./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3540452372
<...>
Warning: Permanently added '10.128.1.111' (ED25519) to the list of known hosts.
execve("./syz-executor3540452372", ["./syz-executor3540452372"], 0x7ffd386991e0 /* 10 vars */) = 0
brk(NULL) = 0x5555778dd000
brk(0x5555778ddd00) = 0x5555778ddd00
arch_prctl(ARCH_SET_FS, 0x5555778dd380) = 0
set_tid_address(0x5555778dd650) = 5826
set_robust_list(0x5555778dd660, 24) = 0
rseq(0x5555778ddca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3540452372", 4096) = 28
getrandom("\xc6\xd5\x18\xa6\x0c\xd2\x54\xac", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555778ddd00
brk(0x5555778fed00) = 0x5555778fed00
brk(0x5555778ff000) = 0x5555778ff000
mprotect(0x7f90cf6ad000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached
, child_tidptr=0x5555778dd650) = 5827
[pid 5827] set_robust_list(0x5555778dd660, 24) = 0
[pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5827] setpgid(0, 0) = 0
[pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5827] write(3, "1000", 4) = 4
[pid 5827] close(3) = 0
[pid 5827] write(1, "executing program\n", 18executing program
) = 18
[pid 5827] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5827] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5827] ioctl(3, LOOP_SET_FD, 4) = 0
[ 73.826591][ T5827]
[ 73.828976][ T5827] ======================================================
[ 73.836066][ T5827] WARNING: possible circular locking dependency detected
[ 73.843095][ T5827] 6.15.0-rc3-syzkaller-00283-gf1a3944c860b #0 Not tainted
[ 73.850181][ T5827] ------------------------------------------------------
[ 73.857184][ T5827] syz-executor354/5827 is trying to acquire lock:
[ 73.863586][ T5827] ffffffff8f657248 (uevent_sock_mutex){+.+.}-{4:4}, at: kobject_uevent_net_broadcast+0x27e/0x560
[ 73.874133][ T5827]
[ 73.874133][ T5827] but task is already holding lock:
[ 73.881496][ T5827] ffff888143fb27a8 (&q->q_usage_counter(io)#24){++++}-{0:0}, at: loop_set_status+0x225/0xaf0
[ 73.891672][ T5827]
[ 73.891672][ T5827] which lock already depends on the new lock.
[ 73.891672][ T5827]
[ 73.902056][ T5827]
[ 73.902056][ T5827] the existing dependency chain (in reverse order) is:
[ 73.911051][ T5827]
[ 73.911051][ T5827] -> #2 (&q->q_usage_counter(io)#24){++++}-{0:0}:
[ 73.919642][ T5827] lock_acquire+0x120/0x360
[ 73.924658][ T5827] blk_alloc_queue+0x538/0x620
[ 73.929929][ T5827] __blk_mq_alloc_disk+0x164/0x350
[ 73.935551][ T5827] loop_add+0x41d/0xae0
[ 73.940232][ T5827] loop_init+0x173/0x230
[ 73.944990][ T5827] do_one_initcall+0x233/0x820
[ 73.950269][ T5827] do_initcall_level+0x137/0x1f0
[ 73.955714][ T5827] do_initcalls+0x69/0xd0
[ 73.960551][ T5827] kernel_init_freeable+0x3d9/0x570
[ 73.966262][ T5827] kernel_init+0x1d/0x1d0
[ 73.971100][ T5827] ret_from_fork+0x4b/0x80
[ 73.976020][ T5827] ret_from_fork_asm+0x1a/0x30
[ 73.981286][ T5827]
[ 73.981286][ T5827] -> #1 (fs_reclaim){+.+.}-{0:0}:
[ 73.988482][ T5827] lock_acquire+0x120/0x360
[ 73.993492][ T5827] fs_reclaim_acquire+0x72/0x100
[ 73.998943][ T5827] kmem_cache_alloc_node_noprof+0x47/0x3c0
[ 74.005264][ T5827] __alloc_skb+0x112/0x2d0
[ 74.010186][ T5827] alloc_uevent_skb+0x7d/0x230
[ 74.015459][ T5827] kobject_uevent_net_broadcast+0x2fa/0x560
[ 74.021859][ T5827] kobject_uevent_env+0x55b/0x8c0
[ 74.027392][ T5827] kobject_synth_uevent+0x527/0xb00
[ 74.033116][ T5827] bus_uevent_store+0x115/0x170
[ 74.038475][ T5827] kernfs_fop_write_iter+0x375/0x4f0
[ 74.044264][ T5827] vfs_write+0x548/0xa90
[ 74.049013][ T5827] ksys_write+0x145/0x250
[ 74.053843][ T5827] do_syscall_64+0xf6/0x210
[ 74.058850][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.065250][ T5827]
[ 74.065250][ T5827] -> #0 (uevent_sock_mutex){+.+.}-{4:4}:
[ 74.073055][ T5827] validate_chain+0xb9b/0x2140
[ 74.078336][ T5827] __lock_acquire+0xaac/0xd20
[ 74.083520][ T5827] lock_acquire+0x120/0x360
[ 74.088529][ T5827] __mutex_lock+0x182/0xe80
[ 74.093536][ T5827] kobject_uevent_net_broadcast+0x27e/0x560
[ 74.099938][ T5827] kobject_uevent_env+0x55b/0x8c0
[ 74.105465][ T5827] loop_set_status+0x4d1/0xaf0
[ 74.110737][ T5827] lo_ioctl+0xb41/0x22e0
[ 74.115507][ T5827] blkdev_ioctl+0x5a5/0x6d0
[ 74.120548][ T5827] __se_sys_ioctl+0xf9/0x170
[ 74.125654][ T5827] do_syscall_64+0xf6/0x210
[ 74.130662][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.137060][ T5827]
[ 74.137060][ T5827] other info that might help us debug this:
[ 74.137060][ T5827]
[ 74.147273][ T5827] Chain exists of:
[ 74.147273][ T5827] uevent_sock_mutex --> fs_reclaim --> &q->q_usage_counter(io)#24
[ 74.147273][ T5827]
[ 74.160999][ T5827] Possible unsafe locking scenario:
[ 74.160999][ T5827]
[ 74.168430][ T5827] CPU0 CPU1
[ 74.173777][ T5827] ---- ----
