] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5477] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5476] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5478] <... openat resumed>) = 5 [pid 5477] <... openat resumed>) = 5 [pid 5476] <... openat resumed>) = 5 [pid 5473] <... openat resumed>) = 3 [pid 5479] <... prctl resumed>) = 0 [pid 5477] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5473] read(3, [pid 5479] setpgid(0, 0 [pid 5478] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5476] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5479] <... setpgid resumed>) = 0 [pid 5478] <... ioctl resumed>) = 0 [pid 5477] <... ioctl resumed>) = 0 [pid 5476] <... ioctl resumed>) = 0 [pid 5473] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 257 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5477] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5473] exit_group(0 [pid 5477] <... ioctl resumed>) = 0 [pid 5473] <... exit_group resumed>) = ? [pid 5479] <... openat resumed>) = 3 [pid 5478] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5476] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5474] +++ exited with 0 +++ [pid 5479] write(3, "1000", 4 [pid 5478] <... ioctl resumed>) = 0 [pid 5477] poll([{fd=7, events=0}], 1, 0 [pid 5476] <... ioctl resumed>) = 0 [pid 5479] <... write resumed>) = 4 [pid 5477] <... poll resumed>) = 0 (Timeout) [pid 5476] poll([{fd=7, events=0}], 1, 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5478] poll([{fd=7, events=0}], 1, 0 [pid 5477] close_range(3, 4294967295, 0 [pid 5476] <... poll resumed>) = 0 (Timeout) [pid 5479] close(3 [pid 5478] <... poll resumed>) = 0 (Timeout) [pid 5476] close_range(3, 4294967295, 0 [pid 5479] <... close resumed>) = 0 [pid 5478] close_range(3, 4294967295, 0 [pid 5477] <... close_range resumed>) = 0 [pid 5476] <... close_range resumed>) = 0 [pid 5479] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5477] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5473] +++ exited with 0 +++ [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5479] <... openat resumed>) = 3 [pid 5478] <... close_range resumed>) = 0 [pid 5477] <... openat resumed>) = 3 [pid 5476] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5480 attached [pid 5479] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5478] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5477] read(3, [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5480] set_robust_list(0x5555735f3660, 24 [pid 5479] <... ioctl resumed>) = 0 [pid 5478] <... openat resumed>) = 3 [pid 5477] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5476] <... openat resumed>) = 3 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5480 [pid 5480] <... set_robust_list resumed>) = 0 [pid 5479] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] <... restart_syscall resumed>) = 0 [pid 5479] <... openat resumed>) = 5 [pid 5479] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5478] read(3, [pid 5477] exit_group(0 [pid 5476] read(3, [pid 5480] <... prctl resumed>) = 0 [pid 5479] <... ioctl resumed>) = 0 [pid 5479] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5478] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5477] <... exit_group resumed>) = ? [pid 5476] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5480] setpgid(0, 0 [pid 5479] <... ioctl resumed>) = 0 [pid 5480] <... setpgid resumed>) = 0 [pid 5479] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5479] close_range(3, 4294967295, 0 [pid 5480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5479] <... close_range resumed>) = 0 [pid 5479] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5479] read(3, ./strace-static-x86_64: Process 5481 attached [pid 5480] <... openat resumed>) = 3 [pid 5478] exit_group(0 [pid 5477] +++ exited with 0 +++ [pid 5476] exit_group(0 [pid 5480] write(3, "1000", 4 [pid 5481] set_robust_list(0x5555735f3660, 24 [pid 5480] <... write resumed>) = 4 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5481 [pid 5481] <... set_robust_list resumed>) = 0 [pid 5480] close(3) = 0 [pid 5479] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5478] <... exit_group resumed>) = ? [pid 5476] <... exit_group resumed>) = ? [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5477, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5480] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5479] exit_group(0 [pid 5476] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5476, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5479] <... exit_group resumed>) = ? [pid 5481] <... prctl resumed>) = 0 [pid 5480] <... openat resumed>) = 3 [pid 5478] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5481] setpgid(0, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5482 attached [pid 5481] <... setpgid resumed>) = 0 [pid 5480] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5479] +++ exited with 0 +++ [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5482] set_robust_list(0x5555735f3660, 24 [pid 5481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... restart_syscall resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5482 [pid 5480] <... ioctl resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5479, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5480] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5482] <... set_robust_list resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5481] <... openat resumed>) = 3 [pid 5480] <... openat resumed>) = 5 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5483 attached [pid 5483] set_robust_list(0x5555735f3660, 24) = 0 [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5485 attached ./strace-static-x86_64: Process 5484 attached [pid 5482] <... prctl resumed>) = 0 [pid 5481] write(3, "1000", 4 [pid 5480] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5483 [pid 5485] set_robust_list(0x5555735f3660, 24 [pid 5484] set_robust_list(0x5555735f3660, 24 [pid 5483] <... prctl resumed>) = 0 [pid 5482] setpgid(0, 0 [pid 5481] <... write resumed>) = 4 [pid 5480] <... ioctl resumed>) = 0 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5485 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5484 [pid 5483] setpgid(0, 0 [pid 5485] <... set_robust_list resumed>) = 0 [pid 5484] <... set_robust_list resumed>) = 0 [pid 5482] <... setpgid resumed>) = 0 [pid 5481] close(3 [pid 5480] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5483] <... setpgid resumed>) = 0 [pid 5485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5481] <... close resumed>) = 0 [pid 5480] <... ioctl resumed>) = 0 [pid 5485] <... prctl resumed>) = 0 [pid 5484] <... prctl resumed>) = 0 [pid 5482] <... openat resumed>) = 3 [pid 5481] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5480] poll([{fd=7, events=0}], 1, 0 [pid 5485] setpgid(0, 0 [pid 5484] setpgid(0, 0 [pid 5483] <... openat resumed>) = 3 [pid 5485] <... setpgid resumed>) = 0 [pid 5484] <... setpgid resumed>) = 0 [pid 5483] write(3, "1000", 4 [pid 5480] <... poll resumed>) = 0 (Timeout) [pid 5485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5482] write(3, "1000", 4 [pid 5481] <... openat resumed>) = 3 [pid 5482] <... write resumed>) = 4 [pid 5482] close(3 [pid 5485] <... openat resumed>) = 3 [pid 5483] <... write resumed>) = 4 [pid 5482] <... close resumed>) = 0 [pid 5480] close_range(3, 4294967295, 0 [pid 5484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5483] close(3 [pid 5485] write(3, "1000", 4 [pid 5482] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5485] <... write resumed>) = 4 [pid 5483] <... close resumed>) = 0 [pid 5482] <... openat resumed>) = 3 [pid 5481] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5480] <... close_range resumed>) = 0 [pid 5485] close(3 [pid 5482] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5485] <... close resumed>) = 0 [pid 5483] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5482] <... ioctl resumed>) = 0 [pid 5485] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5482] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5485] <... openat resumed>) = 3 [pid 5484] <... openat resumed>) = 3 [pid 5483] <... openat resumed>) = 3 [pid 5481] <... ioctl resumed>) = 0 [pid 5480] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5483] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5484] write(3, "1000", 4 [pid 5483] <... ioctl resumed>) = 0 [pid 5480] read(3, [pid 5484] <... write resumed>) = 4 [pid 5484] close(3 [pid 5480] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 217 [pid 5484] <... close resumed>) = 0 [pid 5483] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5484] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5483] <... openat resumed>) = 5 [pid 5480] exit_group(0 [pid 5484] <... openat resumed>) = 3 [pid 5483] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5480] <... exit_group resumed>) = ? [pid 5485] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5484] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5483] <... ioctl resumed>) = 0 [pid 5482] <... openat resumed>) = 5 [pid 5481] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5480] +++ exited with 0 +++ [pid 5484] <... ioctl resumed>) = 0 [pid 5483] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5480, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5481] <... openat resumed>) = 5 [pid 5485] <... ioctl resumed>) = 0 [pid 5484] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5481] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5482] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5485] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5484] <... openat resumed>) = 5 [pid 5483] poll([{fd=7, events=0}], 1, 0 [pid 5482] <... ioctl resumed>) = 0 [pid 5481] <... ioctl resumed>) = 0 [pid 5485] <... openat resumed>) = 5 [pid 5482] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5481] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5485] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5482] <... ioctl resumed>) = 0 [pid 5481] <... ioctl resumed>) = 0 [pid 5485] <... ioctl resumed>) = 0 [pid 5482] poll([{fd=7, events=0}], 1, 0 [pid 5481] poll([{fd=7, events=0}], 1, 0 [pid 5485] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5482] <... poll resumed>) = 0 (Timeout) [pid 5481] <... poll resumed>) = 0 (Timeout) [pid 5485] <... ioctl resumed>) = 0 [pid 5482] close_range(3, 4294967295, 0 [pid 5481] close_range(3, 4294967295, 0 [pid 5485] poll([{fd=7, events=0}], 1, 0 [pid 5482] <... close_range resumed>) = 0 [pid 5481] <... close_range resumed>) = 0 [pid 5485] <... poll resumed>) = 0 (Timeout) [pid 5482] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5481] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5485] close_range(3, 4294967295, 0 [pid 5482] <... openat resumed>) = 3 [pid 5481] <... openat resumed>) = 3 [pid 5485] <... close_range resumed>) = 0 [pid 5482] read(3, [pid 5485] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5482] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5485] <... openat resumed>) = 3 [pid 5482] exit_group(0 [pid 5481] read(3, [pid 5482] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5487 attached [pid 5485] read(3, [pid 5484] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5483] <... poll resumed>) = 0 (Timeout) [pid 5487] set_robust_list(0x5555735f3660, 24 [pid 5485] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5484] <... ioctl resumed>) = 0 [pid 5483] close_range(3, 4294967295, 0 [pid 5481] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5487] <... set_robust_list resumed>) = 0 [pid 5485] exit_group(0 [pid 5484] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5483] <... close_range resumed>) = 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5487 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5485] <... exit_group resumed>) = ? [pid 5484] <... ioctl resumed>) = 0 [pid 5483] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5481] exit_group(0 [pid 5487] <... prctl resumed>) = 0 [pid 5484] poll([{fd=7, events=0}], 1, 0 [pid 5483] <... openat resumed>) = 3 [pid 5487] setpgid(0, 0 [pid 5481] <... exit_group resumed>) = ? [pid 5487] <... setpgid resumed>) = 0 [pid 5484] <... poll resumed>) = 0 (Timeout) [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5484] close_range(3, 4294967295, 0) = 0 [pid 5483] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5482] +++ exited with 0 +++ [pid 5481] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5487] <... openat resumed>) = 3 [pid 5484] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5483] exit_group(0 [pid 5487] write(3, "1000", 4 [pid 5484] <... openat resumed>) = 3 [pid 5483] <... exit_group resumed>) = ? [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5482, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5487] <... write resumed>) = 4 [pid 5485] +++ exited with 0 +++ [pid 5484] read(3, [pid 5483] +++ exited with 0 +++ [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5488 attached [pid 5488] set_robust_list(0x5555735f3660, 24 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5487] close(3 [pid 5484] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5488 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5488] <... set_robust_list resumed>) = 0 [pid 5487] <... close resumed>) = 0 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5488] <... prctl resumed>) = 0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5488] setpgid(0, 0 [pid 5487] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5489 attached ./strace-static-x86_64: Process 5491 attached ./strace-static-x86_64: Process 5490 attached [pid 5488] <... setpgid resumed>) = 0 [pid 5484] exit_group(0 [pid 5489] set_robust_list(0x5555735f3660, 24 [pid 5491] set_robust_list(0x5555735f3660, 24 [pid 5488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5487] <... openat resumed>) = 3 [pid 5484] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5490 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5489 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5491 [pid 5489] <... set_robust_list resumed>) = 0 [pid 5490] set_robust_list(0x5555735f3660, 24 [pid 5488] <... openat resumed>) = 3 [pid 5489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5489] setpgid(0, 0) = 0 [pid 5488] write(3, "1000", 4 [pid 5489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] <... write resumed>) = 4 [pid 5491] <... set_robust_list resumed>) = 0 [pid 5490] <... set_robust_list resumed>) = 0 [pid 5488] close(3 [pid 5489] <... openat resumed>) = 3 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5488] <... close resumed>) = 0 [pid 5487] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5488] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5488] <... openat resumed>) = 3 [pid 5487] <... ioctl resumed>) = 0 [pid 5489] write(3, "1000", 4) = 4 [pid 5491] <... prctl resumed>) = 0 [pid 5490] <... prctl resumed>) = 0 [pid 5488] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5487] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5489] close(3 [pid 5488] <... ioctl resumed>) = 0 [pid 5489] <... close resumed>) = 0 [pid 5489] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5490] setpgid(0, 0 [pid 5487] <... openat resumed>) = 5 [pid 5491] setpgid(0, 0 [pid 5489] <... openat resumed>) = 3 [pid 5491] <... setpgid resumed>) = 0 [pid 5490] <... setpgid resumed>) = 0 [pid 5487] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5489] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5488] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5488] <... openat resumed>) = 5 [pid 5487] <... ioctl resumed>) = 0 [pid 5489] <... ioctl resumed>) = 0 [pid 5488] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5489] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5488] <... ioctl resumed>) = 0 [pid 5489] <... openat resumed>) = 5 [pid 5490] <... openat resumed>) = 3 [pid 5489] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5488] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5487] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5489] <... ioctl resumed>) = 0 [pid 5491] <... openat resumed>) = 3 [pid 5488] <... ioctl resumed>) = 0 [pid 5489] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5491] write(3, "1000", 4 [pid 5490] write(3, "1000", 4 [pid 5488] poll([{fd=7, events=0}], 1, 0 [pid 5487] <... ioctl resumed>) = 0 [pid 5484] +++ exited with 0 +++ [pid 5491] <... write resumed>) = 4 [pid 5490] <... write resumed>) = 4 [pid 5488] <... poll resumed>) = 0 (Timeout) [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5489] poll([{fd=7, events=0}], 1, 0 [pid 5488] close_range(3, 4294967295, 0 [pid 5489] <... poll resumed>) = 0 (Timeout) [pid 5491] close(3 [pid 5490] close(3 [pid 5488] <... close_range resumed>) = 0 [pid 5487] poll([{fd=7, events=0}], 1, 0 [pid 5489] close_range(3, 4294967295, 0 [pid 5487] <... poll