./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor588076391

<...>
d-self/fail-nth", O_RDWR) = 4
[pid 19503] write(4, "78", 2)           = 2
[pid 19503] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19503] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19503] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19503] exit_group(0)               = ?
[pid 19503] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19503, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19504
./strace-static-x86_64: Process 19504 attached
[pid 19504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19504] setpgid(0, 0)               = 0
[pid 19504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19504] write(3, "1000", 4)         = 4
[pid 19504] close(3)                    = 0
[pid 19504] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19504] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19504] write(4, "78", 2)           = 2
[pid 19504] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19504] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19504] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19504] exit_group(0)               = ?
[pid 19504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19504, 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=0x555555af35d0) = 19505
./strace-static-x86_64: Process 19505 attached
[pid 19505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19505] setpgid(0, 0)               = 0
[pid 19505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19505] write(3, "1000", 4)         = 4
[pid 19505] close(3)                    = 0
[pid 19505] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19505] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19505] write(4, "78", 2)           = 2
[pid 19505] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19505] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19505] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19505] exit_group(0)               = ?
[pid 19505] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19505, 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=0x555555af35d0) = 19506
./strace-static-x86_64: Process 19506 attached
[pid 19506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19506] setpgid(0, 0)               = 0
[pid 19506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19506] write(3, "1000", 4)         = 4
[pid 19506] close(3)                    = 0
[pid 19506] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19506] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19506] write(4, "78", 2)           = 2
[pid 19506] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19506] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19506] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19506] exit_group(0)               = ?
[pid 19506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19506, 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=0x555555af35d0) = 19507
./strace-static-x86_64: Process 19507 attached
[pid 19507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19507] setpgid(0, 0)               = 0
[pid 19507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19507] write(3, "1000", 4)         = 4
[pid 19507] close(3)                    = 0
[pid 19507] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19507] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19507] write(4, "78", 2)           = 2
[pid 19507] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19507] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19507] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19507] exit_group(0)               = ?
[pid 19507] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19507, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19508 attached
, child_tidptr=0x555555af35d0) = 19508
[pid 19508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19508] setpgid(0, 0)               = 0
[pid 19508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19508] write(3, "1000", 4)         = 4
[pid 19508] close(3)                    = 0
[pid 19508] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19508] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19508] write(4, "78", 2)           = 2
[pid 19508] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19508] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19508] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19508] exit_group(0)               = ?
[pid 19508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19508, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19509
./strace-static-x86_64: Process 19509 attached
[pid 19509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19509] setpgid(0, 0)               = 0
[pid 19509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19509] write(3, "1000", 4)         = 4
[pid 19509] close(3)                    = 0
[pid 19509] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19509] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19509] write(4, "78", 2)           = 2
[pid 19509] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19509] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19509] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19509] exit_group(0)               = ?
[pid 19509] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19509, 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 19510 attached
, child_tidptr=0x555555af35d0) = 19510
[pid 19510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19510] setpgid(0, 0)               = 0
[pid 19510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19510] write(3, "1000", 4)         = 4
[pid 19510] close(3)                    = 0
[pid 19510] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19510] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19510] write(4, "78", 2)           = 2
[pid 19510] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19510] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19510] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19510] exit_group(0)               = ?
[pid 19510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19510, 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 19511 attached
, child_tidptr=0x555555af35d0) = 19511
[pid 19511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19511] setpgid(0, 0)               = 0
[pid 19511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19511] write(3, "1000", 4)         = 4
[pid 19511] close(3)                    = 0
[pid 19511] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19511] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19511] write(4, "78", 2)           = 2
[pid 19511] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19511] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19511] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19511] exit_group(0)               = ?
[pid 19511] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19511, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19512 attached
, child_tidptr=0x555555af35d0) = 19512
[pid 19512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19512] setpgid(0, 0)               = 0
[pid 19512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19512] write(3, "1000", 4)         = 4
[pid 19512] close(3)                    = 0
[pid 19512] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19512] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19512] write(4, "78", 2)           = 2
[pid 19512] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19512] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19512] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19512] exit_group(0)               = ?
[pid 19512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19512, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19513 attached
, child_tidptr=0x555555af35d0) = 19513
[pid 19513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19513] setpgid(0, 0)               = 0
[pid 19513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19513] write(3, "1000", 4)         = 4
[pid 19513] close(3)                    = 0
[pid 19513] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19513] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19513] write(4, "78", 2)           = 2
[pid 19513] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19513] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19513] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19513] exit_group(0)               = ?
[pid 19513] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19513, 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 19514 attached
, child_tidptr=0x555555af35d0) = 19514
[pid 19514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19514] setpgid(0, 0)               = 0
[pid 19514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19514] write(3, "1000", 4)         = 4
[pid 19514] close(3)                    = 0
[pid 19514] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19514] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19514] write(4, "78", 2)           = 2
[pid 19514] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19514] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19514] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19514] exit_group(0)               = ?
[pid 19514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19514, 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 19515 attached
, child_tidptr=0x555555af35d0) = 19515
[pid 19515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19515] setpgid(0, 0)               = 0
[pid 19515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19515] write(3, "1000", 4)         = 4
[pid 19515] close(3)                    = 0
[pid 19515] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19515] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19515] write(4, "78", 2)           = 2
[pid 19515] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19515] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19515] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19515] exit_group(0)               = ?
[pid 19515] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19515, 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 19516 attached
, child_tidptr=0x555555af35d0) = 19516
[pid 19516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19516] setpgid(0, 0)               = 0
[pid 19516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19516] write(3, "1000", 4)         = 4
[pid 19516] close(3)                    = 0
[pid 19516] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19516] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19516] write(4, "78", 2)           = 2
[pid 19516] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19516] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19516] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19516] exit_group(0)               = ?
[pid 19516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19516, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19517 attached
, child_tidptr=0x555555af35d0) = 19517
[pid 19517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19517] setpgid(0, 0)               = 0
[pid 19517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19517] write(3, "1000", 4)         = 4
[pid 19517] close(3)                    = 0
[pid 19517] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19517] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19517] write(4, "78", 2)           = 2
[pid 19517] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19517] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19517] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19517] exit_group(0)               = ?
[pid 19517] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19517, 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 19518 attached
, child_tidptr=0x555555af35d0) = 19518
[pid 19518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19518] setpgid(0, 0)               = 0
[pid 19518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19518] write(3, "1000", 4)         = 4
[pid 19518] close(3)                    = 0
[pid 19518] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19518] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19518] write(4, "78", 2)           = 2
[pid 19518] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19518] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19518] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19518] exit_group(0)               = ?
[pid 19518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19518, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19519 attached
, child_tidptr=0x555555af35d0) = 19519
[pid 19519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19519] setpgid(0, 0)               = 0
[pid 19519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19519] write(3, "1000", 4)         = 4
[pid 19519] close(3)                    = 0
[pid 19519] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19519] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19519] write(4, "78", 2)           = 2
[pid 19519] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19519] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19519] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19519] exit_group(0)               = ?
[pid 19519] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19519, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19520 attached
, child_tidptr=0x555555af35d0) = 19520
[pid 19520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19520] setpgid(0, 0)               = 0
[pid 19520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19520] write(3, "1000", 4)         = 4
[pid 19520] close(3)                    = 0
[pid 19520] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19520] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19520] write(4, "78", 2)           = 2
[pid 19520] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19520] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19520] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19520] exit_group(0)               = ?
[pid 19520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19520, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19521 attached
, child_tidptr=0x555555af35d0) = 19521
[pid 19521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19521] setpgid(0, 0)               = 0
[pid 19521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19521] write(3, "1000", 4)         = 4
[pid 19521] close(3)                    = 0
[pid 19521] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19521] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19521] write(4, "78", 2)           = 2
[pid 19521] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19521] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19521] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19521] exit_group(0)               = ?
[pid 19521] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19521, 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 19522 attached
, child_tidptr=0x555555af35d0) = 19522
[pid 19522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19522] setpgid(0, 0)               = 0
[pid 19522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19522] write(3, "1000", 4)         = 4
[pid 19522] close(3)                    = 0
[pid 19522] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19522] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19522] write(4, "78", 2)           = 2
[pid 19522] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19522] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19522] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19522] exit_group(0)               = ?