[ 74.179124][ T5827] lock(&q->q_usage_counter(io)#24);
[ 74.184507][ T5827] lock(fs_reclaim);
[ 74.191002][ T5827] lock(&q->q_usage_counter(io)#24);
[ 74.198887][ T5827] lock(uevent_sock_mutex);
[ 74.203476][ T5827]
[ 74.203476][ T5827] *** DEADLOCK ***
[ 74.203476][ T5827]
[ 74.211603][ T5827] 3 locks held by syz-executor354/5827:
[ 74.217138][ T5827] #0: ffff888024209368 (&lo->lo_mutex){+.+.}-{4:4}, at: loop_set_status+0x2a/0xaf0
[ 74.226538][ T5827] #1: ffff888143fb27a8 (&q->q_usage_counter(io)#24){++++}-{0:0}, at: loop_set_status+0x225/0xaf0
[ 74.237169][ T5827] #2: ffff888143fb27e0 (&q->q_usage_counter(queue)#20){+.+.}-{0:0}, at: loop_set_status+0x225/0xaf0
[ 74.248054][ T5827]
[ 74.248054][ T5827] stack backtrace:
[ 74.253956][ T5827] CPU: 0 UID: 0 PID: 5827 Comm: syz-executor354 Not tainted 6.15.0-rc3-syzkaller-00283-gf1a3944c860b #0 PREEMPT(full)
[ 74.253973][ T5827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 74.253984][ T5827] Call Trace:
[ 74.253995][ T5827]
[ 74.254002][ T5827] dump_stack_lvl+0x189/0x250
[ 74.254028][ T5827] ? __pfx_dump_stack_lvl+0x10/0x10
[ 74.254044][ T5827] ? __pfx__printk+0x10/0x10
[ 74.254057][ T5827] ? print_lock_name+0xde/0x100
[ 74.254076][ T5827] print_circular_bug+0x2ee/0x310
[ 74.254089][ T5827] check_noncircular+0x134/0x160
[ 74.254103][ T5827] validate_chain+0xb9b/0x2140
[ 74.254115][ T5827] ? number+0xd18/0xf60
[ 74.254136][ T5827] __lock_acquire+0xaac/0xd20
[ 74.254153][ T5827] ? kobject_uevent_net_broadcast+0x27e/0x560
[ 74.254168][ T5827] lock_acquire+0x120/0x360
[ 74.254182][ T5827] ? kobject_uevent_net_broadcast+0x27e/0x560
[ 74.254201][ T5827] __mutex_lock+0x182/0xe80
[ 74.254214][ T5827] ? kobject_uevent_net_broadcast+0x27e/0x560
[ 74.254229][ T5827] ? vsnprintf+0xe11/0xf00
[ 74.254245][ T5827] ? kobject_uevent_net_broadcast+0x27e/0x560
[ 74.254261][ T5827] ? __pfx___mutex_lock+0x10/0x10
[ 74.254273][ T5827] ? add_uevent_var+0x278/0x450
[ 74.254289][ T5827] ? kobject_uevent_env+0x50a/0x8c0
[ 74.254303][ T5827] ? __pfx_add_uevent_var+0x10/0x10
[ 74.254318][ T5827] kobject_uevent_net_broadcast+0x27e/0x560
[ 74.254334][ T5827] kobject_uevent_env+0x55b/0x8c0
[ 74.254351][ T5827] loop_set_status+0x4d1/0xaf0
[ 74.254371][ T5827] lo_ioctl+0xb41/0x22e0
[ 74.254384][ T5827] ? arch_stack_walk+0xfc/0x150
[ 74.254402][ T5827] ? __pfx_lo_ioctl+0x10/0x10
[ 74.254414][ T5827] ? stack_trace_save+0x9c/0xe0
[ 74.254428][ T5827] ? stack_depot_save_flags+0x40/0x910
[ 74.254442][ T5827] ? __lock_acquire+0xaac/0xd20
[ 74.254461][ T5827] ? __lock_acquire+0xaac/0xd20
[ 74.254480][ T5827] ? is_bpf_text_address+0x26/0x2b0
[ 74.254503][ T5827] ? is_bpf_text_address+0x292/0x2b0
[ 74.254518][ T5827] ? is_bpf_text_address+0x26/0x2b0
[ 74.254535][ T5827] ? __lock_acquire+0xaac/0xd20
[ 74.254553][ T5827] ? __lock_acquire+0xaac/0xd20
[ 74.254573][ T5827] ? is_bpf_text_address+0x26/0x2b0
[ 74.254589][ T5827] ? is_bpf_text_address+0x292/0x2b0
[ 74.254604][ T5827] ? is_bpf_text_address+0x26/0x2b0
[ 74.254619][ T5827] ? kernel_text_address+0xa5/0xe0
[ 74.254635][ T5827] ? __kernel_text_address+0xd/0x40
[ 74.254649][ T5827] ? unwind_get_return_address+0x4d/0x90
[ 74.254664][ T5827] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 74.254676][ T5827] ? arch_stack_walk+0xfc/0x150
[ 74.254698][ T5827] ? kasan_save_track+0x4f/0x80
[ 74.254711][ T5827] ? kasan_save_track+0x3e/0x80
[ 74.254735][ T5827] ? kasan_quarantine_put+0xdd/0x220
[ 74.254748][ T5827] ? blkdev_common_ioctl+0xfc3/0x2450
[ 74.254764][ T5827] ? tomoyo_path_number_perm+0x1bc/0x5a0
[ 74.254782][ T5827] ? __pfx_blkdev_common_ioctl+0x10/0x10
[ 74.254795][ T5827] ? tomoyo_path_number_perm+0x1bc/0x5a0
[ 74.254812][ T5827] ? tomoyo_path_number_perm+0x4e2/0x5a0
[ 74.254828][ T5827] ? tomoyo_path_number_perm+0x1bc/0x5a0
[ 74.254845][ T5827] ? __pfx_tomoyo_path_number_perm+0x10/0x10
[ 74.254865][ T5827] ? __pfx__raw_spin_lock_irq+0x10/0x10
[ 74.254888][ T5827] ? __pfx_lo_ioctl+0x10/0x10
[ 74.254901][ T5827] blkdev_ioctl+0x5a5/0x6d0
[ 74.254915][ T5827] ? __pfx_blkdev_ioctl+0x10/0x10
[ 74.254927][ T5827] ? rcu_is_watching+0x15/0xb0
[ 74.254945][ T5827] ? bpf_lsm_file_ioctl+0x9/0x20
[ 74.254959][ T5827] ? __pfx_blkdev_ioctl+0x10/0x10
[ 74.254972][ T5827] __se_sys_ioctl+0xf9/0x170
[ 74.254985][ T5827] do_syscall_64+0xf6/0x210
[ 74.254997][ T5827] ? clear_bhb_loop+0x45/0xa0
[ 74.255011][ T5827] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 74.255023][ T5827] RIP: 0033:0x7f90cf63a939
[ 74.255039][ T5827] 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
[ 74.255050][ T5827] RSP: 002b:00007ffe0d3db488 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 74.255064][ T5827] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f90cf63a939