resumed>) = 0 (Timeout) [pid 5487] close_range(3, 4294967295, 0 [pid 5490] <... close resumed>) = 0 [pid 5489] <... close_range resumed>) = 0 [pid 5491] <... close resumed>) = 0 [pid 5488] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5487] <... close_range resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5490] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5487] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5492 attached [pid 5489] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5491] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5490] <... openat resumed>) = 3 [pid 5488] <... openat resumed>) = 3 [pid 5492] set_robust_list(0x5555735f3660, 24 [pid 5490] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5487] <... openat resumed>) = 3 [pid 5490] <... ioctl resumed>) = 0 [pid 5492] <... set_robust_list resumed>) = 0 [pid 5489] <... openat resumed>) = 3 [pid 5491] <... openat resumed>) = 3 [pid 5490] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5488] read(3, [pid 5487] read(3, [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5492 [pid 5492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5489] read(3, [pid 5491] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5490] <... openat resumed>) = 5 [pid 5488] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5487] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5492] <... prctl resumed>) = 0 [pid 5492] setpgid(0, 0 [pid 5489] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nsyz-exec"..., 8224) = 135 [pid 5491] <... ioctl resumed>) = 0 [pid 5488] exit_group(0 [pid 5487] exit_group(0 [pid 5492] <... setpgid resumed>) = 0 [pid 5489] exit_group(0 [pid 5490] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5489] <... exit_group resumed>) = ? [pid 5491] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5488] <... exit_group resumed>) = ? [pid 5492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5490] <... ioctl resumed>) = 0 [pid 5487] <... exit_group resumed>) = ? [pid 5490] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5492] <... openat resumed>) = 3 [pid 5489] +++ exited with 0 +++ [pid 5490] <... ioctl resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5490] poll([{fd=7, events=0}], 1, 0 [pid 5492] write(3, "1000", 4 [pid 5491] <... openat resumed>) = 5 [pid 5490] <... poll resumed>) = 0 (Timeout) [pid 5492] <... write resumed>) = 4 [pid 5490] close_range(3, 4294967295, 0 [pid 5492] close(3 [pid 5491] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5492] <... close resumed>) = 0 [pid 5491] <... ioctl resumed>) = 0 [pid 5490] <... close_range resumed>) = 0 [pid 5487] +++ exited with 0 +++ [pid 5491] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5491] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5488] +++ exited with 0 +++ [pid 5491] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5493 attached [pid 5492] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5490] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5492] <... openat resumed>) = 3 [pid 5491] <... close_range resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5488, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5491] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5493 [pid 5491] <... openat resumed>) = 3 [pid 5105] <... restart_syscall resumed>) = 0 [pid 5490] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5493] set_robust_list(0x5555735f3660, 24 [pid 5492] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5491] read(3, [pid 5490] read(3, [pid 5493] <... set_robust_list resumed>) = 0 [pid 5492] <... ioctl resumed>) = 0 [pid 5491] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5490] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5494 attached [pid 5493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5492] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5491] exit_group(0 [pid 5490] exit_group(0 [pid 5494] set_robust_list(0x5555735f3660, 24 [pid 5493] <... prctl resumed>) = 0 [pid 5492] <... openat resumed>) = 5 [pid 5491] <... exit_group resumed>) = ? [pid 5490] <... exit_group resumed>) = ? [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5494 ./strace-static-x86_64: Process 5495 attached [pid 5494] <... set_robust_list resumed>) = 0 [pid 5493] setpgid(0, 0 [pid 5492] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5491] +++ exited with 0 +++ [pid 5490] +++ exited with 0 +++ [pid 5495] set_robust_list(0x5555735f3660, 24 [pid 5494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5493] <... setpgid resumed>) = 0 [pid 5492] <... ioctl resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5495] <... set_robust_list resumed>) = 0 [pid 5494] <... prctl resumed>) = 0 [pid 5493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5492] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5495 [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5494] setpgid(0, 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5495] <... prctl resumed>) = 0 [pid 5494] <... setpgid resumed>) = 0 [pid 5493] <... openat resumed>) = 3 [pid 5492] <... ioctl resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5495] setpgid(0, 0 [pid 5493] write(3, "1000", 4 [pid 5492] poll([{fd=7, events=0}], 1, 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5495] <... setpgid resumed>) = 0 [pid 5494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5493] <... write resumed>) = 4 [pid 5492] <... poll resumed>) = 0 (Timeout) [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5496 attached [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5493] close(3 [pid 5492] close_range(3, 4294967295, 0 [pid 5496] set_robust_list(0x5555735f3660, 24 [pid 5495] <... openat resumed>) = 3 [pid 5494] <... openat resumed>) = 3 [pid 5493] <... close resumed>) = 0 [pid 5492] <... close_range resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5496 ./strace-static-x86_64: Process 5497 attached [pid 5493] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5492] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5497] set_robust_list(0x5555735f3660, 24 [pid 5496] <... set_robust_list resumed>) = 0 [pid 5495] write(3, "1000", 4 [pid 5494] write(3, "1000", 4 [pid 5493] <... openat resumed>) = 3 [pid 5492] <... openat resumed>) = 3 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5497 [pid 5497] <... set_robust_list resumed>) = 0 [pid 5496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5495] <... write resumed>) = 4 [pid 5494] <... write resumed>) = 4 [pid 5493] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5496] <... prctl resumed>) = 0 [pid 5495] close(3 [pid 5494] close(3 [pid 5492] read(3, [pid 5497] <... prctl resumed>) = 0 [pid 5496] setpgid(0, 0 [pid 5495] <... close resumed>) = 0 [pid 5494] <... close resumed>) = 0 [pid 5493] <... ioctl resumed>) = 0 [pid 5492] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5497] setpgid(0, 0 [pid 5496] <... setpgid resumed>) = 0 [pid 5495] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5494] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5493] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5497] <... setpgid resumed>) = 0 [pid 5496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5495] <... openat resumed>) = 3 [pid 5494] <... openat resumed>) = 3 [pid 5492] exit_group(0 [pid 5497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5493] <... openat resumed>) = 5 [pid 5495] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5497] <... openat resumed>) = 3 [pid 5496] <... openat resumed>) = 3 [pid 5495] <... ioctl resumed>) = 0 [pid 5494] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5493] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5492] <... exit_group resumed>) = ? [pid 5497] write(3, "1000", 4 [pid 5496] write(3, "1000", 4 [pid 5495] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5494] <... ioctl resumed>) = 0 [pid 5493] <... ioctl resumed>) = 0 [pid 5493] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5497] <... write resumed>) = 4 [pid 5496] <... write resumed>) = 4 [pid 5495] <... openat resumed>) = 5 [pid 5494] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5493] <... ioctl resumed>) = 0 [pid 5493] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5493] close_range(3, 4294967295, 0 [pid 5497] close(3 [pid 5496] close(3 [pid 5495] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5494] <... openat resumed>) = 5 [pid 5492] +++ exited with 0 +++ [pid 5496] <... close resumed>) = 0 [pid 5495] <... ioctl resumed>) = 0 [pid 5494] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5493] <... close_range resumed>) = 0 [pid 5497] <... close resumed>) = 0 [pid 5493] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5492, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5497] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5495] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5494] <... ioctl resumed>) = 0 [pid 5493] <... openat resumed>) = 3 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5493] read(3, [pid 5497] <... openat resumed>) = 3 [pid 5496] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5495] <... ioctl resumed>) = 0 [pid 5494] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] <... restart_syscall resumed>) = 0 [pid 5497] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5494] <... ioctl resumed>) = 0 [pid 5493] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 254 [pid 5493] exit_group(0 [pid 5497] <... ioctl resumed>) = 0 [pid 5496] <... openat resumed>) = 3 [pid 5495] poll([{fd=7, events=0}], 1, 0 [pid 5494] poll([{fd=7, events=0}], 1, 0 [pid 5493] <... exit_group resumed>) = ? [pid 5497] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5496] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5495] <... poll resumed>) = 0 (Timeout) [pid 5494] <... poll resumed>) = 0 (Timeout) [pid 5497] <... openat resumed>) = 5 [pid 5495] close_range(3, 4294967295, 0 [pid 5494] close_range(3, 4294967295, 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5497] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5496] <... ioctl resumed>) = 0 [pid 5495] <... close_range resumed>) = 0 [pid 5494] <... close_range resumed>) = 0 [pid 5493] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5497] <... ioctl resumed>) = 0 [pid 5496] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5497] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5495] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5494] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5496] <... openat resumed>) = 5 [pid 5495] <... openat resumed>) = 3 [pid 5494] <... openat resumed>) = 3 [pid 5497] <... ioctl resumed>) = 0 [pid 5497] poll([{fd=7, events=0}], 1, 0 [pid 5495] read(3, [pid 5494] read(3, [pid 5496] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5498 attached [pid 5497] <... poll resumed>) = 0 (Timeout) [pid 5495] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5498] set_robust_list(0x5555735f3660, 24 [pid 5497] close_range(3, 4294967295, 0 [pid 5494] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5498] <... set_robust_list resumed>) = 0 [pid 5496] <... ioctl resumed>) = 0 [pid 5498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5498 [pid 5497] <... close_range resumed>) = 0 [pid 5498] <... prctl resumed>) = 0 [pid 5495] exit_group(0 [pid 5498] setpgid(0, 0 [pid 5494] exit_group(0 [pid 5498] <... setpgid resumed>) = 0 [pid 5496] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5497] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5495] <... exit_group resumed>) = ? [pid 5494] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5499 attached [pid 5498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5499] set_robust_list(0x5555735f3660, 24 [pid 5497] <... openat resumed>) = 3 [pid 5496] <... ioctl resumed>) = 0 [pid 5495] +++ exited with 0 +++ [pid 5494] +++ exited with 0 +++ [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5499 [pid 5499] <... set_robust_list resumed>) = 0 [pid 5498] write(3, "1000", 4 [pid 5497] read(3, [pid 5496] poll([{fd=7, events=0}], 1, 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5495, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5498] <... write resumed>) = 4 [pid 5497] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5496] <... poll resumed>) = 0 (Timeout) [pid 5499] <... prctl resumed>) = 0 [pid 5498] close(3 [pid 5497] exit_group(0 [pid 5496] close_range(3, 4294967295, 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5499] setpgid(0, 0 [pid 5498] <... close resumed>) = 0 [pid 5496] <... close_range resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5499] <... setpgid resumed>) = 0 [pid 5497] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5500 attached [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5498] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5497] +++ exited with 0 +++ [pid 5496] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5501 attached [pid 5498] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5497, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5501] set_robust_list(0x5555735f3660, 24 [pid 5498] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5501 [pid 5501] <... set_robust_list resumed>) = 0 [pid 5501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5499] <... openat resumed>) = 3 [pid 5498] <... ioctl resumed>) = 0 [pid 5496] <... openat resumed>) = 3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5500 [pid 5500] set_robust_list(0x5555735f3660, 24 [pid 5499] write(3, "1000", 4 [pid 5501] <... prctl resumed>) = 0 [pid 5501] setpgid(0, 0 [pid 5500] <... set_robust_list resumed>) = 0 [pid 5499] <... write resumed>) = 4 [pid 5496] read(3, [pid 5501] <... setpgid resumed>) = 0 [pid 5498] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5499] close(3 [pid 5498] <... openat resumed>) = 5 [pid 5496] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5500] <... prctl resumed>) = 0 [pid 5499] <... close resumed>) = 0 [pid 5501] <... openat resumed>) = 3 [pid 5501] write(3, "1000", 4) = 4 [pid 5501] close(3) = 0 [pid 5501] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5498] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5502 attached [pid 5501] <... openat resumed>) = 3 [pid 5500] setpgid(0, 0 [pid 5499] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5498] <... ioctl resumed>) = 0 [pid 5496] exit_group(0 [pid 5501] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5500] <... setpgid resumed>) = 0 [pid 5496] <... exit_group resumed>) = ? [pid 5502] set_robust_list(0x5555735f3660, 24 [pid 5501] <... ioctl resumed>) = 0 [pid 5499] <... openat resumed>) = 3 [pid 5498] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5502 [pid 5498] <... ioctl resumed>) = 0 [pid 5501] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5498] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5498] close_range(3, 4294967295, 0 [pid 5502] <... set_robust_list resumed>) = 0 [pid 5501] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5499] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5496] +++ exited with 0 +++ [pid 5502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] <... ioctl resumed>) = 0 [pid 5499] <... ioctl resumed>) = 0 [pid 5498] <... close_range resumed>) = 0 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5500] <... openat resumed>) = 3 [pid 5501] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5500] write(3, "1000", 4 [pid 5498] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5502] <... prctl resumed>) = 0 [pid 5501] <... ioctl resumed>) = 0 [pid 5499] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5502] setpgid(0, 0 [pid 5501] poll([{fd=7, events=0}], 1, 0 [pid 5500] <... write resumed>) = 4 [pid 5499] <... openat resumed>) = 5 [pid 5498] <... openat resumed>) = 3 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5502] <... setpgid resumed>) = 0 [pid 5501] <... poll resumed>) = 0 (Timeout) [pid 5500] close(3 [pid 5502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5501] close_range(3, 4294967295, 0 [pid 5499] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5498] read(3, [pid 5500] <... close resumed>) = 0 [pid 5500] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5501] <... close_range resumed>) = 0 ./strace-static-x86_64: Process 5503 attached [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5503 [pid 5501] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5503] set_robust_list(0x5555735f3660, 24 [pid 5501] <... openat resumed>) = 3 [pid 5500] <... openat resumed>) = 3 [pid 5499] <... ioctl resumed>) = 0 [pid 5498] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5503] <... set_robust_list resumed>) = 0 [pid 5501] read(3, [pid 5500] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5499] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5498] exit_group(0 [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5501] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5500] <... ioctl resumed>) = 0 [pid 5499] <... ioctl resumed>) = 0 [pid 5498] <... exit_group resumed>) = ? [pid 5503] <... prctl resumed>) = 0 [pid 5502] <... openat resumed>) = 3 [pid 5501] exit_group(0 [pid 5503] setpgid(0, 0) = 0 [pid 5501] <... exit_group resumed>) = ? [pid 5502] write(3, "1000", 4 [pid 5501] +++ exited with 0 +++ [pid 5500] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5499] poll([{fd=7, events=0}], 1, 0 [pid 5498] +++ exited with 0 +++ [pid 5502] <... write resumed>) = 4 [pid 5499] <... poll resumed>) = 0 (Timeout) [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5498, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5501, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5502] close(3 [pid 5500] <... openat resumed>) = 5 [pid 5499] close_range(3, 4294967295, 0 [pid 5502] <... close resumed>) = 0 [pid 5499] <... close_range resumed>) = 0 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5500] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5502] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5502] <... openat resumed>) = 3 [pid 5500] <... ioctl resumed>) = 0 [pid 5503] <... openat resumed>) = 3 [pid 5499] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5500] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5502] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5504 attached [pid 5503] write(3, "1000", 4 [pid 5502] <... ioctl resumed>) = 0 [pid 5500] <... ioctl resumed>) = 0 [pid 5499] <... openat resumed>) = 3 [pid 5504] set_robust_list(0x5555735f3660, 24 [pid 5503] <... write resumed>) = 4 [pid 5502] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5500] poll([{fd=7, events=0}], 1, 0 [pid 5499] read(3, ./strace-static-x86_64: Process 5505 attached [pid 5504] <... set_robust_list resumed>) = 0 [pid 5503] close(3 [pid 5502] <... openat resumed>) = 5 [pid 5500] <... poll resumed>) = 0 (Timeout) [pid 5499] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5504 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5505 [pid 5505] set_robust_list(0x5555735f3660, 24 [pid 5504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5503] <... close resumed>) = 0 [pid 5500] close_range(3, 4294967295, 0 [pid 5499] exit_group(0 [pid 5505] <... set_robust_list resumed>) = 0 [pid 5504] <... prctl resumed>) = 0 [pid 5503] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5502] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5500] <... close_range resumed>) = 0 [pid 5499] <... exit_group resumed>) = ? [pid 5505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5504] setpgid(0, 0 [pid 5503] <... openat resumed>) = 3 [pid 5505] <... prctl resumed>) = 0 [pid 5504] <... setpgid resumed>) = 0 [pid 5505] setpgid(0, 0 [pid 5504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5502] <... ioctl resumed>) = 0 [pid 5500] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5505] <... setpgid resumed>) = 0 [pid 5505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5504] <... openat resumed>) = 3 [pid 5505] <... openat resumed>) = 3 [pid 5499] +++ exited with 0 +++ [pid 5502] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5504] write(3, "1000", 4) = 4 [pid 5500] <... openat resumed>) = 3 [pid 5505] write(3, "1000", 4 [pid 5504] close(3 [pid 5502] <... ioctl resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5505] <... write resumed>) = 4 [pid 5504] <... close resumed>) = 0 [pid 5505] close(3 [pid 5504] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5505] <... close resumed>) = 0 [pid 5505] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5503] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5502] poll([{fd=7, events=0}], 1, 0 [pid 5500] read(3, [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5504] <... openat resumed>) = 3 [pid 5505] <... openat resumed>) = 3 [pid 5504] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5503] <... ioctl resumed>) = 0 [pid 5505] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5504] <... ioctl resumed>) = 0 [pid 5503] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5502] <... poll resumed>) = 0 (Timeout) [pid 5500] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 230 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5505] <... ioctl resumed>) = 0 [pid 5504] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5503] <... openat resumed>) = 5 [pid 5502] close_range(3, 4294967295, 0 [pid 5505] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5504] <... openat resumed>) = 5 [pid 5500] exit_group(0 [pid 5503] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5505] <... openat resumed>) = 5 [pid 5504] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5500] <... exit_group resumed>) = ? [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5504] <... ioctl resumed>) = 0 [pid 5505] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5504] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5503] <... ioctl resumed>) = 0 [pid 5505] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5504] <... ioctl resumed>) = 0 [pid 5503] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5502] <... close_range resumed>) = 0 [pid 5505] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5505] close_range(3, 4294967295, 0) = 0 [pid 5504] poll([{fd=7, events=0}], 1, 0 [pid 5503] <... ioctl resumed>) = 0 [pid 5502] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5506 attached [pid 5505] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5504] <... poll resumed>) = 0 (Timeout) [pid 5503] poll([{fd=7, events=0}], 1, 0 [pid 5502] <... openat resumed>) = 3 [pid 5506] set_robust_list(0x5555735f3660, 24 [pid 5505] <... openat resumed>) = 3 [pid 5504] close_range(3, 4294967295, 0 [pid 5503] <... poll resumed>) = 0 (Timeout) [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5506 [pid 5506] <... set_robust_list resumed>) = 0 [pid 5506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5504] <... close_range resumed>) = 0 [pid 5503] close_range(3, 4294967295, 0 [pid 5502] read(3, [pid 5506] <... prctl resumed>) = 0 [pid 5505] read(3, [pid 5504] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5506] setpgid(0, 0 [pid 5505] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence error@114.905730564: 2147483647 / 0\n\nsyz-executor286"..., 8224) = 165 [pid 5503] <... close_range resumed>) = 0 [pid 5506] <... setpgid resumed>) = 0 [pid 5505] exit_group(0 [pid 5504] <... openat resumed>) = 3 [pid 5502] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5504] read(3, [pid 5503] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5500] +++ exited with 0 +++ [pid 5506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5505] <... exit_group resumed>) = ? [pid 5504] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5502] exit_group(0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5506] <... openat resumed>) = 3 [pid 5503] <... openat resumed>) = 3 [pid 5504] exit_group(0 [pid 5503] read(3, [pid 5502] <... exit_group resumed>) = ? [pid 5506] write(3, "1000", 4) = 4 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5506] close(3 [pid 5504] <... exit_group resumed>) = ? [pid 5503] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5506] <... close resumed>) = 0 [pid 5503] exit_group(0 [pid 5506] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5505] +++ exited with 0 +++ [pid 5503] <... exit_group resumed>) = ? [pid 5502] +++ exited with 0 +++ ./strace-static-x86_64: Process 5507 attached [pid 5506] <... openat resumed>) = 3 [pid 5504] +++ exited with 0 +++ [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5507 [pid 5507] set_robust_list(0x5555735f3660, 24 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5507] <... set_robust_list resumed>) = 0 [pid 5506] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5503] +++ exited with 0 +++ [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5506] <... ioctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5506] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] <... restart_syscall resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5509 attached ./strace-static-x86_64: Process 5508 attached [pid 5507] <... prctl resumed>) = 0 [pid 5506] <... openat resumed>) = 5 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5508 ./strace-static-x86_64: Process 5510 attached [pid 5509] set_robust_list(0x5555735f3660, 24 [pid 5508] set_robust_list(0x5555735f3660, 24 [pid 5507] setpgid(0, 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5509 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5509] <... set_robust_list resumed>) = 0 [pid 5508] <... set_robust_list resumed>) = 0 [pid 5507] <... setpgid resumed>) = 0 [pid 5506] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5510] set_robust_list(0x5555735f3660, 24 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5510 [pid 5510] <... set_robust_list resumed>) = 0 [pid 5510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] <... prctl resumed>) = 0 [pid 5510] setpgid(0, 0 [pid 5506] <... ioctl resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5510] <... setpgid resumed>) = 0 [pid 5510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 5511 attached [pid 5509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5507] <... openat resumed>) = 3 [pid 5506] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5511] set_robust_list(0x5555735f3660, 24 [pid 5510] write(3, "1000", 4 [pid 5511] <... set_robust_list resumed>) = 0 [pid 5510] <... write resumed>) = 4 [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5510] close(3 [pid 5509] <... prctl resumed>) = 0 [pid 5508] <... prctl resumed>) = 0 [pid 5507] write(3, "1000", 4 [pid 5506] <... ioctl resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5511 [pid 5511] <... prctl resumed>) = 0 [pid 5510] <... close resumed>) = 0 [pid 5508] setpgid(0, 0 [pid 5507] <... write resumed>) = 4 [pid 5506] poll([{fd=7, events=0}], 1, 0 [pid 5511] setpgid(0, 0 [pid 5510] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5509] setpgid(0, 0 [pid 5511] <... setpgid resumed>) = 0 [pid 5510] <... openat resumed>) = 3 [pid 5509] <... setpgid resumed>) = 0 [pid 5508] <... setpgid resumed>) = 0 [pid 5507] close(3 [pid 5506] <... poll resumed>) = 0 (Timeout) [pid 5507] <... close resumed>) = 0 [pid 5506] close_range(3, 4294967295, 0 [pid 5507] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5506] <... close_range resumed>) = 0 [pid 5508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5507] <... openat resumed>) = 3 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5506] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5511] <... openat resumed>) = 3 [pid 5510] <... ioctl resumed>) = 0 [pid 5508] <... openat resumed>) = 3 [pid 5507] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5511] write(3, "1000", 4 [pid 5510] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5509] <... openat resumed>) = 3 [pid 5511] <... write resumed>) = 4 [pid 5510] <... openat resumed>) = 5 [pid 5509] write(3, "1000", 4 [pid 5508] write(3, "1000", 4 [pid 5507] <... ioctl resumed>) = 0 [pid 5506] <... openat resumed>) = 3 [pid 5511] close(3 [pid 5510] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5509] <... write resumed>) = 4 [pid 5508] <... write resumed>) = 4 [pid 5507] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5506] read(3, [pid 5511] <... close resumed>) = 0 [pid 5510] <... ioctl resumed>) = 0 [pid 5509] close(3 [pid 5508] close(3 [pid 5507] <... openat resumed>) = 5 [pid 5511] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5509] <... close resumed>) = 0 [pid 5508] <... close resumed>) = 0 [pid 5506] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5511] <... openat resumed>) = 3 [pid 5510] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5509] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5508] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5507] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5511] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5510] <... ioctl resumed>) = 0 [pid 5511] <... ioctl resumed>) = 0 [pid 5509] <... openat resumed>) = 3 [pid 5507] <... ioctl resumed>) = 0 [pid 5506] exit_group(0 [pid 5510] poll([{fd=7, events=0}], 1, 0 [pid 5511] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5510] <... poll resumed>) = 0 (Timeout) [pid 5509] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5507] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5506] <... exit_group resumed>) = ? [pid 5510] close_range(3, 4294967295, 0 [pid 5511] <... openat resumed>) = 5 [pid 5510] <... close_range resumed>) = 0 [pid 5509] <... ioctl resumed>) = 0 [pid 5507] <... ioctl resumed>) = 0 [pid 5511] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5510] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5509] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5510] <... openat resumed>) = 3 [pid 5509] <... openat resumed>) = 5 [pid 5511] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5506] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5511] <... ioctl resumed>) = 0 [pid 5510] read(3, [pid 5509] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5511] poll([{fd=7, events=0}], 1, 0 [pid 5510] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 305 [pid 5509] <... ioctl resumed>) = 0 [pid 5508] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5511] <... poll resumed>) = 0 (Timeout) [pid 5511] close_range(3, 4294967295, 0 [pid 5510] exit_group(0 [pid 5509] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5508] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5507] poll([{fd=7, events=0}], 1, 0 [pid 5511] <... close_range resumed>) = 0 [pid 5507] <... poll resumed>) = 0 (Timeout) [pid 5507] close_range(3, 4294967295, 0) = 0 [pid 5511] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5507] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5512 attached [pid 5511] <... openat resumed>) = 3 [pid 5510] <... exit_group resumed>) = ? [pid 5509] <... ioctl resumed>) = 0 [pid 5508] <... ioctl resumed>) = 0 [pid 5507] <... openat resumed>) = 3 [pid 5512] set_robust_list(0x5555735f3660, 24 [pid 5511] read(3, [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5512 [pid 5512] <... set_robust_list resumed>) = 0 [pid 5511] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5511] exit_group(0 [pid 5512] <... prctl resumed>) = 0 [pid 5507] read(3, [pid 5512] setpgid(0, 0 [pid 5511] <... exit_group resumed>) = ? [pid 5508] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5512] <... setpgid resumed>) = 0 [pid 5509] poll([{fd=7, events=0}], 1, 0 [pid 5507] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5510] +++ exited with 0 +++ [pid 5509] <... poll resumed>) = 0 (Timeout) [pid 5508] <... openat resumed>) = 5 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5509] close_range(3, 4294967295, 0 [pid 5508] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5507] exit_group(0 [pid 5512] <... openat resumed>) = 3 [pid 5509] <... close_range resumed>) = 0 [pid 5507] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5508] <... ioctl resumed>) = 0 [pid 5512] write(3, "1000", 4) = 4 [pid 5512] close(3) = 0 [pid 5512] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5507] +++ exited with 0 +++ [pid 5512] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5511] +++ exited with 0 +++ [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5512] <... ioctl resumed>) = 0 [pid 5105] restart_syscall(<... resuming interrupted clone ...