[pid 19522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19522, 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 19523 attached
, child_tidptr=0x555555af35d0) = 19523
[pid 19523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19523] setpgid(0, 0)               = 0
[pid 19523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19523] write(3, "1000", 4)         = 4
[pid 19523] close(3)                    = 0
[pid 19523] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19523] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19523] write(4, "78", 2)           = 2
[pid 19523] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19523] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19523] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19523] exit_group(0)               = ?
[pid 19523] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19523, 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 19524 attached
, child_tidptr=0x555555af35d0) = 19524
[pid 19524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19524] setpgid(0, 0)               = 0
[pid 19524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19524] write(3, "1000", 4)         = 4
[pid 19524] close(3)                    = 0
[pid 19524] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19524] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19524] write(4, "78", 2)           = 2
[pid 19524] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19524] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19524] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19524] exit_group(0)               = ?
[pid 19524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19524, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19525 attached
, child_tidptr=0x555555af35d0) = 19525
[pid 19525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19525] setpgid(0, 0)               = 0
[pid 19525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19525] write(3, "1000", 4)         = 4
[pid 19525] close(3)                    = 0
[pid 19525] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19525] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19525] write(4, "78", 2)           = 2
[pid 19525] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19525] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19525] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19525] exit_group(0)               = ?
[pid 19525] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19525, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19526 attached
, child_tidptr=0x555555af35d0) = 19526
[pid 19526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19526] setpgid(0, 0)               = 0
[pid 19526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19526] write(3, "1000", 4)         = 4
[pid 19526] close(3)                    = 0
[pid 19526] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19526] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19526] write(4, "78", 2)           = 2
[pid 19526] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19526] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19526] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19526] exit_group(0)               = ?
[pid 19526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19526, 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 19527 attached
, child_tidptr=0x555555af35d0) = 19527
[pid 19527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19527] setpgid(0, 0)               = 0
[pid 19527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19527] write(3, "1000", 4)         = 4
[pid 19527] close(3)                    = 0
[pid 19527] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19527] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19527] write(4, "78", 2)           = 2
[pid 19527] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19527] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19527] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19527] exit_group(0)               = ?
[pid 19527] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19527, 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 19528 attached
, child_tidptr=0x555555af35d0) = 19528
[pid 19528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19528] setpgid(0, 0)               = 0
[pid 19528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19528] write(3, "1000", 4)         = 4
[pid 19528] close(3)                    = 0
[pid 19528] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19528] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19528] write(4, "78", 2)           = 2
[pid 19528] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19528] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19528] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19528] exit_group(0)               = ?
[pid 19528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19528, 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 19529 attached
, child_tidptr=0x555555af35d0) = 19529
[pid 19529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19529] setpgid(0, 0)               = 0
[pid 19529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19529] write(3, "1000", 4)         = 4
[pid 19529] close(3)                    = 0
[pid 19529] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19529] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19529] write(4, "78", 2)           = 2
[pid 19529] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19529] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19529] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19529] exit_group(0)               = ?
[pid 19529] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19529, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19530 attached
, child_tidptr=0x555555af35d0) = 19530
[pid 19530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19530] setpgid(0, 0)               = 0
[pid 19530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19530] write(3, "1000", 4)         = 4
[pid 19530] close(3)                    = 0
[pid 19530] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19530] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19530] write(4, "78", 2)           = 2
[pid 19530] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19530] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19530] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19530] exit_group(0)               = ?
[pid 19530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19530, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19531 attached
, child_tidptr=0x555555af35d0) = 19531
[pid 19531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19531] setpgid(0, 0)               = 0
[pid 19531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19531] write(3, "1000", 4)         = 4
[pid 19531] close(3)                    = 0
[pid 19531] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19531] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19531] write(4, "78", 2)           = 2
[pid 19531] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19531] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19531] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19531] exit_group(0)               = ?
[pid 19531] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19531, 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 19532 attached
, child_tidptr=0x555555af35d0) = 19532
[pid 19532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19532] setpgid(0, 0)               = 0
[pid 19532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19532] write(3, "1000", 4)         = 4
[pid 19532] close(3)                    = 0
[pid 19532] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19532] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19532] write(4, "78", 2)           = 2
[pid 19532] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19532] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19532] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19532] exit_group(0)               = ?
[pid 19532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19532, 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=0x555555af35d0) = 19533
./strace-static-x86_64: Process 19533 attached
[pid 19533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19533] setpgid(0, 0)               = 0
[pid 19533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19533] write(3, "1000", 4)         = 4
[pid 19533] close(3)                    = 0
[pid 19533] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19533] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19533] write(4, "78", 2)           = 2
[pid 19533] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19533] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19533] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19533] exit_group(0)               = ?
[pid 19533] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19533, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19534 attached
, child_tidptr=0x555555af35d0) = 19534
[pid 19534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19534] setpgid(0, 0)               = 0
[pid 19534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19534] write(3, "1000", 4)         = 4
[pid 19534] close(3)                    = 0
[pid 19534] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19534] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19534] write(4, "78", 2)           = 2
[pid 19534] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19534] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19534] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19534] exit_group(0)               = ?
[pid 19534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19534, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19535 attached
, child_tidptr=0x555555af35d0) = 19535
[pid 19535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19535] setpgid(0, 0)               = 0
[pid 19535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19535] write(3, "1000", 4)         = 4
[pid 19535] close(3)                    = 0
[pid 19535] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19535] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19535] write(4, "78", 2)           = 2
[pid 19535] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19535] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19535] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19535] exit_group(0)               = ?
[pid 19535] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19535, 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 19536 attached
, child_tidptr=0x555555af35d0) = 19536
[pid 19536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19536] setpgid(0, 0)               = 0
[pid 19536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19536] write(3, "1000", 4)         = 4
[pid 19536] close(3)                    = 0
[pid 19536] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19536] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19536] write(4, "78", 2)           = 2
[pid 19536] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19536] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19536] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19536] exit_group(0)               = ?
[pid 19536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19536, 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 19537 attached
, child_tidptr=0x555555af35d0) = 19537
[pid 19537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19537] setpgid(0, 0)               = 0
[pid 19537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19537] write(3, "1000", 4)         = 4
[pid 19537] close(3)                    = 0
[pid 19537] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19537] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19537] write(4, "78", 2)           = 2
[pid 19537] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19537] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19537] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19537] exit_group(0)               = ?
[pid 19537] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19537, 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 19538 attached
, child_tidptr=0x555555af35d0) = 19538
[pid 19538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19538] setpgid(0, 0)               = 0
[pid 19538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19538] write(3, "1000", 4)         = 4
[pid 19538] close(3)                    = 0
[pid 19538] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19538] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19538] write(4, "78", 2)           = 2
[pid 19538] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19538] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19538] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19538] exit_group(0)               = ?
[pid 19538] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19538, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19539 attached
, child_tidptr=0x555555af35d0) = 19539
[pid 19539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19539] setpgid(0, 0)               = 0
[pid 19539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19539] write(3, "1000", 4)         = 4
[pid 19539] close(3)                    = 0
[pid 19539] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19539] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19539] write(4, "78", 2)           = 2
[pid 19539] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19539] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19539] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19539] exit_group(0)               = ?
[pid 19539] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19539, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19540 attached
, child_tidptr=0x555555af35d0) = 19540
[pid 19540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19540] setpgid(0, 0)               = 0
[pid 19540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19540] write(3, "1000", 4)         = 4
[pid 19540] close(3)                    = 0
[pid 19540] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19540] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19540] write(4, "78", 2)           = 2
[pid 19540] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19540] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19540] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19540] exit_group(0)               = ?
[pid 19540] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19540, 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 19541 attached
, child_tidptr=0x555555af35d0) = 19541
[pid 19541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19541] setpgid(0, 0)               = 0
[pid 19541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19541] write(3, "1000", 4)         = 4
[pid 19541] close(3)                    = 0
[pid 19541] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19541] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19541] write(4, "78", 2)           = 2
[pid 19541] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19541] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19541] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19541] exit_group(0)               = ?