[ 74.255073][ T5827] RDX: 00002000000001c0 RSI: 0000000000004c02 RDI: 0000000000000003
[ 74.255081][ T5827] RBP: 00007f90cf6ad5f0 R08: 0000000000000006 R09: 0000000000000006
[ 74.255089][ T5827] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000001
[pid 5827] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5827] exit_group(0) = ?
[pid 5827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5827, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[ 74.255096][ T5827] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 74.255109][ T5827]
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5829
./strace-static-x86_64: Process 5829 attached
[pid 5829] set_robust_list(0x5555778dd660, 24) = 0
[pid 5829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5829] setpgid(0, 0) = 0
[pid 5829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 5829] write(3, "1000", 4) = 4
[pid 5829] close(3) = 0
[pid 5829] write(1, "executing program\n", 18) = 18
[pid 5829] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5829] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5829] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5829] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5829] exit_group(0) = ?
[pid 5829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5829, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5830
./strace-static-x86_64: Process 5830 attached
[pid 5830] set_robust_list(0x5555778dd660, 24) = 0
[pid 5830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5830] setpgid(0, 0) = 0
[pid 5830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
executing program
[pid 5830] write(3, "1000", 4) = 4
[pid 5830] close(3) = 0
[pid 5830] write(1, "executing program\n", 18) = 18
[pid 5830] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5830] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5830] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5830] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5830] exit_group(0) = ?
[pid 5830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5830, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5831 attached
, child_tidptr=0x5555778dd650) = 5831
[pid 5831] set_robust_list(0x5555778dd660, 24) = 0
[pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5831] setpgid(0, 0) = 0
[pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5831] write(3, "1000", 4) = 4
[pid 5831] close(3) = 0
[pid 5831] write(1, "executing program\n", 18executing program
) = 18
[pid 5831] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5831] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5831] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5831] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5831] exit_group(0) = ?
[pid 5831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5832 attached
, child_tidptr=0x5555778dd650) = 5832
[pid 5832] set_robust_list(0x5555778dd660, 24) = 0
[pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5832] setpgid(0, 0) = 0
[pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5832] write(3, "1000", 4) = 4
[pid 5832] close(3) = 0
executing program
[pid 5832] write(1, "executing program\n", 18) = 18
[pid 5832] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5832] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5832] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5832] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5832] exit_group(0) = ?
[pid 5832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached
, child_tidptr=0x5555778dd650) = 5833
[pid 5833] set_robust_list(0x5555778dd660, 24) = 0
[pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5833] setpgid(0, 0) = 0
[pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5833] write(3, "1000", 4) = 4
[pid 5833] close(3) = 0
[pid 5833] write(1, "executing program\n", 18executing program
) = 18
[pid 5833] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5833] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5833] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5833] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5833] exit_group(0) = ?
[pid 5833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5834
./strace-static-x86_64: Process 5834 attached
[pid 5834] set_robust_list(0x5555778dd660, 24) = 0
[pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5834] setpgid(0, 0) = 0
[pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5834] write(3, "1000", 4) = 4
[pid 5834] close(3) = 0
executing program
[pid 5834] write(1, "executing program\n", 18) = 18
[pid 5834] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5834] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5834] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5834] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5834] exit_group(0) = ?