> [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5512] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] <... restart_syscall resumed>) = 0 [pid 5512] <... openat resumed>) = 5 [pid 5509] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5508] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5513 attached [pid 5512] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5509] <... openat resumed>) = 3 [pid 5508] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5509] read(3, [pid 5508] poll([{fd=7, events=0}], 1, 0 [pid 5509] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 210 [pid 5508] <... poll resumed>) = 0 (Timeout) [pid 5509] exit_group(0 [pid 5508] close_range(3, 4294967295, 0./strace-static-x86_64: Process 5514 attached ) = 0 [pid 5513] set_robust_list(0x5555735f3660, 24 [pid 5512] <... ioctl resumed>) = 0 [pid 5509] <... exit_group resumed>) = ? [pid 5508] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5514 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5513 ./strace-static-x86_64: Process 5515 attached [pid 5514] set_robust_list(0x5555735f3660, 24 [pid 5515] set_robust_list(0x5555735f3660, 24 [pid 5514] <... set_robust_list resumed>) = 0 [pid 5515] <... set_robust_list resumed>) = 0 [pid 5514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5515 [pid 5514] <... prctl resumed>) = 0 [pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5514] setpgid(0, 0 [pid 5509] +++ exited with 0 +++ [pid 5513] <... set_robust_list resumed>) = 0 [pid 5514] <... setpgid resumed>) = 0 [pid 5513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5512] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5508] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5515] <... prctl resumed>) = 0 [pid 5514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5515] setpgid(0, 0 [pid 5512] <... ioctl resumed>) = 0 [pid 5515] <... setpgid resumed>) = 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5513] <... prctl resumed>) = 0 [pid 5512] poll([{fd=7, events=0}], 1, 0 [pid 5508] read(3, [pid 5514] <... openat resumed>) = 3 [pid 5513] setpgid(0, 0 [pid 5514] write(3, "1000", 4 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5515] <... openat resumed>) = 3 [pid 5514] <... write resumed>) = 4 [pid 5513] <... setpgid resumed>) = 0 [pid 5512] <... poll resumed>) = 0 (Timeout) [pid 5508] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5515] write(3, "1000", 4 [pid 5514] close(3 [pid 5513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5512] close_range(3, 4294967295, 0 [pid 5508] exit_group(0./strace-static-x86_64: Process 5516 attached [pid 5515] <... write resumed>) = 4 [pid 5514] <... close resumed>) = 0 [pid 5513] <... openat resumed>) = 3 [pid 5512] <... close_range resumed>) = 0 [pid 5508] <... exit_group resumed>) = ? [pid 5516] set_robust_list(0x5555735f3660, 24 [pid 5515] close(3 [pid 5514] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5513] write(3, "1000", 4 [pid 5512] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5516 [pid 5515] <... close resumed>) = 0 [pid 5515] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5514] <... openat resumed>) = 3 [pid 5513] <... write resumed>) = 4 [pid 5512] <... openat resumed>) = 3 [pid 5516] <... set_robust_list resumed>) = 0 [pid 5515] <... openat resumed>) = 3 [pid 5514] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5513] close(3 [pid 5512] read(3, [pid 5516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5515] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5514] <... ioctl resumed>) = 0 [pid 5513] <... close resumed>) = 0 [pid 5515] <... ioctl resumed>) = 0 [pid 5513] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5515] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5514] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5513] <... openat resumed>) = 3 [pid 5515] <... openat resumed>) = 5 [pid 5514] <... openat resumed>) = 5 [pid 5515] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5514] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5513] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5515] <... ioctl resumed>) = 0 [pid 5514] <... ioctl resumed>) = 0 [pid 5513] <... ioctl resumed>) = 0 [pid 5515] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5516] <... prctl resumed>) = 0 [pid 5515] <... ioctl resumed>) = 0 [pid 5508] +++ exited with 0 +++ [pid 5512] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 285 [pid 5516] setpgid(0, 0 [pid 5512] exit_group(0 [pid 5516] <... setpgid resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5508, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5512] <... exit_group resumed>) = ? [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5515] poll([{fd=7, events=0}], 1, 0 [pid 5516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5515] <... poll resumed>) = 0 (Timeout) [pid 5515] close_range(3, 4294967295, 0 [pid 5513] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5095] <... restart_syscall resumed>) = 0 [pid 5515] <... close_range resumed>) = 0 [pid 5514] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5513] <... openat resumed>) = 5 [pid 5516] <... openat resumed>) = 3 [pid 5514] <... ioctl resumed>) = 0 [pid 5513] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5515] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5516] write(3, "1000", 4 [pid 5515] <... openat resumed>) = 3 [pid 5514] poll([{fd=7, events=0}], 1, 0 [pid 5513] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5512] +++ exited with 0 +++ [pid 5516] <... write resumed>) = 4 [pid 5515] read(3, [pid 5514] <... poll resumed>) = 0 (Timeout) [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5516] close(3 [pid 5515] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5514] close_range(3, 4294967295, 0 [pid 5513] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5517 attached [pid 5516] <... close resumed>) = 0 [pid 5516] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5515] exit_group(0 [pid 5516] <... openat resumed>) = 3 [pid 5516] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5517] set_robust_list(0x5555735f3660, 24 [pid 5516] <... ioctl resumed>) = 0 [pid 5513] poll([{fd=7, events=0}], 1, 0 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5517 [pid 5516] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5517] <... set_robust_list resumed>) = 0 [pid 5516] <... openat resumed>) = 5 [pid 5515] <... exit_group resumed>) = ? [pid 5514] <... close_range resumed>) = 0 [pid 5513] <... poll resumed>) = 0 (Timeout) [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5516] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5513] close_range(3, 4294967295, 0 [pid 5516] ioctl(6, SYNC_IOC_MERGE, 0x20000000./strace-static-x86_64: Process 5518 attached [pid 5517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5515] +++ exited with 0 +++ [pid 5514] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5513] <... close_range resumed>) = 0 [pid 5518] set_robust_list(0x5555735f3660, 24 [pid 5517] <... prctl resumed>) = 0 [pid 5516] <... ioctl resumed>) = 0 [pid 5518] <... set_robust_list resumed>) = 0 [pid 5516] poll([{fd=7, events=0}], 1, 0 [pid 5514] <... openat resumed>) = 3 [pid 5513] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5518 [pid 5518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5517] setpgid(0, 0 [pid 5516] <... poll resumed>) = 0 (Timeout) [pid 5513] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5518] <... prctl resumed>) = 0 [pid 5517] <... setpgid resumed>) = 0 [pid 5516] close_range(3, 4294967295, 0 [pid 5514] read(3, [pid 5516] <... close_range resumed>) = 0 [pid 5513] read(3, [pid 5518] setpgid(0, 0 [pid 5513] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5518] <... setpgid resumed>) = 0 [pid 5517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5513] exit_group(0 [pid 5518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5516] <... openat resumed>) = 3 [pid 5514] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5513] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5519 attached [pid 5518] <... openat resumed>) = 3 [pid 5517] <... openat resumed>) = 3 [pid 5516] read(3, [pid 5514] exit_group(0 [pid 5513] +++ exited with 0 +++ [pid 5516] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5517] write(3, "1000", 4) = 4 [pid 5514] <... exit_group resumed>) = ? [pid 5519] set_robust_list(0x5555735f3660, 24 [pid 5518] write(3, "1000", 4 [pid 5516] exit_group(0 [pid 5517] close(3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5519 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5519] <... set_robust_list resumed>) = 0 [pid 5518] <... write resumed>) = 4 [pid 5517] <... close resumed>) = 0 [pid 5516] <... exit_group resumed>) = ? [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5518] close(3 [pid 5517] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5514] +++ exited with 0 +++ [pid 5516] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5520 attached [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5520 [pid 5520] set_robust_list(0x5555735f3660, 24 [pid 5517] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5520] <... set_robust_list resumed>) = 0 [pid 5519] <... prctl resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5520] setpgid(0, 0 [pid 5518] <... close resumed>) = 0 [pid 5519] setpgid(0, 0 [pid 5520] <... setpgid resumed>) = 0 [pid 5520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5518] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5519] <... setpgid resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5520] <... openat resumed>) = 3 [pid 5517] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5520] write(3, "1000", 4./strace-static-x86_64: Process 5522 attached ./strace-static-x86_64: Process 5521 attached [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5518] <... openat resumed>) = 3 [pid 5517] <... ioctl resumed>) = 0 [pid 5521] set_robust_list(0x5555735f3660, 24 [pid 5520] <... write resumed>) = 4 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5521 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5522 [pid 5521] <... set_robust_list resumed>) = 0 [pid 5520] close(3 [pid 5521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5520] <... close resumed>) = 0 [pid 5522] set_robust_list(0x5555735f3660, 24 [pid 5520] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5518] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5517] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5521] <... prctl resumed>) = 0 [pid 5520] <... openat resumed>) = 3 [pid 5517] <... openat resumed>) = 5 [pid 5519] <... openat resumed>) = 3 [pid 5522] <... set_robust_list resumed>) = 0 [pid 5521] setpgid(0, 0 [pid 5519] write(3, "1000", 4 [pid 5518] <... ioctl resumed>) = 0 [pid 5517] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5521] <... setpgid resumed>) = 0 [pid 5520] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5522] <... prctl resumed>) = 0 [pid 5521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5520] <... ioctl resumed>) = 0 [pid 5519] <... write resumed>) = 4 [pid 5518] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5517] <... ioctl resumed>) = 0 [pid 5522] setpgid(0, 0 [pid 5519] close(3 [pid 5522] <... setpgid resumed>) = 0 [pid 5521] <... openat resumed>) = 3 [pid 5520] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5519] <... close resumed>) = 0 [pid 5518] <... openat resumed>) = 5 [pid 5517] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5519] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5520] <... openat resumed>) = 5 [pid 5517] <... ioctl resumed>) = 0 [pid 5521] write(3, "1000", 4 [pid 5522] <... openat resumed>) = 3 [pid 5521] <... write resumed>) = 4 [pid 5520] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5519] <... openat resumed>) = 3 [pid 5518] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5517] poll([{fd=7, events=0}], 1, 0 [pid 5521] close(3 [pid 5520] <... ioctl resumed>) = 0 [pid 5521] <... close resumed>) = 0 [pid 5522] write(3, "1000", 4 [pid 5520] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5519] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5518] <... ioctl resumed>) = 0 [pid 5517] <... poll resumed>) = 0 (Timeout) [pid 5521] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5517] close_range(3, 4294967295, 0 [pid 5522] <... write resumed>) = 4 [pid 5519] <... ioctl resumed>) = 0 [pid 5518] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5521] <... openat resumed>) = 3 [pid 5522] close(3 [pid 5517] <... close_range resumed>) = 0 [pid 5522] <... close resumed>) = 0 [pid 5521] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5518] <... ioctl resumed>) = 0 [pid 5522] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5521] <... ioctl resumed>) = 0 [pid 5520] <... ioctl resumed>) = 0 [pid 5519] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5521] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5518] poll([{fd=7, events=0}], 1, 0 [pid 5517] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5520] poll([{fd=7, events=0}], 1, 0 [pid 5522] <... openat resumed>) = 3 [pid 5521] <... openat resumed>) = 5 [pid 5518] <... poll resumed>) = 0 (Timeout) [pid 5519] <... openat resumed>) = 5 [pid 5517] <... openat resumed>) = 3 [pid 5518] close_range(3, 4294967295, 0 [pid 5521] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5520] <... poll resumed>) = 0 (Timeout) [pid 5519] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5521] <... ioctl resumed>) = 0 [pid 5520] close_range(3, 4294967295, 0 [pid 5521] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5518] <... close_range resumed>) = 0 [pid 5519] <... ioctl resumed>) = 0 [pid 5522] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5521] poll([{fd=7, events=0}], 1, 0 [pid 5522] <... ioctl resumed>) = 0 [pid 5520] <... close_range resumed>) = 0 [pid 5519] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5518] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5517] read(3, [pid 5522] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5521] <... poll resumed>) = 0 (Timeout) [pid 5520] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5519] <... ioctl resumed>) = 0 [pid 5518] <... openat resumed>) = 3 [pid 5521] close_range(3, 4294967295, 0 [pid 5517] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 285 [pid 5522] <... openat resumed>) = 5 [pid 5522] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5520] <... openat resumed>) = 3 [pid 5517] exit_group(0 [pid 5522] <... ioctl resumed>) = 0 [pid 5519] poll([{fd=7, events=0}], 1, 0 [pid 5521] <... close_range resumed>) = 0 [pid 5520] read(3, [pid 5519] <... poll resumed>) = 0 (Timeout) [pid 5518] read(3, [pid 5522] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5517] <... exit_group resumed>) = ? [pid 5521] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5519] close_range(3, 4294967295, 0 [pid 5518] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5522] <... ioctl resumed>) = 0 [pid 5521] <... openat resumed>) = 3 [pid 5520] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5519] <... close_range resumed>) = 0 [pid 5518] exit_group(0 [pid 5521] read(3, [pid 5519] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5518] <... exit_group resumed>) = ? [pid 5522] poll([{fd=7, events=0}], 1, 0 [pid 5521] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5520] exit_group(0 [pid 5519] <... openat resumed>) = 3 [pid 5517] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5522] <... poll resumed>) = 0 (Timeout) [pid 5521] exit_group(0 [pid 5520] <... exit_group resumed>) = ? [pid 5522] close_range(3, 4294967295, 0 [pid 5521] <... exit_group resumed>) = ? [pid 5519] read(3, [pid 5518] +++ exited with 0 +++ [pid 5522] <... close_range resumed>) = 0 [pid 5519] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5518, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5522] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5521] +++ exited with 0 +++ [pid 5520] +++ exited with 0 +++ [pid 5519] exit_group(0 [pid 5522] read(3, [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5522] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5522] exit_group(0) = ? [pid 5519] <... exit_group resumed>) = ? [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5524 attached ./strace-static-x86_64: Process 5523 attached [pid 5522] +++ exited with 0 +++ [pid 5519] +++ exited with 0 +++ [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5524] set_robust_list(0x5555735f3660, 24 [pid 5523] set_robust_list(0x5555735f3660, 24 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5524 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5523 [pid 5524] <... set_robust_list resumed>) = 0 [pid 5523] <... set_robust_list resumed>) = 0 [pid 5524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] <... prctl resumed>) = 0 [pid 5523] <... prctl resumed>) = 0 [pid 5524] setpgid(0, 0 [pid 5523] setpgid(0, 0 [pid 5524] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5525 attached [pid 5523] <... setpgid resumed>) = 0 [pid 5525] set_robust_list(0x5555735f3660, 24 [pid 5524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5519, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5525 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] <... set_robust_list resumed>) = 0 [pid 5524] <... openat resumed>) = 3 [pid 5523] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5526 attached [pid 5524] write(3, "1000", 4) = 4 [pid 5524] close(3) = 0 ./strace-static-x86_64: Process 5528 attached ./strace-static-x86_64: Process 5527 attached [pid 5526] set_robust_list(0x5555735f3660, 24 [pid 5525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5524] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5523] write(3, "1000", 4 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5526 [pid 5527] set_robust_list(0x5555735f3660, 24 [pid 5526] <... set_robust_list resumed>) = 0 [pid 5528] set_robust_list(0x5555735f3660, 24 [pid 5527] <... set_robust_list resumed>) = 0 [pid 5526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5525] <... prctl resumed>) = 0 [pid 5523] <... write resumed>) = 4 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5527 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5528 [pid 5526] <... prctl resumed>) = 