[pid 19541] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19541, 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 19542 attached
, child_tidptr=0x555555af35d0) = 19542
[pid 19542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19542] setpgid(0, 0)               = 0
[pid 19542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19542] write(3, "1000", 4)         = 4
[pid 19542] close(3)                    = 0
[pid 19542] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19542] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19542] write(4, "78", 2)           = 2
[pid 19542] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19542] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19542] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19542] exit_group(0)               = ?
[pid 19542] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19542, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19543 attached
, child_tidptr=0x555555af35d0) = 19543
[pid 19543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19543] setpgid(0, 0)               = 0
[pid 19543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19543] write(3, "1000", 4)         = 4
[pid 19543] close(3)                    = 0
[pid 19543] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19543] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19543] write(4, "78", 2)           = 2
[pid 19543] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19543] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19543] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19543] exit_group(0)               = ?
[pid 19543] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19543, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19544 attached
, child_tidptr=0x555555af35d0) = 19544
[pid 19544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19544] setpgid(0, 0)               = 0
[pid 19544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19544] write(3, "1000", 4)         = 4
[pid 19544] close(3)                    = 0
[pid 19544] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19544] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19544] write(4, "78", 2)           = 2
[pid 19544] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19544] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19544] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19544] exit_group(0)               = ?
[pid 19544] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19544, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19545 attached
, child_tidptr=0x555555af35d0) = 19545
[pid 19545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19545] setpgid(0, 0)               = 0
[pid 19545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19545] write(3, "1000", 4)         = 4
[pid 19545] close(3)                    = 0
[pid 19545] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19545] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19545] write(4, "78", 2)           = 2
[pid 19545] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19545] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19545] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19545] exit_group(0)               = ?
[pid 19545] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19545, 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 19546 attached
, child_tidptr=0x555555af35d0) = 19546
[pid 19546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19546] setpgid(0, 0)               = 0
[pid 19546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19546] write(3, "1000", 4)         = 4
[pid 19546] close(3)                    = 0
[pid 19546] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19546] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19546] write(4, "78", 2)           = 2
[pid 19546] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19546] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19546] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19546] exit_group(0)               = ?
[pid 19546] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19546, 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=0x555555af35d0) = 19547
./strace-static-x86_64: Process 19547 attached
[pid 19547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19547] setpgid(0, 0)               = 0
[pid 19547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19547] write(3, "1000", 4)         = 4
[pid 19547] close(3)                    = 0
[pid 19547] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19547] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19547] write(4, "78", 2)           = 2
[pid 19547] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19547] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19547] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19547] exit_group(0)               = ?
[pid 19547] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19547, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19548
./strace-static-x86_64: Process 19548 attached
[pid 19548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19548] setpgid(0, 0)               = 0
[pid 19548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19548] write(3, "1000", 4)         = 4
[pid 19548] close(3)                    = 0
[pid 19548] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19548] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19548] write(4, "78", 2)           = 2
[pid 19548] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19548] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19548] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19548] exit_group(0)               = ?
[pid 19548] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19548, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19549 attached
, child_tidptr=0x555555af35d0) = 19549
[pid 19549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19549] setpgid(0, 0)               = 0
[pid 19549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19549] write(3, "1000", 4)         = 4
[pid 19549] close(3)                    = 0
[pid 19549] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19549] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19549] write(4, "78", 2)           = 2
[pid 19549] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19549] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19549] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19549] exit_group(0)               = ?
[pid 19549] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19549, 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=0x555555af35d0) = 19550
./strace-static-x86_64: Process 19550 attached
[pid 19550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19550] setpgid(0, 0)               = 0
[pid 19550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19550] write(3, "1000", 4)         = 4
[pid 19550] close(3)                    = 0
[pid 19550] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19550] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19550] write(4, "78", 2)           = 2
[pid 19550] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19550] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19550] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19550] exit_group(0)               = ?
[pid 19550] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19550, 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 19551 attached
, child_tidptr=0x555555af35d0) = 19551
[pid 19551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19551] setpgid(0, 0)               = 0
[pid 19551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19551] write(3, "1000", 4)         = 4
[pid 19551] close(3)                    = 0
[pid 19551] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19551] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19551] write(4, "78", 2)           = 2
[pid 19551] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19551] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19551] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19551] exit_group(0)               = ?
[pid 19551] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19551, 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 19552 attached
, child_tidptr=0x555555af35d0) = 19552
[pid 19552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19552] setpgid(0, 0)               = 0
[pid 19552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19552] write(3, "1000", 4)         = 4
[pid 19552] close(3)                    = 0
[pid 19552] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19552] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19552] write(4, "78", 2)           = 2
[pid 19552] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19552] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19552] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19552] exit_group(0)               = ?
[pid 19552] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19552, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19553 attached
, child_tidptr=0x555555af35d0) = 19553
[pid 19553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19553] setpgid(0, 0)               = 0
[pid 19553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19553] write(3, "1000", 4)         = 4
[pid 19553] close(3)                    = 0
[pid 19553] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19553] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19553] write(4, "78", 2)           = 2
[pid 19553] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19553] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19553] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19553] exit_group(0)               = ?
[pid 19553] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19553, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19554 attached
, child_tidptr=0x555555af35d0) = 19554
[pid 19554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19554] setpgid(0, 0)               = 0
[pid 19554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19554] write(3, "1000", 4)         = 4
[pid 19554] close(3)                    = 0
[pid 19554] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19554] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19554] write(4, "78", 2)           = 2
[pid 19554] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19554] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19554] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19554] exit_group(0)               = ?
[pid 19554] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19554, 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 19555 attached
, child_tidptr=0x555555af35d0) = 19555
[pid 19555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19555] setpgid(0, 0)               = 0
[pid 19555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19555] write(3, "1000", 4)         = 4
[pid 19555] close(3)                    = 0
[pid 19555] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19555] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19555] write(4, "78", 2)           = 2
[pid 19555] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19555] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19555] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19555] exit_group(0)               = ?
[pid 19555] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19555, 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 19556 attached
, child_tidptr=0x555555af35d0) = 19556
[pid 19556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19556] setpgid(0, 0)               = 0
[pid 19556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19556] write(3, "1000", 4)         = 4
[pid 19556] close(3)                    = 0
[pid 19556] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19556] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19556] write(4, "78", 2)           = 2
[pid 19556] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19556] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19556] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19556] exit_group(0)               = ?
[pid 19556] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19556, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19557 attached
, child_tidptr=0x555555af35d0) = 19557
[pid 19557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19557] setpgid(0, 0)               = 0
[pid 19557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19557] write(3, "1000", 4)         = 4
[pid 19557] close(3)                    = 0
[pid 19557] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19557] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19557] write(4, "78", 2)           = 2
[pid 19557] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19557] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19557] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19557] exit_group(0)               = ?
[pid 19557] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19557, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19558 attached
, child_tidptr=0x555555af35d0) = 19558
[pid 19558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19558] setpgid(0, 0)               = 0
[pid 19558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19558] write(3, "1000", 4)         = 4
[pid 19558] close(3)                    = 0
[pid 19558] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19558] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19558] write(4, "78", 2)           = 2
[pid 19558] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19558] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19558] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19558] exit_group(0)               = ?
[pid 19558] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19558, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19559 attached
, child_tidptr=0x555555af35d0) = 19559
[pid 19559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19559] setpgid(0, 0)               = 0
[pid 19559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19559] write(3, "1000", 4)         = 4
[pid 19559] close(3)                    = 0
[pid 19559] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19559] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19559] write(4, "78", 2)           = 2
[pid 19559] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19559] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19559] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19559] exit_group(0)               = ?
[pid 19559] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19559, 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 19560 attached
, child_tidptr=0x555555af35d0) = 19560
[pid 19560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19560] setpgid(0, 0)               = 0
[pid 19560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19560] write(3, "1000", 4)         = 4
[pid 19560] close(3)                    = 0
[pid 19560] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19560] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19560] write(4, "78", 2)           = 2
[pid 19560] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19560] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19560] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19560] exit_group(0)               = ?