[pid 5834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5835
./strace-static-x86_64: Process 5835 attached
[pid 5835] set_robust_list(0x5555778dd660, 24) = 0
[pid 5835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5835] setpgid(0, 0) = 0
[pid 5835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5835] write(3, "1000", 4) = 4
[pid 5835] close(3) = 0
executing program
[pid 5835] write(1, "executing program\n", 18) = 18
[pid 5835] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5835] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5835] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5835] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5835] exit_group(0) = ?
[pid 5835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5835, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5836 attached
, child_tidptr=0x5555778dd650) = 5836
[pid 5836] set_robust_list(0x5555778dd660, 24) = 0
[pid 5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5836] setpgid(0, 0) = 0
[pid 5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5836] write(3, "1000", 4) = 4
[pid 5836] close(3) = 0
[pid 5836] write(1, "executing program\n", 18executing program
) = 18
[pid 5836] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5836] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5836] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5836] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5836] exit_group(0) = ?
[pid 5836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5836, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5837
./strace-static-x86_64: Process 5837 attached
[pid 5837] set_robust_list(0x5555778dd660, 24) = 0
[pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5837] setpgid(0, 0) = 0
[pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5837] write(3, "1000", 4) = 4
[pid 5837] close(3) = 0
executing program
[pid 5837] write(1, "executing program\n", 18) = 18
[pid 5837] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5837] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5837] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5837] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5837] exit_group(0) = ?
[pid 5837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5837, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5838
./strace-static-x86_64: Process 5838 attached
[pid 5838] set_robust_list(0x5555778dd660, 24) = 0
[pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5838] setpgid(0, 0) = 0
[pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5838] write(3, "1000", 4) = 4
[pid 5838] close(3) = 0
[pid 5838] write(1, "executing program\n", 18executing program
) = 18
[pid 5838] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5838] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5838] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5838] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5838] exit_group(0) = ?
[pid 5838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5839
./strace-static-x86_64: Process 5839 attached
[pid 5839] set_robust_list(0x5555778dd660, 24) = 0
[pid 5839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5839] setpgid(0, 0) = 0
[pid 5839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5839] write(3, "1000", 4) = 4
[pid 5839] close(3) = 0
executing program
[pid 5839] write(1, "executing program\n", 18) = 18
[pid 5839] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5839] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5839] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5839] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5839] exit_group(0) = ?
[pid 5839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5839, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached
, child_tidptr=0x5555778dd650) = 5840
[pid 5840] set_robust_list(0x5555778dd660, 24) = 0
[pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5840] setpgid(0, 0) = 0
[pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5840] write(3, "1000", 4) = 4
[pid 5840] close(3) = 0
[pid 5840] write(1, "executing program\n", 18executing program
) = 18
[pid 5840] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5840] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5840] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5840] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5840] exit_group(0) = ?
[pid 5840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5840, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
, child_tidptr=0x5555778dd650) = 5841
[pid 5841] set_robust_list(0x5555778dd660, 24) = 0
[pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5841] setpgid(0, 0) = 0
[pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5841] write(3, "1000", 4) = 4
[pid 5841] close(3) = 0
executing program
[pid 5841] write(1, "executing program\n", 18) = 18
[pid 5841] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5841] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5841] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5841] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5841] exit_group(0) = ?
[pid 5841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5842
./strace-static-x86_64: Process 5842 attached
[pid 5842] set_robust_list(0x5555778dd660, 24) = 0
[pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5842] setpgid(0, 0) = 0
[pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5842] write(3, "1000", 4) = 4
[pid 5842] close(3) = 0
executing program
[pid 5842] write(1, "executing program\n", 18) = 18
[pid 5842] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5842] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5842] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5842] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5842] exit_group(0) = ?
[pid 5842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5843 attached
, child_tidptr=0x5555778dd650) = 5843
[pid 5843] set_robust_list(0x5555778dd660, 24) = 0
[pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5843] setpgid(0, 0) = 0
[pid 5843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5843] write(3, "1000", 4) = 4
[pid 5843] close(3) = 0
executing program
[pid 5843] write(1, "executing program\n", 18) = 18
[pid 5843] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5843] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5843] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5843] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5843] exit_group(0) = ?
[pid 5843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5843, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5844 attached
, child_tidptr=0x5555778dd650) = 5844
[pid 5844] set_robust_list(0x5555778dd660, 24) = 0
[pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5844] setpgid(0, 0) = 0
[pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5844] write(3, "1000", 4) = 4
[pid 5844] close(3) = 0
[pid 5844] write(1, "executing program\n", 18executing program
) = 18
[pid 5844] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5844] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5844] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5844] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5844] exit_group(0) = ?
[pid 5844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5845 attached
, child_tidptr=0x5555778dd650) = 5845
[pid 5845] set_robust_list(0x5555778dd660, 24) = 0
[pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5845] setpgid(0, 0) = 0
[pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5845] write(3, "1000", 4) = 4
[pid 5845] close(3) = 0
executing program
[pid 5845] write(1, "executing program\n", 18) = 18
[pid 5845] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5845] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5845] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5845] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5845] exit_group(0) = ?