0 [pid 5528] <... set_robust_list resumed>) = 0 [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5526] setpgid(0, 0 [pid 5525] setpgid(0, 0 [pid 5524] <... openat resumed>) = 3 [pid 5523] close(3 [pid 5527] <... prctl resumed>) = 0 [pid 5526] <... setpgid resumed>) = 0 [pid 5525] <... setpgid resumed>) = 0 [pid 5524] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5523] <... close resumed>) = 0 [pid 5528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] setpgid(0, 0 [pid 5526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5524] <... ioctl resumed>) = 0 [pid 5528] <... prctl resumed>) = 0 [pid 5527] <... setpgid resumed>) = 0 [pid 5525] <... openat resumed>) = 3 [pid 5524] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5523] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5526] <... openat resumed>) = 3 [pid 5526] write(3, "1000", 4 [pid 5528] setpgid(0, 0 [pid 5526] <... write resumed>) = 4 [pid 5528] <... setpgid resumed>) = 0 [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5526] close(3 [pid 5525] write(3, "1000", 4 [pid 5523] <... openat resumed>) = 3 [pid 5526] <... close resumed>) = 0 [pid 5525] <... write resumed>) = 4 [pid 5524] <... openat resumed>) = 5 [pid 5525] close(3 [pid 5524] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5523] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5527] <... openat resumed>) = 3 [pid 5526] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5525] <... close resumed>) = 0 [pid 5524] <... ioctl resumed>) = 0 [pid 5523] <... ioctl resumed>) = 0 [pid 5525] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5524] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5525] <... openat resumed>) = 3 [pid 5524] <... ioctl resumed>) = 0 [pid 5523] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5527] write(3, "1000", 4 [pid 5526] <... openat resumed>) = 3 [pid 5525] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5523] <... openat resumed>) = 5 [pid 5527] <... write resumed>) = 4 [pid 5526] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5524] poll([{fd=7, events=0}], 1, 0 [pid 5527] close(3 [pid 5525] <... ioctl resumed>) = 0 [pid 5524] <... poll resumed>) = 0 (Timeout) [pid 5523] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5527] <... close resumed>) = 0 [pid 5526] <... ioctl resumed>) = 0 [pid 5525] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5524] close_range(3, 4294967295, 0 [pid 5523] <... ioctl resumed>) = 0 [pid 5528] <... openat resumed>) = 3 [pid 5527] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5526] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5525] <... openat resumed>) = 5 [pid 5524] <... close_range resumed>) = 0 [pid 5523] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5528] write(3, "1000", 4 [pid 5527] <... openat resumed>) = 3 [pid 5526] <... openat resumed>) = 5 [pid 5525] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5526] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5524] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5528] <... write resumed>) = 4 [pid 5527] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5528] close(3) = 0 [pid 5528] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5528] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5524] <... openat resumed>) = 3 [pid 5523] <... ioctl resumed>) = 0 [pid 5528] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 5 [pid 5525] <... ioctl resumed>) = 0 [pid 5527] <... ioctl resumed>) = 0 [pid 5526] <... ioctl resumed>) = 0 [pid 5527] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5526] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5524] read(3, [pid 5523] poll([{fd=7, events=0}], 1, 0 [pid 5525] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5523] <... poll resumed>) = 0 (Timeout) [pid 5528] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5527] <... openat resumed>) = 5 [pid 5524] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 451 [pid 5523] close_range(3, 4294967295, 0 [pid 5528] ioctl(6, SYNC_IOC_MERGE, 0x20000000) = 0 [pid 5528] poll([{fd=7, events=0}], 1, 0 [pid 5527] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5526] <... ioctl resumed>) = 0 [pid 5525] <... ioctl resumed>) = 0 [pid 5524] exit_group(0 [pid 5523] <... close_range resumed>) = 0 [pid 5526] poll([{fd=7, events=0}], 1, 0 [pid 5524] <... exit_group resumed>) = ? [pid 5526] <... poll resumed>) = 0 (Timeout) [pid 5525] poll([{fd=7, events=0}], 1, 0 [pid 5528] <... poll resumed>) = 0 (Timeout) [pid 5527] <... ioctl resumed>) = 0 [pid 5526] close_range(3, 4294967295, 0 [pid 5524] +++ exited with 0 +++ [pid 5523] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5528] close_range(3, 4294967295, 0 [pid 5527] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5526] <... close_range resumed>) = 0 [pid 5525] <... poll resumed>) = 0 (Timeout) [pid 5523] <... openat resumed>) = 3 [pid 5528] <... close_range resumed>) = 0 [pid 5527] <... ioctl resumed>) = 0 [pid 5526] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5525] close_range(3, 4294967295, 0 [pid 5523] read(3, [pid 5528] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5526] <... openat resumed>) = 3 [pid 5525] <... close_range resumed>) = 0 [pid 5523] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5526] read(3, [pid 5527] poll([{fd=7, events=0}], 1, 0 [pid 5526] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5523] exit_group(0 [pid 5526] exit_group(0 [pid 5525] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5527] <... poll resumed>) = 0 (Timeout) [pid 5528] <... openat resumed>) = 3 [pid 5527] close_range(3, 4294967295, 0 [pid 5526] <... exit_group resumed>) = ? [pid 5525] <... openat resumed>) = 3 [pid 5523] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5529 attached [pid 5528] read(3, [pid 5527] <... close_range resumed>) = 0 [pid 5529] set_robust_list(0x5555735f3660, 24 [pid 5528] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5529] <... set_robust_list resumed>) = 0 [pid 5528] exit_group(0 [pid 5527] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5527] <... openat resumed>) = 3 [pid 5526] +++ exited with 0 +++ [pid 5525] read(3, [pid 5529] <... prctl resumed>) = 0 [pid 5528] <... exit_group resumed>) = ? [pid 5527] read(3, [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5529 [pid 5525] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5523] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5526, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5529] setpgid(0, 0 [pid 5527] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5525] exit_group(0) = ? [pid 5529] <... setpgid resumed>) = 0 [pid 5528] +++ exited with 0 +++ [pid 5527] exit_group(0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5525] +++ exited with 0 +++ [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ./strace-static-x86_64: Process 5530 attached [pid 5529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5527] <... exit_group resumed>) = ? [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5530 [pid 5530] set_robust_list(0x5555735f3660, 24 [pid 5529] <... openat resumed>) = 3 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5530] <... set_robust_list resumed>) = 0 [pid 5527] +++ exited with 0 +++ [pid 5529] write(3, "1000", 4 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5529] <... write resumed>) = 4 [pid 5529] close(3 [pid 5530] <... prctl resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5530] setpgid(0, 0 [pid 5529] <... close resumed>) = 0 [pid 5529] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5530] <... setpgid resumed>) = 0 [pid 5529] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5531 [pid 5529] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5531 attached [pid 5530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5529] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5532 attached [pid 5530] <... openat resumed>) = 3 [pid 5529] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5531] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5532 ./strace-static-x86_64: Process 5534 attached [pid 5531] <... set_robust_list resumed>) = 0 [pid 5530] write(3, "1000", 4 [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5530] <... write resumed>) = 4 [pid 5529] <... ioctl resumed>) = 0 [pid 5534] set_robust_list(0x5555735f3660, 24 [pid 5532] set_robust_list(0x5555735f3660, 24 [pid 5531] <... prctl resumed>) = 0 [pid 5530] close(3 [pid 5529] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5534 ./strace-static-x86_64: Process 5533 attached [pid 5534] <... set_robust_list resumed>) = 0 [pid 5532] <... set_robust_list resumed>) = 0 [pid 5531] setpgid(0, 0 [pid 5530] <... close resumed>) = 0 [pid 5529] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5533 [pid 5532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5529] poll([{fd=7, events=0}], 1, 0 [pid 5533] set_robust_list(0x5555735f3660, 24 [pid 5534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5532] <... prctl resumed>) = 0 [pid 5529] <... poll resumed>) = 0 (Timeout) [pid 5532] setpgid(0, 0 [pid 5531] <... setpgid resumed>) = 0 [pid 5530] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5529] close_range(3, 4294967295, 0 [pid 5532] <... setpgid resumed>) = 0 [pid 5533] <... set_robust_list resumed>) = 0 [pid 5534] <... prctl resumed>) = 0 [pid 5532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5529] <... close_range resumed>) = 0 [pid 5530] <... openat resumed>) = 3 [pid 5533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] setpgid(0, 0 [pid 5533] <... prctl resumed>) = 0 [pid 5534] <... setpgid resumed>) = 0 [pid 5530] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5529] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5531] <... openat resumed>) = 3 [pid 5531] write(3, "1000", 4 [pid 5529] <... openat resumed>) = 3 [pid 5533] setpgid(0, 0 [pid 5534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5532] <... openat resumed>) = 3 [pid 5531] <... write resumed>) = 4 [pid 5530] <... ioctl resumed>) = 0 [pid 5533] <... setpgid resumed>) = 0 [pid 5532] write(3, "1000", 4 [pid 5531] close(3 [pid 5529] read(3, [pid 5532] <... write resumed>) = 4 [pid 5529] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nfences:\n--------------\n", 8224) = 95 [pid 5534] <... openat resumed>) = 3 [pid 5532] close(3 [pid 5531] <... close resumed>) = 0 [pid 5529] exit_group(0 [pid 5533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5532] <... close resumed>) = 0 [pid 5532] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5529] <... exit_group resumed>) = ? [pid 5531] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5530] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5533] <... openat resumed>) = 3 [pid 5530] <... openat resumed>) = 5 [pid 5533] write(3, "1000", 4 [pid 5534] write(3, "1000", 4 [pid 5532] <... openat resumed>) = 3 [pid 5531] <... openat resumed>) = 3 [pid 5530] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5533] <... write resumed>) = 4 [pid 5534] <... write resumed>) = 4 [pid 5533] close(3 [pid 5534] close(3 [pid 5532] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5533] <... close resumed>) = 0 [pid 5534] <... close resumed>) = 0 [pid 5532] <... ioctl resumed>) = 0 [pid 5531] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5530] <... ioctl resumed>) = 0 [pid 5534] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5531] <... ioctl resumed>) = 0 [pid 5529] +++ exited with 0 +++ [pid 5533] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5534] <... openat resumed>) = 3 [pid 5532] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5531] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5530] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5533] <... openat resumed>) = 3 [pid 5532] <... openat resumed>) = 5 [pid 5531] <... openat resumed>) = 5 [pid 5530] <... ioctl resumed>) = 0 [pid 5534] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5533] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5534] <... ioctl resumed>) = 0 [pid 5532] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5531] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5533] <... ioctl resumed>) = 0 [pid 5531] <... ioctl resumed>) = 0 [pid 5530] poll([{fd=7, events=0}], 1, 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5533] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5534] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5532] <... ioctl resumed>) = 0 [pid 5531] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5530] <... poll resumed>) = 0 (Timeout) [pid 5533] <... openat resumed>) = 5 [pid 5534] <... openat resumed>) = 5 [pid 5532] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5531] <... ioctl resumed>) = 0 [pid 5530] close_range(3, 4294967295, 0 [pid 5532] <... ioctl resumed>) = 0 [pid 5530] <... close_range resumed>) = 0 [pid 5533] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5534] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5533] <... ioctl resumed>) = 0 [pid 5532] poll([{fd=7, events=0}], 1, 0 [pid 5531] poll([{fd=7, events=0}], 1, 0 [pid 5533] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5534] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5532] <... poll resumed>) = 0 (Timeout) [pid 5531] <... poll resumed>) = 0 (Timeout) [pid 5530] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5535 attached [pid 5533] <... ioctl resumed>) = 0 [pid 5534] <... ioctl resumed>) = 0 [pid 5532] close_range(3, 4294967295, 0 [pid 5531] close_range(3, 4294967295, 0 [pid 5530] <... openat resumed>) = 3 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5535 [pid 5535] set_robust_list(0x5555735f3660, 24 [pid 5533] poll([{fd=7, events=0}], 1, 0 [pid 5534] poll([{fd=7, events=0}], 1, 0 [pid 5532] <... close_range resumed>) = 0 [pid 5531] <... close_range resumed>) = 0 [pid 5530] read(3, [pid 5533] <... poll resumed>) = 0 (Timeout) [pid 5534] <... poll resumed>) = 0 (Timeout) [pid 5535] <... set_robust_list resumed>) = 0 [pid 5533] close_range(3, 4294967295, 0 [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5534] close_range(3, 4294967295, 0 [pid 5535] <... prctl resumed>) = 0 [pid 5533] <... close_range resumed>) = 0 [pid 5532] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5530] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5531] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5535] setpgid(0, 0) = 0 [pid 5533] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5533] <... openat resumed>) = 3 [pid 5532] <... openat resumed>) = 3 [pid 5534] <... close_range resumed>) = 0 [pid 5530] exit_group(0 [pid 5533] read(3, "objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5533] exit_group(0 [pid 5531] <... openat resumed>) = 3 [pid 5534] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5532] read(3, [pid 5530] <... exit_group resumed>) = ? [pid 5533] <... exit_group resumed>) = ? [pid 5533] +++ exited with 0 +++ [pid 5530] +++ exited with 0 +++ [pid 5532] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5534] <... openat resumed>) = 3 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5535] <... openat resumed>) = 3 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5535] write(3, "1000", 4 [pid 5534] read(3, [pid 5532] exit_group(0 [pid 5531] read(3, [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5535] <... write resumed>) = 4 [pid 5534] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5532] <... exit_group resumed>) = ? [pid 5531] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5535] close(3./strace-static-x86_64: Process 5536 attached [pid 5534] exit_group(0 [pid 5531] exit_group(0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5536 [pid 5535] <... close resumed>) = 0 [pid 5536] set_robust_list(0x5555735f3660, 24) = 0 [pid 5535] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5534] <... exit_group resumed>) = ? [pid 5531] <... exit_group resumed>) = ? [pid 5536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5535] <... openat resumed>) = 3 [pid 5536] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5537 attached [pid 5535] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5534] +++ exited with 0 +++ [pid 5532] +++ exited with 0 +++ [pid 5531] +++ exited with 0 +++ [pid 5537] set_robust_list(0x5555735f3660, 24 [pid 5536] setpgid(0, 0 [pid 5535] <... ioctl resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5537 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5531, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5537] <... set_robust_list resumed>) = 0 [pid 5536] <... setpgid resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5535] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5537] <... prctl resumed>) = 0 [pid 5535] <... openat resumed>) = 5 [pid 5537] setpgid(0, 0) = 0 [pid 5535] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5538 attached [pid 