[pid 19560] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19560, 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 19561 attached
, child_tidptr=0x555555af35d0) = 19561
[pid 19561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19561] setpgid(0, 0)               = 0
[pid 19561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19561] write(3, "1000", 4)         = 4
[pid 19561] close(3)                    = 0
[pid 19561] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19561] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19561] write(4, "78", 2)           = 2
[pid 19561] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19561] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19561] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19561] exit_group(0)               = ?
[pid 19561] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19561, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19562
./strace-static-x86_64: Process 19562 attached
[pid 19562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19562] setpgid(0, 0)               = 0
[pid 19562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19562] write(3, "1000", 4)         = 4
[pid 19562] close(3)                    = 0
[pid 19562] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19562] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19562] write(4, "78", 2)           = 2
[pid 19562] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19562] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19562] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19562] exit_group(0)               = ?
[pid 19562] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19562, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19563 attached
, child_tidptr=0x555555af35d0) = 19563
[pid 19563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19563] setpgid(0, 0)               = 0
[pid 19563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19563] write(3, "1000", 4)         = 4
[pid 19563] close(3)                    = 0
[pid 19563] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19563] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19563] write(4, "78", 2)           = 2
[pid 19563] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19563] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19563] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19563] exit_group(0)               = ?
[pid 19563] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19563, 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 19564 attached
, child_tidptr=0x555555af35d0) = 19564
[pid 19564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19564] setpgid(0, 0)               = 0
[pid 19564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19564] write(3, "1000", 4)         = 4
[pid 19564] close(3)                    = 0
[pid 19564] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19564] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19564] write(4, "78", 2)           = 2
[pid 19564] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19564] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19564] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19564] exit_group(0)               = ?
[pid 19564] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19564, 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 19565 attached
, child_tidptr=0x555555af35d0) = 19565
[pid 19565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19565] setpgid(0, 0)               = 0
[pid 19565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19565] write(3, "1000", 4)         = 4
[pid 19565] close(3)                    = 0
[pid 19565] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19565] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19565] write(4, "78", 2)           = 2
[pid 19565] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19565] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19565] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19565] exit_group(0)               = ?
[pid 19565] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19565, 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 19566 attached
, child_tidptr=0x555555af35d0) = 19566
[pid 19566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19566] setpgid(0, 0)               = 0
[pid 19566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19566] write(3, "1000", 4)         = 4
[pid 19566] close(3)                    = 0
[pid 19566] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19566] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19566] write(4, "78", 2)           = 2
[pid 19566] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19566] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19566] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19566] exit_group(0)               = ?
[pid 19566] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19566, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19567 attached
, child_tidptr=0x555555af35d0) = 19567
[pid 19567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19567] setpgid(0, 0)               = 0
[pid 19567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19567] write(3, "1000", 4)         = 4
[pid 19567] close(3)                    = 0
[pid 19567] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19567] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19567] write(4, "78", 2)           = 2
[pid 19567] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19567] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19567] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19567] exit_group(0)               = ?
[pid 19567] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19567, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19568 attached
, child_tidptr=0x555555af35d0) = 19568
[pid 19568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19568] setpgid(0, 0)               = 0
[pid 19568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19568] write(3, "1000", 4)         = 4
[pid 19568] close(3)                    = 0
[pid 19568] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19568] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19568] write(4, "78", 2)           = 2
[pid 19568] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19568] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19568] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19568] exit_group(0)               = ?
[pid 19568] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19568, 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 19569 attached
, child_tidptr=0x555555af35d0) = 19569
[pid 19569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19569] setpgid(0, 0)               = 0
[pid 19569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19569] write(3, "1000", 4)         = 4
[pid 19569] close(3)                    = 0
[pid 19569] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19569] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19569] write(4, "78", 2)           = 2
[pid 19569] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19569] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19569] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19569] exit_group(0)               = ?
[pid 19569] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19569, 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 19570 attached
, child_tidptr=0x555555af35d0) = 19570
[pid 19570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19570] setpgid(0, 0)               = 0
[pid 19570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19570] write(3, "1000", 4)         = 4
[pid 19570] close(3)                    = 0
[pid 19570] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19570] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19570] write(4, "78", 2)           = 2
[pid 19570] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19570] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19570] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19570] exit_group(0)               = ?
[pid 19570] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19570, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19571 attached
, child_tidptr=0x555555af35d0) = 19571
[pid 19571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19571] setpgid(0, 0)               = 0
[pid 19571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19571] write(3, "1000", 4)         = 4
[pid 19571] close(3)                    = 0
[pid 19571] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19571] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19571] write(4, "78", 2)           = 2
[pid 19571] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19571] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19571] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19571] exit_group(0)               = ?
[pid 19571] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19571, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19572 attached
, child_tidptr=0x555555af35d0) = 19572
[pid 19572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19572] setpgid(0, 0)               = 0
[pid 19572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19572] write(3, "1000", 4)         = 4
[pid 19572] close(3)                    = 0
[pid 19572] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19572] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19572] write(4, "78", 2)           = 2
[pid 19572] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19572] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19572] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19572] exit_group(0)               = ?
[pid 19572] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19572, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19573 attached
, child_tidptr=0x555555af35d0) = 19573
[pid 19573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19573] setpgid(0, 0)               = 0
[pid 19573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19573] write(3, "1000", 4)         = 4
[pid 19573] close(3)                    = 0
[pid 19573] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19573] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19573] write(4, "78", 2)           = 2
[pid 19573] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19573] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19573] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19573] exit_group(0)               = ?
[pid 19573] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19573, 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 19574 attached
, child_tidptr=0x555555af35d0) = 19574
[pid 19574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19574] setpgid(0, 0)               = 0
[pid 19574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19574] write(3, "1000", 4)         = 4
[pid 19574] close(3)                    = 0
[pid 19574] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19574] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19574] write(4, "78", 2)           = 2
[pid 19574] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19574] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19574] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19574] exit_group(0)               = ?
[pid 19574] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19574, 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 19575 attached
, child_tidptr=0x555555af35d0) = 19575
[pid 19575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19575] setpgid(0, 0)               = 0
[pid 19575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19575] write(3, "1000", 4)         = 4
[pid 19575] close(3)                    = 0
[pid 19575] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19575] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19575] write(4, "78", 2)           = 2
[pid 19575] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19575] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19575] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19575] exit_group(0)               = ?
[pid 19575] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19575, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19576 attached
, child_tidptr=0x555555af35d0) = 19576
[pid 19576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19576] setpgid(0, 0)               = 0
[pid 19576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19576] write(3, "1000", 4)         = 4
[pid 19576] close(3)                    = 0
[pid 19576] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19576] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19576] write(4, "78", 2)           = 2
[pid 19576] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19576] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19576] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19576] exit_group(0)               = ?
[pid 19576] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19576, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19577 attached
, child_tidptr=0x555555af35d0) = 19577
[pid 19577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19577] setpgid(0, 0)               = 0
[pid 19577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19577] write(3, "1000", 4)         = 4
[pid 19577] close(3)                    = 0
[pid 19577] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19577] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19577] write(4, "78", 2)           = 2
[pid 19577] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19577] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19577] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19577] exit_group(0)               = ?
[pid 19577] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19577, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19578 attached
, child_tidptr=0x555555af35d0) = 19578
[pid 19578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19578] setpgid(0, 0)               = 0
[pid 19578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19578] write(3, "1000", 4)         = 4
[pid 19578] close(3)                    = 0
[pid 19578] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19578] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19578] write(4, "78", 2)           = 2
[pid 19578] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19578] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19578] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19578] exit_group(0)               = ?
[pid 19578] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19578, 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 19579 attached
, child_tidptr=0x555555af35d0) = 19579
[pid 19579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19579] setpgid(0, 0)               = 0
[pid 19579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19579] write(3, "1000", 4)         = 4
[pid 19579] close(3)                    = 0
[pid 19579] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19579] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19579] write(4, "78", 2)           = 2
[pid 19579] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19579] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19579] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19579] exit_group(0)               = ?