[pid 5845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5845, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached
, child_tidptr=0x5555778dd650) = 5846
[pid 5846] set_robust_list(0x5555778dd660, 24) = 0
[pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5846] setpgid(0, 0) = 0
[pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5846] write(3, "1000", 4) = 4
[pid 5846] close(3) = 0
[pid 5846] write(1, "executing program\n", 18executing program
) = 18
[pid 5846] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5846] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5846] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5846] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5846] exit_group(0) = ?
[pid 5846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5847 attached
, child_tidptr=0x5555778dd650) = 5847
[pid 5847] set_robust_list(0x5555778dd660, 24) = 0
[pid 5847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5847] setpgid(0, 0) = 0
[pid 5847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5847] write(3, "1000", 4) = 4
[pid 5847] close(3) = 0
executing program
[pid 5847] write(1, "executing program\n", 18) = 18
[pid 5847] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5847] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5847] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5847] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5847] exit_group(0) = ?
[pid 5847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5847, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5848 attached
, child_tidptr=0x5555778dd650) = 5848
[pid 5848] set_robust_list(0x5555778dd660, 24) = 0
[pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5848] setpgid(0, 0) = 0
[pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5848] write(3, "1000", 4) = 4
[pid 5848] close(3) = 0
[pid 5848] write(1, "executing program\n", 18executing program
) = 18
[pid 5848] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5848] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5848] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5848] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5848] exit_group(0) = ?
[pid 5848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5848, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5849 attached
, child_tidptr=0x5555778dd650) = 5849
[pid 5849] set_robust_list(0x5555778dd660, 24) = 0
[pid 5849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5849] setpgid(0, 0) = 0
[pid 5849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5849] write(3, "1000", 4) = 4
[pid 5849] close(3) = 0
[pid 5849] write(1, "executing program\n", 18executing program
) = 18
[pid 5849] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5849] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5849] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5849] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5849] exit_group(0) = ?
[pid 5849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5849, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached
, child_tidptr=0x5555778dd650) = 5850
[pid 5850] set_robust_list(0x5555778dd660, 24) = 0
[pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5850] setpgid(0, 0) = 0
[pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5850] write(3, "1000", 4) = 4
[pid 5850] close(3) = 0
executing program
[pid 5850] write(1, "executing program\n", 18) = 18
[pid 5850] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5850] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5850] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5850] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5850] exit_group(0) = ?
[pid 5850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5851 attached
, child_tidptr=0x5555778dd650) = 5851
[pid 5851] set_robust_list(0x5555778dd660, 24) = 0
[pid 5851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5851] setpgid(0, 0) = 0
[pid 5851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5851] write(3, "1000", 4) = 4
[pid 5851] close(3) = 0
[pid 5851] write(1, "executing program\n", 18executing program
) = 18
[pid 5851] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5851] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5851] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5851] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5851] exit_group(0) = ?
[pid 5851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5851, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5852 attached
[pid 5852] set_robust_list(0x5555778dd660, 24) = 0
[pid 5826] <... clone resumed>, child_tidptr=0x5555778dd650) = 5852
[pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5852] setpgid(0, 0) = 0
[pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5852] write(3, "1000", 4) = 4
[pid 5852] close(3) = 0
[pid 5852] write(1, "executing program\n", 18executing program
) = 18
[pid 5852] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5852] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5852] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5852] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5852] exit_group(0) = ?
[pid 5852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5852, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5853 attached
, child_tidptr=0x5555778dd650) = 5853
[pid 5853] set_robust_list(0x5555778dd660, 24) = 0
[pid 5853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5853] setpgid(0, 0) = 0
[pid 5853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5853] write(3, "1000", 4) = 4
[pid 5853] close(3) = 0
executing program
[pid 5853] write(1, "executing program\n", 18) = 18
[pid 5853] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5853] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5853] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5853] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5853] exit_group(0) = ?
[pid 5853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5853, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached
, child_tidptr=0x5555778dd650) = 5854
[pid 5854] set_robust_list(0x5555778dd660, 24) = 0
[pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5854] setpgid(0, 0) = 0
[pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5854] write(3, "1000", 4) = 4
[pid 5854] close(3) = 0
[pid 5854] write(1, "executing program\n", 18executing program
) = 18
[pid 5854] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5854] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5854] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5854] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5854] exit_group(0) = ?
[pid 5854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5855 attached
, child_tidptr=0x5555778dd650) = 5855
[pid 5855] set_robust_list(0x5555778dd660, 24) = 0
[pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5855] setpgid(0, 0) = 0
[pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5855] write(3, "1000", 4) = 4
[pid 5855] close(3) = 0
executing program
[pid 5855] write(1, "executing program\n", 18) = 18
[pid 5855] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5855] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5855] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5855] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5855] exit_group(0) = ?
[pid 5855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5855, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached
, child_tidptr=0x5555778dd650) = 5856
[pid 5856] set_robust_list(0x5555778dd660, 24) = 0
[pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5856] setpgid(0, 0) = 0
[pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5856] write(3, "1000", 4) = 4
[pid 5856] close(3) = 0
executing program
[pid 5856] write(1, "executing program\n", 18) = 18
[pid 5856] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5856] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5856] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5856] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5856] exit_group(0) = ?
[pid 5856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5856, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5857 attached
, child_tidptr=0x5555778dd650) = 5857
[pid 5857] set_robust_list(0x5555778dd660, 24) = 0
[pid 5857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5857] setpgid(0, 0) = 0
[pid 5857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5857] write(3, "1000", 4) = 4
[pid 5857] close(3) = 0
executing program
[pid 5857] write(1, "executing program\n", 18) = 18
[pid 5857] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5857] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5857] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5857] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5857] exit_group(0) = ?