5537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5537] <... openat resumed>) = 3 [pid 5536] <... openat resumed>) = 3 [pid 5535] <... ioctl resumed>) = 0 [pid 5537] write(3, "1000", 4 [pid 5536] write(3, "1000", 4 [pid 5535] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5537] <... write resumed>) = 4 [pid 5536] <... write resumed>) = 4 [pid 5535] <... ioctl resumed>) = 0 [pid 5537] close(3 [pid 5536] close(3 [pid 5537] <... close resumed>) = 0 [pid 5536] <... close resumed>) = 0 [pid 5537] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5536] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5535] poll([{fd=7, events=0}], 1, 0) = 0 (Timeout) [pid 5537] <... openat resumed>) = 3 [pid 5535] close_range(3, 4294967295, 0 [pid 5536] <... openat resumed>) = 3 [pid 5535] <... close_range resumed>) = 0 [pid 5537] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5538] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5538 [pid 5538] <... set_robust_list resumed>) = 0 [pid 5537] <... ioctl resumed>) = 0 [pid 5536] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5535] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5539 attached ./strace-static-x86_64: Process 5540 attached [pid 5538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5537] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5536] <... ioctl resumed>) = 0 [pid 5535] <... openat resumed>) = 3 [pid 5539] set_robust_list(0x5555735f3660, 24 [pid 5540] set_robust_list(0x5555735f3660, 24 [pid 5538] <... prctl resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5540 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5539 [pid 5539] <... set_robust_list resumed>) = 0 [pid 5540] <... set_robust_list resumed>) = 0 [pid 5538] setpgid(0, 0 [pid 5537] <... openat resumed>) = 5 [pid 5536] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5535] read(3, [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5538] <... setpgid resumed>) = 0 [pid 5537] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5540] <... prctl resumed>) = 0 [pid 5538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5536] <... openat resumed>) = 5 [pid 5535] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 166 [pid 5539] <... prctl resumed>) = 0 [pid 5540] setpgid(0, 0 [pid 5537] <... ioctl resumed>) = 0 [pid 5536] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5535] exit_group(0 [pid 5539] setpgid(0, 0 [pid 5540] <... setpgid resumed>) = 0 [pid 5535] <... exit_group resumed>) = ? [pid 5537] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5536] <... ioctl resumed>) = 0 [pid 5538] <... openat resumed>) = 3 [pid 5539] <... setpgid resumed>) = 0 [pid 5540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5538] write(3, "1000", 4 [pid 5537] <... ioctl resumed>) = 0 [pid 5536] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5540] <... openat resumed>) = 3 [pid 5538] <... write resumed>) = 4 [pid 5537] poll([{fd=7, events=0}], 1, 0 [pid 5536] <... ioctl resumed>) = 0 [pid 5539] <... openat resumed>) = 3 [pid 5539] write(3, "1000", 4 [pid 5540] write(3, "1000", 4 [pid 5538] close(3 [pid 5537] <... poll resumed>) = 0 (Timeout) [pid 5536] poll([{fd=7, events=0}], 1, 0 [pid 5539] <... write resumed>) = 4 [pid 5540] <... write resumed>) = 4 [pid 5538] <... close resumed>) = 0 [pid 5537] close_range(3, 4294967295, 0 [pid 5536] <... poll resumed>) = 0 (Timeout) [pid 5539] close(3 [pid 5540] close(3 [pid 5539] <... close resumed>) = 0 [pid 5540] <... close resumed>) = 0 [pid 5537] <... close_range resumed>) = 0 [pid 5536] close_range(3, 4294967295, 0 [pid 5538] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5540] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5539] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5537] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5536] <... close_range resumed>) = 0 [pid 5538] <... openat resumed>) = 3 [pid 5539] <... openat resumed>) = 3 [pid 5540] <... openat resumed>) = 3 [pid 5537] <... openat resumed>) = 3 [pid 5536] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5539] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5538] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5536] <... openat resumed>) = 3 [pid 5535] +++ exited with 0 +++ [pid 5540] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5537] read(3, "objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147"..., 8224) = 135 [pid 5536] read(3, [pid 5537] exit_group(0 [pid 5536] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nsyz-executor286: 0\n\nsyz-executor286: 0\n fence active: 2147"..., 8224) = 135 [pid 5539] <... ioctl resumed>) = 0 [pid 5537] <... exit_group resumed>) = ? [pid 5539] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5540] <... ioctl resumed>) = 0 [pid 5538] <... ioctl resumed>) = 0 [pid 5537] +++ exited with 0 +++ [pid 5536] exit_group(0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5536] <... exit_group resumed>) = ? [pid 5539] <... openat resumed>) = 5 [pid 5540] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5538] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5541 attached [pid 5539] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5540] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5536] +++ exited with 0 +++ [pid 5538] <... openat resumed>) = 5 [pid 5541] set_robust_list(0x5555735f3660, 24 [pid 5539] <... ioctl resumed>) = 0 [pid 5540] <... ioctl resumed>) = 0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5541 [pid 5541] <... set_robust_list resumed>) = 0 [pid 5539] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5540] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5538] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5540] <... ioctl resumed>) = 0 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5538] <... ioctl resumed>) = 0 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5539] <... ioctl resumed>) = 0 [pid 5541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5539] poll([{fd=7, events=0}], 1, 0 [pid 5540] poll([{fd=7, events=0}], 1, 0 [pid 5538] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5541] <... prctl resumed>) = 0 [pid 5539] <... poll resumed>) = 0 (Timeout) [pid 5539] close_range(3, 4294967295, 0 [pid 5540] <... poll resumed>) = 0 (Timeout) [pid 5539] <... close_range resumed>) = 0 [pid 5540] close_range(3, 4294967295, 0 [pid 5538] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 5542 attached [pid 5541] setpgid(0, 0 [pid 5539] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5540] <... close_range resumed>) = 0 [pid 5538] poll([{fd=7, events=0}], 1, 0 [pid 5542] set_robust_list(0x5555735f3660, 24 [pid 5541] <... setpgid resumed>) = 0 [pid 5538] <... poll resumed>) = 0 (Timeout) [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5542 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5540] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5538] close_range(3, 4294967295, 0 [pid 5540] <... openat resumed>) = 3 [pid 5538] <... close_range resumed>) = 0 [pid 5542] <... set_robust_list resumed>) = 0 [pid 5541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5539] <... openat resumed>) = 3 [pid 5538] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5540] read(3, [pid 5538] <... openat resumed>) = 3 [pid 5542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5539] read(3, [pid 5540] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5540] exit_group(0) = ? ./strace-static-x86_64: Process 5543 attached [pid 5542] <... prctl resumed>) = 0 [pid 5541] <... openat resumed>) = 3 [pid 5539] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5538] read(3, [pid 5543] set_robust_list(0x5555735f3660, 24 [pid 5542] setpgid(0, 0 [pid 5543] <... set_robust_list resumed>) = 0 [pid 5542] <... setpgid resumed>) = 0 [pid 5539] exit_group(0 [pid 5540] +++ exited with 0 +++ [pid 5538] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5543 [pid 5541] write(3, "1000", 4 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5541] <... write resumed>) = 4 [pid 5541] close(3 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5541] <... close resumed>) = 0 [pid 5538] exit_group(0 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5541] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5543] <... prctl resumed>) = 0 [pid 5539] <... exit_group resumed>) = ? [pid 5538] <... exit_group resumed>) = ? [pid 5098] <... restart_syscall resumed>) = 0 [pid 5541] <... openat resumed>) = 3 [pid 5541] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080) = 0 [pid 5541] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5543] setpgid(0, 0 [pid 5542] <... openat resumed>) = 3 [pid 5539] +++ exited with 0 +++ [pid 5538] +++ exited with 0 +++ [pid 5543] <... setpgid resumed>) = 0 [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5538, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5096] <... restart_syscall resumed>) = 0 [pid 5095] <... restart_syscall resumed>) = 0 [pid 5541] <... openat resumed>) = 5 [pid 5542] write(3, "1000", 4) = 4 [pid 5541] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5543] <... openat resumed>) = 3 [pid 5542] close(3 [pid 5541] <... ioctl resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5544 attached [pid 5542] <... close resumed>) = 0 [pid 5541] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5544] set_robust_list(0x5555735f3660, 24 [pid 5542] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5541] <... ioctl resumed>) = 0 [pid 5544] <... set_robust_list resumed>) = 0 [pid 5544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5544] setpgid(0, 0) = 0 [pid 5544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5542] <... openat resumed>) = 3 [pid 5541] poll([{fd=7, events=0}], 1, 0 [pid 5543] write(3, "1000", 4 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5544 [pid 5544] write(3, "1000", 4) = 4 [pid 5544] close(3) = 0 [pid 5544] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5546 attached ) = 3 [pid 5543] <... write resumed>) = 4 [pid 5546] set_robust_list(0x5555735f3660, 24 [pid 5543] close(3 [pid 5541] <... poll resumed>) = 0 (Timeout) [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5546 ./strace-static-x86_64: Process 5545 attached [pid 5543] <... close resumed>) = 0 [pid 5541] close_range(3, 4294967295, 0 [pid 5542] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5545 [pid 5546] <... set_robust_list resumed>) = 0 [pid 5544] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5544] <... ioctl resumed>) = 0 [pid 5541] <... close_range resumed>) = 0 [pid 5542] <... ioctl resumed>) = 0 [pid 5546] <... prctl resumed>) = 0 [pid 5542] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5541] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5543] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5545] set_robust_list(0x5555735f3660, 24 [pid 5546] setpgid(0, 0 [pid 5544] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5542] <... openat resumed>) = 5 [pid 5545] <... set_robust_list resumed>) = 0 [pid 5546] <... setpgid resumed>) = 0 [pid 5544] <... openat resumed>) = 5 [pid 5543] <... openat resumed>) = 3 [pid 5542] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5541] <... openat resumed>) = 3 [pid 5545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5544] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5543] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5544] <... ioctl resumed>) = 0 [pid 5545] <... prctl resumed>) = 0 [pid 5546] <... openat resumed>) = 3 [pid 5543] <... ioctl resumed>) = 0 [pid 5542] <... ioctl resumed>) = 0 [pid 5541] read(3, [pid 5545] setpgid(0, 0 [pid 5544] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5543] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5542] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5545] <... setpgid resumed>) = 0 [pid 5544] <... ioctl resumed>) = 0 [pid 5543] <... openat resumed>) = 5 [pid 5541] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 285 [pid 5546] write(3, "1000", 4 [pid 5544] poll([{fd=7, events=0}], 1, 0 [pid 5543] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5546] <... write resumed>) = 4 [pid 5544] <... poll resumed>) = 0 (Timeout) [pid 5541] exit_group(0 [pid 5546] close(3 [pid 5544] close_range(3, 4294967295, 0 [pid 5543] <... ioctl resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5546] <... close resumed>) = 0 [pid 5544] <... close_range resumed>) = 0 [pid 5543] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5542] <... ioctl resumed>) = 0 [pid 5541] <... exit_group resumed>) = ? [pid 5546] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3 [pid 5544] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5543] <... ioctl resumed>) = 0 [pid 5546] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5542] poll([{fd=7, events=0}], 1, 0 [pid 5545] <... openat resumed>) = 3 [pid 5542] <... poll resumed>) = 0 (Timeout) [pid 5543] poll([{fd=7, events=0}], 1, 0 [pid 5542] close_range(3, 4294967295, 0 [pid 5543] <... poll resumed>) = 0 (Timeout) [pid 5546] <... ioctl resumed>) = 0 [pid 5544] read(3, [pid 5543] close_range(3, 4294967295, 0 [pid 5546] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5544] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 285 [pid 5546] <... openat resumed>) = 5 [pid 5544] exit_group(0 [pid 5542] <... close_range resumed>) = 0 [pid 5545] write(3, "1000", 4 [pid 5546] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5544] <... exit_group resumed>) = ? [pid 5545] <... write resumed>) = 4 [pid 5546] <... ioctl resumed>) = 0 [pid 5543] <... close_range resumed>) = 0 [pid 5542] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5541] +++ exited with 0 +++ [pid 5544] +++ exited with 0 +++ [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5541, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5545] close(3 [pid 5546] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5543] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5545] <... close resumed>) = 0 [pid 5542] <... openat resumed>) = 3 [pid 5546] <... ioctl resumed>) = 0 [pid 5543] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5545] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5546] poll([{fd=7, events=0}], 1, 0 [pid 5542] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 [pid 5546] <... poll resumed>) = 0 (Timeout) ./strace-static-x86_64: Process 5547 attached [pid 5545] <... openat resumed>) = 3 [pid 5546] close_range(3, 4294967295, 0 [pid 5543] read(3, [pid 5542] exit_group(0 [pid 5547] set_robust_list(0x5555735f3660, 24 [pid 5543] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 159 [pid 5542] <... exit_group resumed>) = ? [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5547 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5547] <... set_robust_list resumed>) = 0 [pid 5545] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5546] <... close_range resumed>) = 0 [pid 5543] exit_group(0 [pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5543] <... exit_group resumed>) = ? [pid 5545] <... ioctl resumed>) = 0 [pid 5547] <... prctl resumed>) = 0 [pid 5547] setpgid(0, 0) = 0 [pid 5545] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5546] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5548 attached [pid 5548] set_robust_list(0x5555735f3660, 24 [pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5545] <... openat resumed>) = 5 [pid 5546] <... openat resumed>) = 3 [pid 5542] +++ exited with 0 +++ [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5548 [pid 5548] <... set_robust_list resumed>) = 0 [pid 5546] read(3, [pid 5548] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5546] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 [pid 5548] <... prctl resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5548] setpgid(0, 0 [pid 5547] <... openat resumed>) = 3 [pid 5545] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5546] exit_group(0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5548] <... setpgid resumed>) = 0 [pid 5547] write(3, "1000", 4 [pid 5545] <... ioctl resumed>) = 0 [pid 5546] <... exit_group resumed>) = ? [pid 5543] +++ exited with 0 +++ ./strace-static-x86_64: Process 5549 attached [pid 5548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5547] <... write resumed>) = 4 [pid 5545] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5549] set_robust_list(0x5555735f3660, 24 [pid 5547] close(3 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5549 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5549] <... set_robust_list resumed>) = 0 [pid 5547] <... close resumed>) = 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5548] <... openat resumed>) = 3 [pid 5547] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5545] <... ioctl resumed>) = 0 [pid 5549] <... prctl resumed>) = 0 [pid 5547] <... openat resumed>) = 3 [pid 5549] setpgid(0, 0 [pid 5547] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5549] <... setpgid resumed>) = 0 [pid 