[pid 19579] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19579, 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 19580 attached
, child_tidptr=0x555555af35d0) = 19580
[pid 19580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19580] setpgid(0, 0)               = 0
[pid 19580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19580] write(3, "1000", 4)         = 4
[pid 19580] close(3)                    = 0
[pid 19580] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19580] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19580] write(4, "78", 2)           = 2
[pid 19580] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19580] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19580] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19580] exit_group(0)               = ?
[pid 19580] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19580, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19581 attached
, child_tidptr=0x555555af35d0) = 19581
[pid 19581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19581] setpgid(0, 0)               = 0
[pid 19581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19581] write(3, "1000", 4)         = 4
[pid 19581] close(3)                    = 0
[pid 19581] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19581] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19581] write(4, "78", 2)           = 2
[pid 19581] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19581] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19581] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19581] exit_group(0)               = ?
[pid 19581] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19581, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19582 attached
, child_tidptr=0x555555af35d0) = 19582
[pid 19582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19582] setpgid(0, 0)               = 0
[pid 19582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19582] write(3, "1000", 4)         = 4
[pid 19582] close(3)                    = 0
[pid 19582] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19582] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19582] write(4, "78", 2)           = 2
[pid 19582] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19582] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19582] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19582] exit_group(0)               = ?
[pid 19582] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19582, 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 19583 attached
, child_tidptr=0x555555af35d0) = 19583
[pid 19583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19583] setpgid(0, 0)               = 0
[pid 19583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19583] write(3, "1000", 4)         = 4
[pid 19583] close(3)                    = 0
[pid 19583] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19583] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19583] write(4, "78", 2)           = 2
[pid 19583] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19583] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19583] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19583] exit_group(0)               = ?
[pid 19583] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19583, 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=0x555555af35d0) = 19584
./strace-static-x86_64: Process 19584 attached
[pid 19584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19584] setpgid(0, 0)               = 0
[pid 19584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19584] write(3, "1000", 4)         = 4
[pid 19584] close(3)                    = 0
[pid 19584] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19584] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19584] write(4, "78", 2)           = 2
[pid 19584] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19584] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19584] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19584] exit_group(0)               = ?
[pid 19584] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19584, 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=0x555555af35d0) = 19585
./strace-static-x86_64: Process 19585 attached
[pid 19585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19585] setpgid(0, 0)               = 0
[pid 19585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19585] write(3, "1000", 4)         = 4
[pid 19585] close(3)                    = 0
[pid 19585] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19585] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19585] write(4, "78", 2)           = 2
[pid 19585] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19585] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19585] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19585] exit_group(0)               = ?
[pid 19585] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19585, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19586
./strace-static-x86_64: Process 19586 attached
[pid 19586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19586] setpgid(0, 0)               = 0
[pid 19586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19586] write(3, "1000", 4)         = 4
[pid 19586] close(3)                    = 0
[pid 19586] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19586] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19586] write(4, "78", 2)           = 2
[pid 19586] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19586] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19586] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19586] exit_group(0)               = ?
[pid 19586] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19586, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19587
./strace-static-x86_64: Process 19587 attached
[pid 19587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19587] setpgid(0, 0)               = 0
[pid 19587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19587] write(3, "1000", 4)         = 4
[pid 19587] close(3)                    = 0
[pid 19587] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19587] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19587] write(4, "78", 2)           = 2
[pid 19587] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19587] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19587] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19587] exit_group(0)               = ?
[pid 19587] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19587, 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 19588 attached
, child_tidptr=0x555555af35d0) = 19588
[pid 19588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19588] setpgid(0, 0)               = 0
[pid 19588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19588] write(3, "1000", 4)         = 4
[pid 19588] close(3)                    = 0
[pid 19588] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19588] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19588] write(4, "78", 2)           = 2
[pid 19588] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19588] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19588] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19588] exit_group(0)               = ?
[pid 19588] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19588, 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 19589 attached
, child_tidptr=0x555555af35d0) = 19589
[pid 19589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19589] setpgid(0, 0)               = 0
[pid 19589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19589] write(3, "1000", 4)         = 4
[pid 19589] close(3)                    = 0
[pid 19589] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19589] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19589] write(4, "78", 2)           = 2
[pid 19589] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19589] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19589] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19589] exit_group(0)               = ?
[pid 19589] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19589, 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 19590 attached
, child_tidptr=0x555555af35d0) = 19590
[pid 19590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19590] setpgid(0, 0)               = 0
[pid 19590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19590] write(3, "1000", 4)         = 4
[pid 19590] close(3)                    = 0
[pid 19590] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19590] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19590] write(4, "78", 2)           = 2
[pid 19590] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19590] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19590] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19590] exit_group(0)               = ?
[pid 19590] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19590, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19591 attached
, child_tidptr=0x555555af35d0) = 19591
[pid 19591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19591] setpgid(0, 0)               = 0
[pid 19591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19591] write(3, "1000", 4)         = 4
[pid 19591] close(3)                    = 0
[pid 19591] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19591] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19591] write(4, "78", 2)           = 2
[pid 19591] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19591] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19591] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19591] exit_group(0)               = ?
[pid 19591] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19591, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19592 attached
, child_tidptr=0x555555af35d0) = 19592
[pid 19592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19592] setpgid(0, 0)               = 0
[pid 19592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19592] write(3, "1000", 4)         = 4
[pid 19592] close(3)                    = 0
[pid 19592] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19592] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19592] write(4, "78", 2)           = 2
[pid 19592] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19592] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19592] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19592] exit_group(0)               = ?
[pid 19592] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19592, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19593
./strace-static-x86_64: Process 19593 attached
[pid 19593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19593] setpgid(0, 0)               = 0
[pid 19593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19593] write(3, "1000", 4)         = 4
[pid 19593] close(3)                    = 0
[pid 19593] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19593] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19593] write(4, "78", 2)           = 2
[pid 19593] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19593] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19593] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19593] exit_group(0)               = ?
[pid 19593] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19593, 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 19594 attached
, child_tidptr=0x555555af35d0) = 19594
[pid 19594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19594] setpgid(0, 0)               = 0
[pid 19594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19594] write(3, "1000", 4)         = 4
[pid 19594] close(3)                    = 0
[pid 19594] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19594] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19594] write(4, "78", 2)           = 2
[pid 19594] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19594] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19594] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19594] exit_group(0)               = ?
[pid 19594] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19594, 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 19595 attached
, child_tidptr=0x555555af35d0) = 19595
[pid 19595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19595] setpgid(0, 0)               = 0
[pid 19595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19595] write(3, "1000", 4)         = 4
[pid 19595] close(3)                    = 0
[pid 19595] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19595] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19595] write(4, "78", 2)           = 2
[pid 19595] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19595] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19595] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19595] exit_group(0)               = ?
[pid 19595] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19595, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19596
./strace-static-x86_64: Process 19596 attached
[pid 19596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19596] setpgid(0, 0)               = 0
[pid 19596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19596] write(3, "1000", 4)         = 4
[pid 19596] close(3)                    = 0
[pid 19596] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19596] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19596] write(4, "78", 2)           = 2
[pid 19596] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19596] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19596] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19596] exit_group(0)               = ?
[pid 19596] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19596, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19597
./strace-static-x86_64: Process 19597 attached
[pid 19597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19597] setpgid(0, 0)               = 0
[pid 19597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19597] write(3, "1000", 4)         = 4
[pid 19597] close(3)                    = 0
[pid 19597] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19597] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19597] write(4, "78", 2)           = 2
[pid 19597] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19597] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19597] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19597] exit_group(0)               = ?
[pid 19597] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19597, 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 19598 attached
, child_tidptr=0x555555af35d0) = 19598
[pid 19598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19598] setpgid(0, 0)               = 0
[pid 19598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19598] write(3, "1000", 4)         = 4
[pid 19598] close(3)                    = 0
[pid 19598] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19598] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19598] write(4, "78", 2)           = 2
[pid 19598] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19598] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19598] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19598] exit_group(0)               = ?