[pid 5857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5857, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached
, child_tidptr=0x5555778dd650) = 5858
[pid 5858] set_robust_list(0x5555778dd660, 24) = 0
[pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5858] setpgid(0, 0) = 0
[pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5858] write(3, "1000", 4) = 4
[pid 5858] close(3) = 0
[pid 5858] write(1, "executing program\n", 18executing program
) = 18
[pid 5858] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5858] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5858] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5858] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5858] exit_group(0) = ?
[pid 5858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5859 attached
, child_tidptr=0x5555778dd650) = 5859
[pid 5859] set_robust_list(0x5555778dd660, 24) = 0
[pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5859] setpgid(0, 0) = 0
[pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5859] write(3, "1000", 4) = 4
[pid 5859] close(3) = 0
executing program
[pid 5859] write(1, "executing program\n", 18) = 18
[pid 5859] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5859] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5859] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5859] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5859] exit_group(0) = ?
[pid 5859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5859, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached
, child_tidptr=0x5555778dd650) = 5860
[pid 5860] set_robust_list(0x5555778dd660, 24) = 0
[pid 5860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5860] setpgid(0, 0) = 0
[pid 5860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5860] write(3, "1000", 4) = 4
[pid 5860] close(3) = 0
[pid 5860] write(1, "executing program\n", 18executing program
) = 18
[pid 5860] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5860] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5860] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5860] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5860] exit_group(0) = ?
[pid 5860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5860, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached
, child_tidptr=0x5555778dd650) = 5861
[pid 5861] set_robust_list(0x5555778dd660, 24) = 0
[pid 5861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5861] setpgid(0, 0) = 0
[pid 5861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5861] write(3, "1000", 4) = 4
[pid 5861] close(3) = 0
[pid 5861] write(1, "executing program\n", 18executing program
) = 18
[pid 5861] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5861] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5861] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5861] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5861] exit_group(0) = ?
[pid 5861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5861, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached
, child_tidptr=0x5555778dd650) = 5862
[pid 5862] set_robust_list(0x5555778dd660, 24) = 0
[pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5862] setpgid(0, 0) = 0
[pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5862] write(3, "1000", 4) = 4
[pid 5862] close(3) = 0
executing program
[pid 5862] write(1, "executing program\n", 18) = 18
[pid 5862] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5862] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5862] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5862] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5862] exit_group(0) = ?
[pid 5862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5863 attached
, child_tidptr=0x5555778dd650) = 5863
[pid 5863] set_robust_list(0x5555778dd660, 24) = 0
[pid 5863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5863] setpgid(0, 0) = 0
[pid 5863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5863] write(3, "1000", 4) = 4
[pid 5863] close(3) = 0
executing program
[pid 5863] write(1, "executing program\n", 18) = 18
[pid 5863] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5863] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5863] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5863] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5863] exit_group(0) = ?
[pid 5863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5863, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5864 attached
, child_tidptr=0x5555778dd650) = 5864
[pid 5864] set_robust_list(0x5555778dd660, 24) = 0
[pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5864] setpgid(0, 0) = 0
[pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5864] write(3, "1000", 4) = 4
[pid 5864] close(3) = 0
executing program
[pid 5864] write(1, "executing program\n", 18) = 18
[pid 5864] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5864] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5864] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5864] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5864] exit_group(0) = ?
[pid 5864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5864, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5865 attached
, child_tidptr=0x5555778dd650) = 5865
[pid 5865] set_robust_list(0x5555778dd660, 24) = 0
[pid 5865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5865] setpgid(0, 0) = 0
[pid 5865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5865] write(3, "1000", 4) = 4
[pid 5865] close(3) = 0
[pid 5865] write(1, "executing program\n", 18executing program
) = 18
[pid 5865] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5865] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5865] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5865] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5865] exit_group(0) = ?
[pid 5865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5865, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached
[pid 5866] set_robust_list(0x5555778dd660, 24) = 0
[pid 5826] <... clone resumed>, child_tidptr=0x5555778dd650) = 5866
[pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5866] setpgid(0, 0) = 0
[pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5866] write(3, "1000", 4) = 4
[pid 5866] close(3) = 0
executing program
[pid 5866] write(1, "executing program\n", 18) = 18
[pid 5866] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5866] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5866] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5866] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5866] exit_group(0) = ?
[pid 5866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached
, child_tidptr=0x5555778dd650) = 5867
[pid 5867] set_robust_list(0x5555778dd660, 24) = 0
[pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5867] setpgid(0, 0) = 0
[pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5867] write(3, "1000", 4) = 4
[pid 5867] close(3) = 0
[pid 5867] write(1, "executing program\n", 18executing program
) = 18
[pid 5867] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5867] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5867] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5867] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5867] exit_group(0) = ?
[pid 5867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5867, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5868 attached
, child_tidptr=0x5555778dd650) = 5868
[pid 5868] set_robust_list(0x5555778dd660, 24) = 0
[pid 5868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5868] setpgid(0, 0) = 0
[pid 5868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5868] write(3, "1000", 4) = 4
[pid 5868] close(3) = 0
[pid 5868] write(1, "executing program\n", 18executing program
) = 18
[pid 5868] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5868] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5868] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5868] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5868] exit_group(0) = ?