5547] <... ioctl resumed>) = 0 [pid 5549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5547] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5550 attached [pid 5549] <... openat resumed>) = 3 [pid 5548] write(3, "1000", 4 [pid 5547] <... openat resumed>) = 5 [pid 5545] poll([{fd=7, events=0}], 1, 0 [pid 5550] set_robust_list(0x5555735f3660, 24 [pid 5548] <... write resumed>) = 4 [pid 5547] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5545] <... poll resumed>) = 0 (Timeout) [pid 5550] <... set_robust_list resumed>) = 0 [pid 5549] write(3, "1000", 4 [pid 5548] close(3 [pid 5547] <... ioctl resumed>) = 0 [pid 5545] close_range(3, 4294967295, 0 [pid 5546] +++ exited with 0 +++ [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5550 [pid 5550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5549] <... write resumed>) = 4 [pid 5548] <... close resumed>) = 0 [pid 5547] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5550] <... prctl resumed>) = 0 [pid 5549] close(3 [pid 5547] <... ioctl resumed>) = 0 [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5550] setpgid(0, 0 [pid 5549] <... close resumed>) = 0 [pid 5548] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5550] <... setpgid resumed>) = 0 [pid 5549] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5547] poll([{fd=7, events=0}], 1, 0 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5548] <... openat resumed>) = 3 [pid 5547] <... poll resumed>) = 0 (Timeout) [pid 5095] <... restart_syscall resumed>) = 0 [pid 5549] <... openat resumed>) = 3 [pid 5548] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5547] close_range(3, 4294967295, 0 [pid 5545] <... close_range resumed>) = 0 [pid 5550] <... openat resumed>) = 3 [pid 5548] <... ioctl resumed>) = 0 [pid 5545] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5550] write(3, "1000", 4 [pid 5549] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5548] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5547] <... close_range resumed>) = 0 [pid 5545] <... openat resumed>) = 3 [pid 5550] <... write resumed>) = 4 [pid 5549] <... ioctl resumed>) = 0 [pid 5548] <... openat resumed>) = 5 [pid 5549] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5545] read(3, [pid 5550] close(3 [pid 5547] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5550] <... close resumed>) = 0 [pid 5549] <... openat resumed>) = 5 [pid 5548] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5545] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 186 [pid 5548] <... ioctl resumed>) = 0 [pid 5548] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5545] exit_group(0 [pid 5547] <... openat resumed>) = 3 [pid 5550] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5549] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5548] <... ioctl resumed>) = 0 [pid 5547] read(3, [pid 5549] <... ioctl resumed>) = 0 [pid 5548] poll([{fd=7, events=0}], 1, 0 [pid 5545] <... exit_group resumed>) = ? [pid 5550] <... openat resumed>) = 3 [pid 5547] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 254 [pid 5550] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080./strace-static-x86_64: Process 5551 attached [pid 5549] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5548] <... poll resumed>) = 0 (Timeout) [pid 5547] exit_group(0 [pid 5545] +++ exited with 0 +++ [pid 5550] <... ioctl resumed>) = 0 [pid 5549] <... ioctl resumed>) = 0 [pid 5548] close_range(3, 4294967295, 0 [pid 5551] set_robust_list(0x5555735f3660, 24 [pid 5547] <... exit_group resumed>) = ? [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5551 [pid 5551] <... set_robust_list resumed>) = 0 [pid 5550] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5549] poll([{fd=7, events=0}], 1, 0 [pid 5548] <... close_range resumed>) = 0 [pid 5549] <... poll resumed>) = 0 (Timeout) [pid 5548] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5545, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5549] close_range(3, 4294967295, 0 [pid 5548] <... openat resumed>) = 3 [pid 5551] <... prctl resumed>) = 0 [pid 5550] <... openat resumed>) = 5 [pid 5549] <... close_range resumed>) = 0 [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5548] read(3, "objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n\nfences:\n"..., 8224) = 115 ./strace-static-x86_64: Process 5552 attached [pid 5551] setpgid(0, 0 [pid 5550] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5549] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5547] +++ exited with 0 +++ [pid 5548] exit_group(0 [pid 5552] set_robust_list(0x5555735f3660, 24 [pid 5551] <... setpgid resumed>) = 0 [pid 5550] <... ioctl resumed>) = 0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5547, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5552 [pid 5549] <... openat resumed>) = 3 [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5552] <... set_robust_list resumed>) = 0 [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5550] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5549] read(3, [pid 5548] <... exit_group resumed>) = ? [pid 5552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5550] <... ioctl resumed>) = 0 [pid 5549] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 139 ./strace-static-x86_64: Process 5553 attached [pid 5552] <... prctl resumed>) = 0 [pid 5551] <... openat resumed>) = 3 [pid 5550] poll([{fd=7, events=0}], 1, 0 [pid 5549] exit_group(0 [pid 5552] setpgid(0, 0) = 0 [pid 5553] set_robust_list(0x5555735f3660, 24 [pid 5552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5553 [pid 5553] <... set_robust_list resumed>) = 0 [pid 5550] <... poll resumed>) = 0 (Timeout) [pid 5550] close_range(3, 4294967295, 0 [pid 5549] <... exit_group resumed>) = ? [pid 5553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5551] write(3, "1000", 4 [pid 5550] <... close_range resumed>) = 0 [pid 5548] +++ exited with 0 +++ [pid 5553] <... prctl resumed>) = 0 [pid 5551] <... write resumed>) = 4 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5548, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5551] close(3 [pid 5550] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5553] setpgid(0, 0 [pid 5551] <... close resumed>) = 0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5553] <... setpgid resumed>) = 0 [pid 5552] <... openat resumed>) = 3 [pid 5551] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5550] <... openat resumed>) = 3 [pid 5552] write(3, "1000", 4 [pid 5550] read(3, [pid 5552] <... write resumed>) = 4 [pid 5550] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5552] close(3 [pid 5553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5552] <... close resumed>) = 0 [pid 5551] <... openat resumed>) = 3 [pid 5553] <... openat resumed>) = 3 [pid 5552] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5551] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5550] exit_group(0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5551] <... ioctl resumed>) = 0 [pid 5551] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5553] write(3, "1000", 4 [pid 5551] <... openat resumed>) = 5 [pid 5553] <... write resumed>) = 4 [pid 5553] close(3) = 0 [pid 5552] <... openat resumed>) = 3 [pid 5551] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5553] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5550] <... exit_group resumed>) = ? [pid 5549] +++ exited with 0 +++ [pid 5551] <... ioctl resumed>) = 0 [pid 5553] <... openat resumed>) = 3 [pid 5552] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5553] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5552] <... ioctl resumed>) = 0 [pid 5551] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5552] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5554 attached [pid 5553] <... ioctl resumed>) = 0 [pid 5552] <... openat resumed>) = 5 [pid 5551] <... ioctl resumed>) = 0 [pid 5554] set_robust_list(0x5555735f3660, 24 [pid 5552] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5554] <... set_robust_list resumed>) = 0 [pid 5551] poll([{fd=7, events=0}], 1, 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5554 [pid 5553] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5551] <... poll resumed>) = 0 (Timeout) [pid 5554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5553] <... openat resumed>) = 5 [pid 5552] <... ioctl resumed>) = 0 [pid 5551] close_range(3, 4294967295, 0 [pid 5554] <... prctl resumed>) = 0 [pid 5553] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5552] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5551] <... close_range resumed>) = 0 [pid 5553] <... ioctl resumed>) = 0 [pid 5554] setpgid(0, 0 [pid 5553] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5552] <... ioctl resumed>) = 0 [pid 5551] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5554] <... setpgid resumed>) = 0 [pid 5553] <... ioctl resumed>) = 0 [pid 5551] <... openat resumed>) = 3 [pid 5552] poll([{fd=7, events=0}], 1, 0 [pid 5554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5552] <... poll resumed>) = 0 (Timeout) [pid 5550] +++ exited with 0 +++ ./strace-static-x86_64: Process 5555 attached [pid 5553] poll([{fd=7, events=0}], 1, 0 [pid 5552] close_range(3, 4294967295, 0 [pid 5551] read(3, [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5550, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5553] <... poll resumed>) = 0 (Timeout) [pid 5551] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 234 [pid 5555] set_robust_list(0x5555735f3660, 24 [pid 5554] <... openat resumed>) = 3 [pid 5553] close_range(3, 4294967295, 0 [pid 5552] <... close_range resumed>) = 0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5555 [pid 5102] restart_syscall(<... resuming interrupted clone ...> [pid 5555] <... set_robust_list resumed>) = 0 [pid 5102] <... restart_syscall resumed>) = 0 [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] write(3, "1000", 4 [pid 5552] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5555] <... prctl resumed>) = 0 [pid 5554] <... write resumed>) = 4 [pid 5553] <... close_range resumed>) = 0 [pid 5551] exit_group(0 [pid 5552] <... openat resumed>) = 3 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5555] setpgid(0, 0 [pid 5554] close(3 [pid 5553] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5552] read(3, [pid 5551] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5556 attached [pid 5555] <... setpgid resumed>) = 0 [pid 5554] <... close resumed>) = 0 [pid 5553] <... openat resumed>) = 3 [pid 5552] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5556] set_robust_list(0x5555735f3660, 24 [pid 5554] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5553] read(3, [pid 5552] exit_group(0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5556 [pid 5551] +++ exited with 0 +++ [pid 5556] <... set_robust_list resumed>) = 0 [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5554] <... openat resumed>) = 3 [pid 5553] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5552] <... exit_group resumed>) = ? [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5555] <... openat resumed>) = 3 [pid 5554] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5553] exit_group(0 [pid 5556] setpgid(0, 0 [pid 5555] write(3, "1000", 4 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5553] <... exit_group resumed>) = ? [pid 5556] <... setpgid resumed>) = 0 [pid 5555] <... write resumed>) = 4 [pid 5554] <... ioctl resumed>) = 0 [pid 5553] +++ exited with 0 +++ [pid 5552] +++ exited with 0 +++ [pid 5556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5555] close(3 [pid 5554] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5553, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5552, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5555] <... close resumed>) = 0 [pid 5100] <... restart_syscall resumed>) = 0 [pid 5554] <... openat resumed>) = 5 [pid 5555] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5557 attached [pid 5556] <... openat resumed>) = 3 [pid 5557] set_robust_list(0x5555735f3660, 24 [pid 5555] <... openat resumed>) = 3 [pid 5557] <... set_robust_list resumed>) = 0 [pid 5556] write(3, "1000", 4 [pid 5555] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5554] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0./strace-static-x86_64: Process 5558 attached [pid 5557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5554] <... ioctl resumed>) = 0 [pid 5555] <... ioctl resumed>) = 0 [pid 5556] <... write resumed>) = 4 [pid 5554] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5558 [pid 5555] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5556] close(3 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5559 [pid 5556] <... close resumed>) = 0 ./strace-static-x86_64: Process 5559 attached [pid 5558] set_robust_list(0x5555735f3660, 24 [pid 5557] <... prctl resumed>) = 0 [pid 5559] set_robust_list(0x5555735f3660, 24 [pid 5558] <... set_robust_list resumed>) = 0 [pid 5557] setpgid(0, 0 [pid 5556] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5557 [pid 5559] <... set_robust_list resumed>) = 0 [pid 5558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5557] <... setpgid resumed>) = 0 [pid 5554] <... ioctl resumed>) = 0 [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5558] <... prctl resumed>) = 0 [pid 5557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5556] <... openat resumed>) = 3 [pid 5555] <... openat resumed>) = 5 [pid 5559] <... prctl resumed>) = 0 [pid 5558] setpgid(0, 0 [pid 5557] <... openat resumed>) = 3 [pid 5554] poll([{fd=7, events=0}], 1, 0 [pid 5559] setpgid(0, 0 [pid 5558] <... setpgid resumed>) = 0 [pid 5556] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5555] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5554] <... poll resumed>) = 0 (Timeout) [pid 5554] close_range(3, 4294967295, 0 [pid 5559] <... setpgid resumed>) = 0 [pid 5558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5557] write(3, "1000", 4 [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5557] <... write resumed>) = 4 [pid 5559] <... openat resumed>) = 3 [pid 5558] <... openat resumed>) = 3 [pid 5557] close(3 [pid 5556] <... ioctl resumed>) = 0 [pid 5555] <... ioctl resumed>) = 0 [pid 5554] <... close_range resumed>) = 0 [pid 5556] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5555] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5559] write(3, "1000", 4 [pid 5557] <... close resumed>) = 0 [pid 5559] <... write resumed>) = 4 [pid 5558] write(3, "1000", 4 [pid 5557] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5559] close(3 [pid 5558] <... write resumed>) = 4 [pid 5557] <... openat resumed>) = 3 [pid 5556] <... openat resumed>) = 5 [pid 5559] <... close resumed>) = 0 [pid 5558] close(3 [pid 5555] <... ioctl resumed>) = 0 [pid 5559] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5556] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5555] poll([{fd=7, events=0}], 1, 0 [pid 5554] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5559] <... openat resumed>) = 3 [pid 5558] <... close resumed>) = 0 [pid 5557] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5556] <... ioctl resumed>) = 0 [pid 5555] <... poll resumed>) = 0 (Timeout) [pid 5554] <... openat resumed>) = 3 [pid 5559] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5558] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5557] <... ioctl resumed>) = 0 [pid 5559] <... ioctl resumed>) = 0 [pid 5558] <... openat resumed>) = 3 [pid 5557] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5556] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5555] close_range(3, 4294967295, 0 [pid 5554] read(3, [pid 5559] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5558] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5557] <... openat resumed>) = 5 [pid 5554] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 356 [pid 5559] <... openat resumed>) = 5 [pid 5558] <... ioctl resumed>) = 0 [pid 5556] <... ioctl resumed>) = 0 [pid 5555] <... close_range resumed>) = 0 [pid 5557] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0) = 0 [pid 5559] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5558] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5559] <... ioctl resumed>) = 0 [pid 5558] <... openat resumed>) = 5 [pid 5557] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5556] poll([{fd=7, events=0}], 1, 0 [pid 5554] exit_group(0 [pid 5555] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5559] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5558] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5557] <... ioctl resumed>) = 0 [pid 5559] <... ioctl resumed>) = 0 [pid 5558] <... ioctl resumed>) = 0 [pid 5556] <... poll resumed>) = 0 (Timeout) [pid 5555] <... openat resumed>) = 3 [pid 5554] <... exit_group resumed>) = ? [pid 5556] close_range(3, 4294967295, 0 [pid 5559] poll([{fd=7, events=0}], 1, 0 [pid 5558] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5557] poll([{fd=7, events=0}], 1, 0 [pid 5559] <... poll resumed>) = 0 (Timeout) [pid 5558] <... ioctl resumed>) = 0 [pid 5557] <... poll resumed>) = 0 (Timeout) [pid 5559] close_range(3, 4294967295, 0) = 0 [pid 5557] close_range(3, 4294967295, 0 [pid 5558] poll([{fd=7, events=0}], 1, 0 [pid 5557] <... close_range resumed>) = 0 [pid 5558] <... poll resumed>) = 0 (Timeout) [pid 5558] close_range(3, 4294967295, 0) = 0 [pid 5559] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY) = 3 [pid 5557] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5558] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5557] <... openat resumed>) = 3 [pid 5559] read(3, [pid 5558] <... openat resumed>) = 3 [pid 5559] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5558] read(3, [pid 5557] read(3, [pid 5556] <... close_range resumed>) = 0 [pid 5555] read(3, [pid 5554] +++ exited with 0 +++ [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5559] exit_group(0 [pid 5558] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5557] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5556] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5555] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5098] restart_syscall(<... resuming interrupted clone ...