[pid 19598] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19598, 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 19599 attached
, child_tidptr=0x555555af35d0) = 19599
[pid 19599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19599] setpgid(0, 0)               = 0
[pid 19599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19599] write(3, "1000", 4)         = 4
[pid 19599] close(3)                    = 0
[pid 19599] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19599] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19599] write(4, "78", 2)           = 2
[pid 19599] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19599] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19599] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19599] exit_group(0)               = ?
[pid 19599] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19599, 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=0x555555af35d0) = 19600
./strace-static-x86_64: Process 19600 attached
[pid 19600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19600] setpgid(0, 0)               = 0
[pid 19600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19600] write(3, "1000", 4)         = 4
[pid 19600] close(3)                    = 0
[pid 19600] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19600] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19600] write(4, "78", 2)           = 2
[pid 19600] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19600] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19600] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19600] exit_group(0)               = ?
[pid 19600] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19600, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19601 attached
, child_tidptr=0x555555af35d0) = 19601
[pid 19601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19601] setpgid(0, 0)               = 0
[pid 19601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19601] write(3, "1000", 4)         = 4
[pid 19601] close(3)                    = 0
[pid 19601] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19601] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19601] write(4, "78", 2)           = 2
[pid 19601] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19601] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19601] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19601] exit_group(0)               = ?
[pid 19601] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19601, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19602 attached
, child_tidptr=0x555555af35d0) = 19602
[pid 19602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19602] setpgid(0, 0)               = 0
[pid 19602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19602] write(3, "1000", 4)         = 4
[pid 19602] close(3)                    = 0
[pid 19602] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19602] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19602] write(4, "78", 2)           = 2
[pid 19602] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19602] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19602] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19602] exit_group(0)               = ?
[pid 19602] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19602, 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 19603 attached
, child_tidptr=0x555555af35d0) = 19603
[pid 19603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19603] setpgid(0, 0)               = 0
[pid 19603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19603] write(3, "1000", 4)         = 4
[pid 19603] close(3)                    = 0
[pid 19603] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19603] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19603] write(4, "78", 2)           = 2
[pid 19603] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19603] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19603] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19603] exit_group(0)               = ?
[pid 19603] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19603, 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 19604 attached
, child_tidptr=0x555555af35d0) = 19604
[pid 19604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19604] setpgid(0, 0)               = 0
[pid 19604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19604] write(3, "1000", 4)         = 4
[pid 19604] close(3)                    = 0
[pid 19604] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19604] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19604] write(4, "78", 2)           = 2
[pid 19604] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19604] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19604] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19604] exit_group(0)               = ?
[pid 19604] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19604, 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 19605 attached
, child_tidptr=0x555555af35d0) = 19605
[pid 19605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19605] setpgid(0, 0)               = 0
[pid 19605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19605] write(3, "1000", 4)         = 4
[pid 19605] close(3)                    = 0
[pid 19605] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19605] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19605] write(4, "78", 2)           = 2
[pid 19605] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19605] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19605] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19605] exit_group(0)               = ?
[pid 19605] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19605, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19606
./strace-static-x86_64: Process 19606 attached
[pid 19606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19606] setpgid(0, 0)               = 0
[pid 19606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19606] write(3, "1000", 4)         = 4
[pid 19606] close(3)                    = 0
[pid 19606] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19606] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19606] write(4, "78", 2)           = 2
[pid 19606] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19606] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19606] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19606] exit_group(0)               = ?
[pid 19606] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19606, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19607 attached
, child_tidptr=0x555555af35d0) = 19607
[pid 19607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19607] setpgid(0, 0)               = 0
[pid 19607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19607] write(3, "1000", 4)         = 4
[pid 19607] close(3)                    = 0
[pid 19607] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19607] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19607] write(4, "78", 2)           = 2
[pid 19607] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19607] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19607] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19607] exit_group(0)               = ?
[pid 19607] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19607, 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 19608 attached
, child_tidptr=0x555555af35d0) = 19608
[pid 19608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19608] setpgid(0, 0)               = 0
[pid 19608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19608] write(3, "1000", 4)         = 4
[pid 19608] close(3)                    = 0
[pid 19608] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19608] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19608] write(4, "78", 2)           = 2
[pid 19608] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19608] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19608] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19608] exit_group(0)               = ?
[pid 19608] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19608, 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 19609 attached
, child_tidptr=0x555555af35d0) = 19609
[pid 19609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19609] setpgid(0, 0)               = 0
[pid 19609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19609] write(3, "1000", 4)         = 4
[pid 19609] close(3)                    = 0
[pid 19609] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19609] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19609] write(4, "78", 2)           = 2
[pid 19609] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19609] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19609] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19609] exit_group(0)               = ?
[pid 19609] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19609, 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=0x555555af35d0) = 19610
./strace-static-x86_64: Process 19610 attached
[pid 19610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19610] setpgid(0, 0)               = 0
[pid 19610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19610] write(3, "1000", 4)         = 4
[pid 19610] close(3)                    = 0
[pid 19610] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19610] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19610] write(4, "78", 2)           = 2
[pid 19610] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19610] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19610] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19610] exit_group(0)               = ?
[pid 19610] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19610, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19611 attached
, child_tidptr=0x555555af35d0) = 19611
[pid 19611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19611] setpgid(0, 0)               = 0
[pid 19611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19611] write(3, "1000", 4)         = 4
[pid 19611] close(3)                    = 0
[pid 19611] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19611] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19611] write(4, "78", 2)           = 2
[pid 19611] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19611] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19611] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19611] exit_group(0)               = ?
[pid 19611] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19611, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19612 attached
, child_tidptr=0x555555af35d0) = 19612
[pid 19612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19612] setpgid(0, 0)               = 0
[pid 19612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19612] write(3, "1000", 4)         = 4
[pid 19612] close(3)                    = 0
[pid 19612] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19612] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19612] write(4, "78", 2)           = 2
[pid 19612] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19612] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19612] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19612] exit_group(0)               = ?
[pid 19612] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19612, 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 19613 attached
, child_tidptr=0x555555af35d0) = 19613
[pid 19613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19613] setpgid(0, 0)               = 0
[pid 19613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19613] write(3, "1000", 4)         = 4
[pid 19613] close(3)                    = 0
[pid 19613] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19613] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19613] write(4, "78", 2)           = 2
[pid 19613] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19613] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19613] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19613] exit_group(0)               = ?
[pid 19613] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19613, 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 19614 attached
, child_tidptr=0x555555af35d0) = 19614
[pid 19614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19614] setpgid(0, 0)               = 0
[pid 19614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19614] write(3, "1000", 4)         = 4
[pid 19614] close(3)                    = 0
[pid 19614] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19614] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19614] write(4, "78", 2)           = 2
[pid 19614] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19614] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19614] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19614] exit_group(0)               = ?
[pid 19614] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19614, 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 19615 attached
, child_tidptr=0x555555af35d0) = 19615
[pid 19615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19615] setpgid(0, 0)               = 0
[pid 19615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19615] write(3, "1000", 4)         = 4
[pid 19615] close(3)                    = 0
[pid 19615] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19615] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19615] write(4, "78", 2)           = 2
[pid 19615] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19615] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19615] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19615] exit_group(0)               = ?
[pid 19615] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19615, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19616
./strace-static-x86_64: Process 19616 attached
[pid 19616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19616] setpgid(0, 0)               = 0
[pid 19616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19616] write(3, "1000", 4)         = 4
[pid 19616] close(3)                    = 0
[pid 19616] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19616] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19616] write(4, "78", 2)           = 2
[pid 19616] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19616] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19616] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19616] exit_group(0)               = ?
[pid 19616] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19616, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19617 attached
, child_tidptr=0x555555af35d0) = 19617
[pid 19617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19617] setpgid(0, 0)               = 0
[pid 19617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19617] write(3, "1000", 4)         = 4
[pid 19617] close(3)                    = 0
[pid 19617] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19617] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19617] write(4, "78", 2)           = 2
[pid 19617] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19617] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19617] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19617] exit_group(0)               = ?