[pid 5868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5868, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5869 attached
, child_tidptr=0x5555778dd650) = 5869
[pid 5869] set_robust_list(0x5555778dd660, 24) = 0
[pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5869] setpgid(0, 0) = 0
[pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5869] write(3, "1000", 4) = 4
[pid 5869] close(3) = 0
[pid 5869] write(1, "executing program\n", 18executing program
) = 18
[pid 5869] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5869] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5869] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5869] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5869] exit_group(0) = ?
[pid 5869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5869, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5870
./strace-static-x86_64: Process 5870 attached
[pid 5870] set_robust_list(0x5555778dd660, 24) = 0
[pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5870] setpgid(0, 0) = 0
[pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5870] write(3, "1000", 4) = 4
[pid 5870] close(3) = 0
executing program
[pid 5870] write(1, "executing program\n", 18) = 18
[pid 5870] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5870] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5870] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5870] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5870] exit_group(0) = ?
[pid 5870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5871 attached
[pid 5871] set_robust_list(0x5555778dd660, 24
[pid 5826] <... clone resumed>, child_tidptr=0x5555778dd650) = 5871
[pid 5871] <... set_robust_list resumed>) = 0
[pid 5871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5871] setpgid(0, 0) = 0
[pid 5871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5871] write(3, "1000", 4) = 4
[pid 5871] close(3) = 0
[pid 5871] write(1, "executing program\n", 18executing program
) = 18
[pid 5871] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5871] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5871] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5871] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5871] exit_group(0) = ?
[pid 5871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5871, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5872 attached
[pid 5872] set_robust_list(0x5555778dd660, 24
[pid 5826] <... clone resumed>, child_tidptr=0x5555778dd650) = 5872
[pid 5872] <... set_robust_list resumed>) = 0
[pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5872] setpgid(0, 0) = 0
[pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5872] write(3, "1000", 4) = 4
[pid 5872] close(3) = 0
executing program
[pid 5872] write(1, "executing program\n", 18) = 18
[pid 5872] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5872] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5872] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5872] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5872] exit_group(0) = ?
[pid 5872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5872, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached
, child_tidptr=0x5555778dd650) = 5873
[pid 5873] set_robust_list(0x5555778dd660, 24) = 0
[pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5873] setpgid(0, 0) = 0
[pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5873] write(3, "1000", 4) = 4
[pid 5873] close(3) = 0
[pid 5873] write(1, "executing program\n", 18executing program
) = 18
[pid 5873] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5873] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5873] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5873] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5873] exit_group(0) = ?
[pid 5873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5873, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached
[pid 5874] set_robust_list(0x5555778dd660, 24
[pid 5826] <... clone resumed>, child_tidptr=0x5555778dd650) = 5874
[pid 5874] <... set_robust_list resumed>) = 0
[pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5874] setpgid(0, 0) = 0
[pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5874] write(3, "1000", 4) = 4
[pid 5874] close(3) = 0
executing program
[pid 5874] write(1, "executing program\n", 18) = 18
[pid 5874] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5874] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5874] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5874] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5874] exit_group(0) = ?
[pid 5874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5874, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5876 attached
, child_tidptr=0x5555778dd650) = 5876
[pid 5876] set_robust_list(0x5555778dd660, 24) = 0
[pid 5876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5876] setpgid(0, 0) = 0
[pid 5876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5876] write(3, "1000", 4) = 4
[pid 5876] close(3) = 0
executing program
[pid 5876] write(1, "executing program\n", 18) = 18
[pid 5876] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5876] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5876] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5876] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5876] exit_group(0) = ?
[pid 5876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5876, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5877 attached
, child_tidptr=0x5555778dd650) = 5877
[pid 5877] set_robust_list(0x5555778dd660, 24) = 0
[pid 5877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5877] setpgid(0, 0) = 0
[pid 5877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5877] write(3, "1000", 4) = 4
[pid 5877] close(3) = 0
[pid 5877] write(1, "executing program\n", 18executing program
) = 18
[pid 5877] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5877] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5877] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5877] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5877] exit_group(0) = ?
[pid 5877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5877, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5878
./strace-static-x86_64: Process 5878 attached
[pid 5878] set_robust_list(0x5555778dd660, 24) = 0
[pid 5878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5878] setpgid(0, 0) = 0
[pid 5878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5878] write(3, "1000", 4) = 4
[pid 5878] close(3) = 0
executing program
[pid 5878] write(1, "executing program\n", 18) = 18
[pid 5878] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5878] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5878] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5878] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5878] exit_group(0) = ?
[pid 5878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5878, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555778dd650) = 5879
./strace-static-x86_64: Process 5879 attached
[pid 5879] set_robust_list(0x5555778dd660, 24) = 0
[pid 5879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5879] setpgid(0, 0) = 0
[pid 5879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5879] write(3, "1000", 4) = 4
[pid 5879] close(3) = 0
executing program
[pid 5879] write(1, "executing program\n", 18) = 18
[pid 5879] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5879] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5879] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5879] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5879] exit_group(0) = ?
[pid 5879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5879, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5880 attached
, child_tidptr=0x5555778dd650) = 5880
[pid 5880] set_robust_list(0x5555778dd660, 24) = 0
[pid 5880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5880] setpgid(0, 0) = 0
[pid 5880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5880] write(3, "1000", 4) = 4
[pid 5880] close(3) = 0
[pid 5880] write(1, "executing program\n", 18executing program
) = 18
[pid 5880] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5880] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5880] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5880] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5880] exit_group(0) = ?