> [pid 5559] <... exit_group resumed>) = ? [pid 5558] exit_group(0 [pid 5557] exit_group(0 [pid 5558] <... exit_group resumed>) = ? [pid 5557] <... exit_group resumed>) = ? [pid 5556] <... openat resumed>) = 3 [pid 5555] exit_group(0 [pid 5098] <... restart_syscall resumed>) = 0 [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5558] +++ exited with 0 +++ [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5557] +++ exited with 0 +++ [pid 5556] read(3, [pid 5559] +++ exited with 0 +++ [pid 5556] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 ./strace-static-x86_64: Process 5560 attached [pid 5556] exit_group(0 [pid 5555] <... exit_group resumed>) = ? [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5556] <... exit_group resumed>) = ? [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5560] set_robust_list(0x5555735f3660, 24 [pid 5556] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5100] <... restart_syscall resumed>) = 0 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5560 [pid 5096] restart_syscall(<... resuming interrupted clone ...> [pid 5560] <... set_robust_list resumed>) = 0 [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5556, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5096] <... restart_syscall resumed>) = 0 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 5561 attached [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5560] setpgid(0, 0 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5561 [pid 5560] <... setpgid resumed>) = 0 [pid 5560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5561] set_robust_list(0x5555735f3660, 24 [pid 5560] <... openat resumed>) = 3 [pid 5560] write(3, "1000", 4) = 4 [pid 5560] close(3) = 0 [pid 5560] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY./strace-static-x86_64: Process 5563 attached ./strace-static-x86_64: Process 5562 attached [pid 5561] <... set_robust_list resumed>) = 0 [pid 5560] <... openat resumed>) = 3 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5562] set_robust_list(0x5555735f3660, 24 [pid 5561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5562] <... set_robust_list resumed>) = 0 [pid 5560] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5563 [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5562 [pid 5562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5561] <... prctl resumed>) = 0 [pid 5561] setpgid(0, 0) = 0 [pid 5560] <... ioctl resumed>) = 0 [pid 5562] <... prctl resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5562] setpgid(0, 0 [pid 5560] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5562] <... setpgid resumed>) = 0 [pid 5560] <... openat resumed>) = 5 ./strace-static-x86_64: Process 5565 attached ./strace-static-x86_64: Process 5564 attached [pid 5563] set_robust_list(0x5555735f3660, 24 [pid 5564] set_robust_list(0x5555735f3660, 24 [pid 5563] <... set_robust_list resumed>) = 0 [pid 5562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5560] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5564 [pid 5565] set_robust_list(0x5555735f3660, 24 [pid 5564] <... set_robust_list resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5565 [pid 5565] <... set_robust_list resumed>) = 0 [pid 5564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5562] <... openat resumed>) = 3 [pid 5561] <... openat resumed>) = 3 [pid 5560] <... ioctl resumed>) = 0 [pid 5565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] <... prctl resumed>) = 0 [pid 5563] <... prctl resumed>) = 0 [pid 5562] write(3, "1000", 4 [pid 5561] write(3, "1000", 4 [pid 5565] <... prctl resumed>) = 0 [pid 5563] setpgid(0, 0 [pid 5564] setpgid(0, 0 [pid 5561] <... write resumed>) = 4 [pid 5562] <... write resumed>) = 4 [pid 5560] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5562] close(3 [pid 5560] <... ioctl resumed>) = 0 [pid 5562] <... close resumed>) = 0 [pid 5564] <... setpgid resumed>) = 0 [pid 5563] <... setpgid resumed>) = 0 [pid 5565] setpgid(0, 0 [pid 5562] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5561] close(3 [pid 5560] poll([{fd=7, events=0}], 1, 0 [pid 5565] <... setpgid resumed>) = 0 [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5562] <... openat resumed>) = 3 [pid 5561] <... close resumed>) = 0 [pid 5560] <... poll resumed>) = 0 (Timeout) [pid 5564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5561] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5562] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5560] close_range(3, 4294967295, 0 [pid 5565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5563] <... openat resumed>) = 3 [pid 5561] <... openat resumed>) = 3 [pid 5564] <... openat resumed>) = 3 [pid 5562] <... ioctl resumed>) = 0 [pid 5561] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5560] <... close_range resumed>) = 0 [pid 5562] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5565] <... openat resumed>) = 3 [pid 5562] <... openat resumed>) = 5 [pid 5560] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5563] write(3, "1000", 4) = 4 [pid 5562] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5561] <... ioctl resumed>) = 0 [pid 5560] <... openat resumed>) = 3 [pid 5565] write(3, "1000", 4 [pid 5564] write(3, "1000", 4 [pid 5563] close(3 [pid 5562] <... ioctl resumed>) = 0 [pid 5564] <... write resumed>) = 4 [pid 5563] <... close resumed>) = 0 [pid 5562] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5560] read(3, [pid 5565] <... write resumed>) = 4 [pid 5564] close(3 [pid 5563] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5562] <... ioctl resumed>) = 0 [pid 5561] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5560] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 190 [pid 5564] <... close resumed>) = 0 [pid 5562] poll([{fd=7, events=0}], 1, 0 [pid 5561] <... openat resumed>) = 5 [pid 5560] exit_group(0 [pid 5564] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5563] <... openat resumed>) = 3 [pid 5565] close(3 [pid 5562] <... poll resumed>) = 0 (Timeout) [pid 5561] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5560] <... exit_group resumed>) = ? [pid 5565] <... close resumed>) = 0 [pid 5564] <... openat resumed>) = 3 [pid 5563] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5562] close_range(3, 4294967295, 0 [pid 5561] <... ioctl resumed>) = 0 [pid 5565] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5564] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5563] <... ioctl resumed>) = 0 [pid 5562] <... close_range resumed>) = 0 [pid 5561] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5565] <... openat resumed>) = 3 [pid 5564] <... ioctl resumed>) = 0 [pid 5563] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5561] <... ioctl resumed>) = 0 [pid 5560] +++ exited with 0 +++ [pid 5562] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5565] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5564] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5563] <... openat resumed>) = 5 [pid 5561] poll([{fd=7, events=0}], 1, 0 [pid 5565] <... ioctl resumed>) = 0 [pid 5564] <... openat resumed>) = 5 [pid 5562] <... openat resumed>) = 3 [pid 5098] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5562] read(3, [pid 5561] <... poll resumed>) = 0 (Timeout) [pid 5098] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5565] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5564] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5563] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5561] close_range(3, 4294967295, 0) = 0 [pid 5561] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY./strace-static-x86_64: Process 5566 attached [pid 5565] <... openat resumed>) = 5 [pid 5564] <... ioctl resumed>) = 0 [pid 5563] <... ioctl resumed>) = 0 [pid 5562] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n fence active: 2147483647 / 0\n\nsyz-executor286: 0\n fence a"..., 8224) = 332 [pid 5564] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5098] <... clone resumed>, child_tidptr=0x5555735f3650) = 5566 [pid 5565] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5566] set_robust_list(0x5555735f3660, 24 [pid 5565] <... ioctl resumed>) = 0 [pid 5564] <... ioctl resumed>) = 0 [pid 5563] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5562] exit_group(0 [pid 5561] <... openat resumed>) = 3 [pid 5566] <... set_robust_list resumed>) = 0 [pid 5562] <... exit_group resumed>) = ? [pid 5566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5564] poll([{fd=7, events=0}], 1, 0 [pid 5563] <... ioctl resumed>) = 0 [pid 5565] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5564] <... poll resumed>) = 0 (Timeout) [pid 5565] <... ioctl resumed>) = 0 [pid 5564] close_range(3, 4294967295, 0 [pid 5566] <... prctl resumed>) = 0 [pid 5564] <... close_range resumed>) = 0 [pid 5563] poll([{fd=7, events=0}], 1, 0 [pid 5561] read(3, [pid 5565] poll([{fd=7, events=0}], 1, 0 [pid 5563] <... poll resumed>) = 0 (Timeout) [pid 5565] <... poll resumed>) = 0 (Timeout) [pid 5563] close_range(3, 4294967295, 0 [pid 5565] close_range(3, 4294967295, 0 [pid 5563] <... close_range resumed>) = 0 [pid 5565] <... close_range resumed>) = 0 [pid 5564] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5566] setpgid(0, 0 [pid 5564] <... openat resumed>) = 3 [pid 5562] +++ exited with 0 +++ [pid 5565] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5561] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5566] <... setpgid resumed>) = 0 [pid 5565] <... openat resumed>) = 3 [pid 5563] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5561] exit_group(0 [pid 5100] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5565] read(3, [pid 5564] read(3, [pid 5563] <... openat resumed>) = 3 [pid 5100] restart_syscall(<... resuming interrupted clone ...> [pid 5566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5565] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5564] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5561] <... exit_group resumed>) = ? [pid 5100] <... restart_syscall resumed>) = 0 [pid 5565] exit_group(0 [pid 5564] exit_group(0 [pid 5563] read(3, [pid 5566] <... openat resumed>) = 3 [pid 5565] <... exit_group resumed>) = ? [pid 5564] <... exit_group resumed>) = ? [pid 5563] <... read resumed>"objs:\n--------------\nfences:\n--------------\n", 8224) = 44 [pid 5566] write(3, "1000", 4 [pid 5565] +++ exited with 0 +++ [pid 5563] exit_group(0 [pid 5561] +++ exited with 0 +++ [pid 5566] <... write resumed>) = 4 [pid 5566] close(3) = 0 [pid 5564] +++ exited with 0 +++ [pid 5563] <... exit_group resumed>) = ? [pid 5100] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5096] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5566] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5105] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5095] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5561, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5566] <... openat resumed>) = 3 [pid 5095] restart_syscall(<... resuming interrupted clone ...> [pid 5566] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5105] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 5567 attached [pid 5566] <... ioctl resumed>) = 0 [pid 5563] +++ exited with 0 +++ [pid 5567] set_robust_list(0x5555735f3660, 24 [pid 5566] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5100] <... clone resumed>, child_tidptr=0x5555735f3650) = 5567 [pid 5095] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5568 attached [pid 5567] <... set_robust_list resumed>) = 0 [pid 5566] <... openat resumed>) = 5 [pid 5102] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5096] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5569 attached [pid 5568] set_robust_list(0x5555735f3660, 24 [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] ioctl(5, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x200000c0 [pid 5105] <... clone resumed>, child_tidptr=0x5555735f3650) = 5568 [pid 5102] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5568] <... set_robust_list resumed>) = 0 [pid 5567] <... prctl resumed>) = 0 [pid 5566] <... ioctl resumed>) = 0 [pid 5569] set_robust_list(0x5555735f3660, 24 [pid 5095] <... clone resumed>, child_tidptr=0x5555735f3650) = 5569 [pid 5569] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5570 attached [pid 5569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5567] setpgid(0, 0 [pid 5566] ioctl(6, SYNC_IOC_MERGE, 0x20000000 [pid 5570] set_robust_list(0x5555735f3660, 24 [pid 5569] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5571 attached [pid 5570] <... set_robust_list resumed>) = 0 [pid 5569] setpgid(0, 0 [pid 5568] <... prctl resumed>) = 0 [pid 5567] <... setpgid resumed>) = 0 [pid 5566] <... ioctl resumed>) = 0 [pid 5096] <... clone resumed>, child_tidptr=0x5555735f3650) = 5570 [pid 5571] set_robust_list(0x5555735f3660, 24 [pid 5570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5569] <... setpgid resumed>) = 0 [pid 5568] setpgid(0, 0 [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5571] <... set_robust_list resumed>) = 0 [pid 5570] <... prctl resumed>) = 0 [pid 5569] <... openat resumed>) = 3 [pid 5568] <... setpgid resumed>) = 0 [pid 5566] poll([{fd=7, events=0}], 1, 0 [pid 5102] <... clone resumed>, child_tidptr=0x5555735f3650) = 5571 [pid 5570] setpgid(0, 0 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5566] <... poll resumed>) = 0 (Timeout) [pid 5570] <... setpgid resumed>) = 0 [pid 5571] <... prctl resumed>) = 0 [pid 5569] write(3, "1000", 4 [pid 5568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5567] <... openat resumed>) = 3 [pid 5566] close_range(3, 4294967295, 0 [pid 5570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5566] <... close_range resumed>) = 0 [pid 5569] <... write resumed>) = 4 [pid 5568] <... openat resumed>) = 3 [pid 5571] setpgid(0, 0 [pid 5570] write(3, "1000", 4 [pid 5571] <... setpgid resumed>) = 0 [pid 5569] close(3 [pid 5568] write(3, "1000", 4 [pid 5567] write(3, "1000", 4 [pid 5566] openat(AT_FDCWD, "/sys/kernel/debug/sync/info", O_RDONLY [pid 5569] <... close resumed>) = 0 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5570] <... write resumed>) = 4 [pid 5569] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5568] <... write resumed>) = 4 [pid 5567] <... write resumed>) = 4 [pid 5566] <... openat resumed>) = 3 [pid 5570] close(3) = 0 [pid 5568] close(3 [pid 5567] close(3 [pid 5570] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5569] <... openat resumed>) = 3 [pid 5568] <... close resumed>) = 0 [pid 5567] <... close resumed>) = 0 [pid 5566] read(3, [pid 5571] <... openat resumed>) = 3 [pid 5571] write(3, "1000", 4 [pid 5570] <... openat resumed>) = 3 [pid 5569] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5568] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5567] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5566] <... read resumed>"objs:\n--------------\nsyz-executor286: 0\n\nfences:\n--------------\n", 8224) = 64 [pid 5571] <... write resumed>) = 4 [pid 5570] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5569] <... ioctl resumed>) = 0 [pid 5568] <... openat resumed>) = 3 [pid 5566] exit_group(0 [pid 5571] close(3) = 0 [pid 5570] <... ioctl resumed>) = 0 [pid 5567] <... openat resumed>) = 3 [pid 5571] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5568] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080 [pid 5566] <... exit_group resumed>) = ? [pid 5570] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5569] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY [pid 5567] ioctl(3, _IOC(_IOC_READ|_IOC_WRITE, 0x57, 0, 0x28), 0x20000080