[pid 19617] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19617, 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 19618 attached
, child_tidptr=0x555555af35d0) = 19618
[pid 19618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19618] setpgid(0, 0)               = 0
[pid 19618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19618] write(3, "1000", 4)         = 4
[pid 19618] close(3)                    = 0
[pid 19618] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19618] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19618] write(4, "78", 2)           = 2
[pid 19618] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19618] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19618] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19618] exit_group(0)               = ?
[pid 19618] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19618, 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 19619 attached
, child_tidptr=0x555555af35d0) = 19619
[pid 19619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19619] setpgid(0, 0)               = 0
[pid 19619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19619] write(3, "1000", 4)         = 4
[pid 19619] close(3)                    = 0
[pid 19619] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19619] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19619] write(4, "78", 2)           = 2
[pid 19619] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19619] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19619] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19619] exit_group(0)               = ?
[pid 19619] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19619, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19620 attached
, child_tidptr=0x555555af35d0) = 19620
[pid 19620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19620] setpgid(0, 0)               = 0
[pid 19620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19620] write(3, "1000", 4)         = 4
[pid 19620] close(3)                    = 0
[pid 19620] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19620] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19620] write(4, "78", 2)           = 2
[pid 19620] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19620] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19620] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19620] exit_group(0)               = ?
[pid 19620] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19620, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19621 attached
, child_tidptr=0x555555af35d0) = 19621
[pid 19621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19621] setpgid(0, 0)               = 0
[pid 19621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19621] write(3, "1000", 4)         = 4
[pid 19621] close(3)                    = 0
[pid 19621] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19621] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19621] write(4, "78", 2)           = 2
[pid 19621] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19621] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19621] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19621] exit_group(0)               = ?
[pid 19621] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19621, 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 19622 attached
, child_tidptr=0x555555af35d0) = 19622
[pid 19622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19622] setpgid(0, 0)               = 0
[pid 19622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19622] write(3, "1000", 4)         = 4
[pid 19622] close(3)                    = 0
[pid 19622] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19622] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19622] write(4, "78", 2)           = 2
[pid 19622] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19622] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19622] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19622] exit_group(0)               = ?
[pid 19622] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19622, 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 19623 attached
, child_tidptr=0x555555af35d0) = 19623
[pid 19623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19623] setpgid(0, 0)               = 0
[pid 19623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19623] write(3, "1000", 4)         = 4
[pid 19623] close(3)                    = 0
[pid 19623] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19623] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19623] write(4, "78", 2)           = 2
[pid 19623] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19623] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19623] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19623] exit_group(0)               = ?
[pid 19623] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19623, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19624 attached
, child_tidptr=0x555555af35d0) = 19624
[pid 19624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19624] setpgid(0, 0)               = 0
[pid 19624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19624] write(3, "1000", 4)         = 4
[pid 19624] close(3)                    = 0
[pid 19624] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19624] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19624] write(4, "78", 2)           = 2
[pid 19624] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19624] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19624] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19624] exit_group(0)               = ?
[pid 19624] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19624, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19625
./strace-static-x86_64: Process 19625 attached
[pid 19625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19625] setpgid(0, 0)               = 0
[pid 19625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19625] write(3, "1000", 4)         = 4
[pid 19625] close(3)                    = 0
[pid 19625] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19625] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19625] write(4, "78", 2)           = 2
[pid 19625] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19625] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19625] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19625] exit_group(0)               = ?
[pid 19625] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19625, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19626 attached
, child_tidptr=0x555555af35d0) = 19626
[pid 19626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19626] setpgid(0, 0)               = 0
[pid 19626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19626] write(3, "1000", 4)         = 4
[pid 19626] close(3)                    = 0
[pid 19626] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19626] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19626] write(4, "78", 2)           = 2
[pid 19626] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19626] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19626] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19626] exit_group(0)               = ?
[pid 19626] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19626, 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 19627 attached
, child_tidptr=0x555555af35d0) = 19627
[pid 19627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19627] setpgid(0, 0)               = 0
[pid 19627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19627] write(3, "1000", 4)         = 4
[pid 19627] close(3)                    = 0
[pid 19627] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19627] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19627] write(4, "78", 2)           = 2
[pid 19627] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19627] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19627] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19627] exit_group(0)               = ?
[pid 19627] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19627, 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=0x555555af35d0) = 19628
./strace-static-x86_64: Process 19628 attached
[pid 19628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19628] setpgid(0, 0)               = 0
[pid 19628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19628] write(3, "1000", 4)         = 4
[pid 19628] close(3)                    = 0
[pid 19628] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19628] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19628] write(4, "78", 2)           = 2
[pid 19628] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19628] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19628] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19628] exit_group(0)               = ?
[pid 19628] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19628, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19629
./strace-static-x86_64: Process 19629 attached
[pid 19629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19629] setpgid(0, 0)               = 0
[pid 19629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19629] write(3, "1000", 4)         = 4
[pid 19629] close(3)                    = 0
[pid 19629] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19629] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19629] write(4, "78", 2)           = 2
[pid 19629] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19629] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19629] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19629] exit_group(0)               = ?
[pid 19629] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19629, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19630 attached
, child_tidptr=0x555555af35d0) = 19630
[pid 19630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19630] setpgid(0, 0)               = 0
[pid 19630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19630] write(3, "1000", 4)         = 4
[pid 19630] close(3)                    = 0
[pid 19630] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19630] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19630] write(4, "78", 2)           = 2
[pid 19630] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19630] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19630] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19630] exit_group(0)               = ?
[pid 19630] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19630, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19631
./strace-static-x86_64: Process 19631 attached
[pid 19631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19631] setpgid(0, 0)               = 0
[pid 19631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19631] write(3, "1000", 4)         = 4
[pid 19631] close(3)                    = 0
[pid 19631] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19631] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19631] write(4, "78", 2)           = 2
[pid 19631] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19631] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19631] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19631] exit_group(0)               = ?
[pid 19631] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19631, 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 19632 attached
, child_tidptr=0x555555af35d0) = 19632
[pid 19632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19632] setpgid(0, 0)               = 0
[pid 19632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19632] write(3, "1000", 4)         = 4
[pid 19632] close(3)                    = 0
[pid 19632] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19632] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19632] write(4, "78", 2)           = 2
[pid 19632] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19632] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19632] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19632] exit_group(0)               = ?
[pid 19632] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19632, 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 19633 attached
, child_tidptr=0x555555af35d0) = 19633
[pid 19633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19633] setpgid(0, 0)               = 0
[pid 19633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19633] write(3, "1000", 4)         = 4
[pid 19633] close(3)                    = 0
[pid 19633] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19633] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19633] write(4, "78", 2)           = 2
[pid 19633] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19633] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19633] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19633] exit_group(0)               = ?
[pid 19633] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19633, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19634 attached
, child_tidptr=0x555555af35d0) = 19634
[pid 19634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19634] setpgid(0, 0)               = 0
[pid 19634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19634] write(3, "1000", 4)         = 4
[pid 19634] close(3)                    = 0
[pid 19634] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19634] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19634] write(4, "78", 2)           = 2
[pid 19634] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19634] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19634] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19634] exit_group(0)               = ?
[pid 19634] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19634, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19635 attached
, child_tidptr=0x555555af35d0) = 19635
[pid 19635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19635] setpgid(0, 0)               = 0
[pid 19635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19635] write(3, "1000", 4)         = 4
[pid 19635] close(3)                    = 0
[pid 19635] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19635] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19635] write(4, "78", 2)           = 2
[pid 19635] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19635] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19635] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19635] exit_group(0)               = ?
[pid 19635] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19635, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19636 attached
, child_tidptr=0x555555af35d0) = 19636
[pid 19636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19636] setpgid(0, 0)               = 0
[pid 19636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19636] write(3, "1000", 4)         = 4
[pid 19636] close(3)                    = 0
[pid 19636] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19636] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19636] write(4, "78", 2)           = 2
[pid 19636] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19636] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19636] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19636] exit_group(0)               = ?