[pid 5880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5880, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5881 attached
, child_tidptr=0x5555778dd650) = 5881
[pid 5881] set_robust_list(0x5555778dd660, 24) = 0
[pid 5881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5881] setpgid(0, 0) = 0
[pid 5881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5881] write(3, "1000", 4) = 4
[pid 5881] close(3) = 0
executing program
[pid 5881] write(1, "executing program\n", 18) = 18
[pid 5881] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5881] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5881] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5881] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5881] exit_group(0) = ?
[pid 5881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5881, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5882 attached
, child_tidptr=0x5555778dd650) = 5882
[pid 5882] set_robust_list(0x5555778dd660, 24) = 0
[pid 5882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5882] setpgid(0, 0) = 0
[pid 5882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5882] write(3, "1000", 4) = 4
[pid 5882] close(3) = 0
[pid 5882] write(1, "executing program\n", 18executing program
) = 18
[pid 5882] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5882] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5882] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5882] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5882] exit_group(0) = ?
[pid 5882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5882, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached
, child_tidptr=0x5555778dd650) = 5883
[pid 5883] set_robust_list(0x5555778dd660, 24) = 0
[pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5883] setpgid(0, 0) = 0
[pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5883] write(3, "1000", 4) = 4
[pid 5883] close(3) = 0
[pid 5883] write(1, "executing program\n", 18executing program
) = 18
[pid 5883] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5883] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5883] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5883] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5883] exit_group(0) = ?
[pid 5883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5883, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5884 attached
, child_tidptr=0x5555778dd650) = 5884
[pid 5884] set_robust_list(0x5555778dd660, 24) = 0
[pid 5884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5884] setpgid(0, 0) = 0
[pid 5884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5884] write(3, "1000", 4) = 4
[pid 5884] close(3) = 0
[pid 5884] write(1, "executing program\n", 18executing program
) = 18
[pid 5884] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5884] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5884] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5884] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5884] exit_group(0) = ?
[pid 5884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5884, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5885 attached
, child_tidptr=0x5555778dd650) = 5885
[pid 5885] set_robust_list(0x5555778dd660, 24) = 0
[pid 5885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5885] setpgid(0, 0) = 0
[pid 5885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5885] write(3, "1000", 4) = 4
[pid 5885] close(3) = 0
[pid 5885] write(1, "executing program\n", 18executing program
) = 18
[pid 5885] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5885] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5885] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5885] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5885] exit_group(0) = ?
[pid 5885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5885, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5886 attached
, child_tidptr=0x5555778dd650) = 5886
[pid 5886] set_robust_list(0x5555778dd660, 24) = 0
[pid 5886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5886] setpgid(0, 0) = 0
[pid 5886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5886] write(3, "1000", 4) = 4
[pid 5886] close(3) = 0
[pid 5886] write(1, "executing program\n", 18executing program
) = 18
[pid 5886] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5886] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5886] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5886] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5886] exit_group(0) = ?
[pid 5886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5886, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5887 attached
, child_tidptr=0x5555778dd650) = 5887
[pid 5887] set_robust_list(0x5555778dd660, 24) = 0
[pid 5887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5887] setpgid(0, 0) = 0
[pid 5887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5887] write(3, "1000", 4) = 4
[pid 5887] close(3) = 0
executing program
[pid 5887] write(1, "executing program\n", 18) = 18
[pid 5887] openat(AT_FDCWD, "/dev/loop7", O_RDWR|O_EXCL|O_NOCTTY|O_TRUNC|O_LARGEFILE|FASYNC) = 3
[pid 5887] memfd_create("\x43\x13\xfc\x32\x95\x57\x44\xaa\xba\x5e\x90\xfd\x8d\xc2\xb1\x5b\x81\xda\xda\xd6\x8c\xc9\x39\xec\x0e\x2a\x7c\x7c\xe4\xb3\xc4\xb6\x0b\xaa\x15\x86\x2c\xac\x8d\x89\x63\x75\x10\xdc\x93\x9b\xb4\x93\xaf\x45\x2a\x3a\xe4\xdd\xa5\xa7\x35\xb8\x1e\x3b\x37\xb7\x2e\x56\xdc\x72\x77\x5b\x0d\x98\x93\x6a\x9c\xf6\xf8\x99\xef\x46\x5f\xcd\xdf\x21\x62\xc5\xec\x0a\x74\x62\xff\x08\xaa\x46\x3f\x21\x9f\x07\x1a\x03\x0c\xe9"..., MFD_CLOEXEC) = 4
[pid 5887] ioctl(3, LOOP_SET_FD, 4) = -1 EBUSY (Device or resource busy)
[pid 5887] ioctl(3, LOOP_SET_STATUS, {lo_number=0, lo_offset=0x40000004, lo_flags=LO_FLAGS_PARTSCAN|LO_FLAGS_DIRECT_IO, lo_name="\x28\xf5\xc9\xea\x1f\x1a\xe4\xbe\x41\x11\xab\x18\xd2\xda\x69\xbd\xe5\x8c\xd7\xaf\x40\xfd\x15\x0b\x70\xaa\xc1\x1c\x2e\x16\xbd\x5b\xba\x76\x63\xc4\x35\xaf\xf9\x47\x93\xdd\xd7\xaa\xe0\x7e\xf3\x5f\x17\xbf\x01\x93\x3b\xdb\x6f\xd7\xec\xdd\x91\xb5\x9c\xa8\xd5"..., ...}) = 0
[pid 5887] exit_group(0) = ?
[pid 5887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5887, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5888 attached
, child_tidptr=0x5555778dd650) = 5888
[pid 5888] set_robust_list(0x5555778dd660, 24) = 0
[pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5888] setpgid(0, 0) = 0