[pid 19636] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19636, 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=0x555555af35d0) = 19637
./strace-static-x86_64: Process 19637 attached
[pid 19637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19637] setpgid(0, 0)               = 0
[pid 19637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19637] write(3, "1000", 4)         = 4
[pid 19637] close(3)                    = 0
[pid 19637] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19637] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19637] write(4, "78", 2)           = 2
[pid 19637] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19637] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19637] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19637] exit_group(0)               = ?
[pid 19637] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19637, 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 19638 attached
, child_tidptr=0x555555af35d0) = 19638
[pid 19638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19638] setpgid(0, 0)               = 0
[pid 19638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19638] write(3, "1000", 4)         = 4
[pid 19638] close(3)                    = 0
[pid 19638] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19638] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19638] write(4, "78", 2)           = 2
[pid 19638] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19638] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19638] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19638] exit_group(0)               = ?
[pid 19638] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19638, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19639 attached
, child_tidptr=0x555555af35d0) = 19639
[pid 19639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19639] setpgid(0, 0)               = 0
[pid 19639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19639] write(3, "1000", 4)         = 4
[pid 19639] close(3)                    = 0
[pid 19639] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19639] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19639] write(4, "78", 2)           = 2
[pid 19639] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19639] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19639] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19639] exit_group(0)               = ?
[pid 19639] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19639, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19640
./strace-static-x86_64: Process 19640 attached
[pid 19640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19640] setpgid(0, 0)               = 0
[pid 19640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19640] write(3, "1000", 4)         = 4
[pid 19640] close(3)                    = 0
[pid 19640] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19640] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19640] write(4, "78", 2)           = 2
[pid 19640] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19640] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19640] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19640] exit_group(0)               = ?
[pid 19640] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19640, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19641 attached
, child_tidptr=0x555555af35d0) = 19641
[pid 19641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19641] setpgid(0, 0)               = 0
[pid 19641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19641] write(3, "1000", 4)         = 4
[pid 19641] close(3)                    = 0
[pid 19641] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19641] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19641] write(4, "78", 2)           = 2
[pid 19641] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19641] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19641] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19641] exit_group(0)               = ?
[pid 19641] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19641, 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 19642 attached
, child_tidptr=0x555555af35d0) = 19642
[pid 19642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19642] setpgid(0, 0)               = 0
[pid 19642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19642] write(3, "1000", 4)         = 4
[pid 19642] close(3)                    = 0
[pid 19642] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19642] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19642] write(4, "78", 2)           = 2
[pid 19642] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19642] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19642] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19642] exit_group(0)               = ?
[pid 19642] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19642, 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 19643 attached
, child_tidptr=0x555555af35d0) = 19643
[pid 19643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19643] setpgid(0, 0)               = 0
[pid 19643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19643] write(3, "1000", 4)         = 4
[pid 19643] close(3)                    = 0
[pid 19643] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19643] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19643] write(4, "78", 2)           = 2
[pid 19643] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19643] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19643] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19643] exit_group(0)               = ?
[pid 19643] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19643, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19644 attached
, child_tidptr=0x555555af35d0) = 19644
[pid 19644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19644] setpgid(0, 0)               = 0
[pid 19644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19644] write(3, "1000", 4)         = 4
[pid 19644] close(3)                    = 0
[pid 19644] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19644] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19644] write(4, "78", 2)           = 2
[pid 19644] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19644] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19644] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19644] exit_group(0)               = ?
[pid 19644] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19644, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19645 attached
, child_tidptr=0x555555af35d0) = 19645
[pid 19645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19645] setpgid(0, 0)               = 0
[pid 19645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19645] write(3, "1000", 4)         = 4
[pid 19645] close(3)                    = 0
[pid 19645] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19645] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19645] write(4, "78", 2)           = 2
[pid 19645] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19645] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19645] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19645] exit_group(0)               = ?
[pid 19645] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19645, 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 19646 attached
, child_tidptr=0x555555af35d0) = 19646
[pid 19646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19646] setpgid(0, 0)               = 0
[pid 19646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19646] write(3, "1000", 4)         = 4
[pid 19646] close(3)                    = 0
[pid 19646] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19646] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19646] write(4, "78", 2)           = 2
[pid 19646] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19646] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19646] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19646] exit_group(0)               = ?
[pid 19646] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19646, 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 19647 attached
, child_tidptr=0x555555af35d0) = 19647
[pid 19647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19647] setpgid(0, 0)               = 0
[pid 19647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19647] write(3, "1000", 4)         = 4
[pid 19647] close(3)                    = 0
[pid 19647] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19647] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19647] write(4, "78", 2)           = 2
[pid 19647] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19647] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19647] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19647] exit_group(0)               = ?
[pid 19647] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19647, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19648 attached
, child_tidptr=0x555555af35d0) = 19648
[pid 19648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19648] setpgid(0, 0)               = 0
[pid 19648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19648] write(3, "1000", 4)         = 4
[pid 19648] close(3)                    = 0
[pid 19648] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19648] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19648] write(4, "78", 2)           = 2
[pid 19648] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19648] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19648] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19648] exit_group(0)               = ?
[pid 19648] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19648, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19649 attached
, child_tidptr=0x555555af35d0) = 19649
[pid 19649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19649] setpgid(0, 0)               = 0
[pid 19649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19649] write(3, "1000", 4)         = 4
[pid 19649] close(3)                    = 0
[pid 19649] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19649] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19649] write(4, "78", 2)           = 2
[pid 19649] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19649] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19649] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19649] exit_group(0)               = ?
[pid 19649] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19649, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19650 attached
, child_tidptr=0x555555af35d0) = 19650
[pid 19650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19650] setpgid(0, 0)               = 0
[pid 19650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19650] write(3, "1000", 4)         = 4
[pid 19650] close(3)                    = 0
[pid 19650] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19650] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19650] write(4, "78", 2)           = 2
[pid 19650] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19650] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19650] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19650] exit_group(0)               = ?
[pid 19650] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19650, 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 19651 attached
, child_tidptr=0x555555af35d0) = 19651
[pid 19651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19651] setpgid(0, 0)               = 0
[pid 19651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19651] write(3, "1000", 4)         = 4
[pid 19651] close(3)                    = 0
[pid 19651] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19651] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19651] write(4, "78", 2)           = 2
[pid 19651] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19651] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19651] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19651] exit_group(0)               = ?
[pid 19651] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19651, 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 19652 attached
, child_tidptr=0x555555af35d0) = 19652
[pid 19652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19652] setpgid(0, 0)               = 0
[pid 19652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19652] write(3, "1000", 4)         = 4
[pid 19652] close(3)                    = 0
[pid 19652] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19652] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19652] write(4, "78", 2)           = 2
[pid 19652] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19652] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19652] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19652] exit_group(0)               = ?
[pid 19652] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19652, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19653
./strace-static-x86_64: Process 19653 attached
[pid 19653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19653] setpgid(0, 0)               = 0
[pid 19653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19653] write(3, "1000", 4)         = 4
[pid 19653] close(3)                    = 0
[pid 19653] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19653] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19653] write(4, "78", 2)           = 2
[pid 19653] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19653] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19653] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19653] exit_group(0)               = ?
[pid 19653] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19653, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19654
./strace-static-x86_64: Process 19654 attached
[pid 19654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19654] setpgid(0, 0)               = 0
[pid 19654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19654] write(3, "1000", 4)         = 4
[pid 19654] close(3)                    = 0
[pid 19654] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19654] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19654] write(4, "78", 2)           = 2
[pid 19654] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19654] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19654] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19654] exit_group(0)               = ?
[pid 19654] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19654, 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 19655 attached
, child_tidptr=0x555555af35d0) = 19655
[pid 19655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19655] setpgid(0, 0)               = 0
[pid 19655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19655] write(3, "1000", 4)         = 4
[pid 19655] close(3)                    = 0
[pid 19655] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19655] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19655] write(4, "78", 2)           = 2
[pid 19655] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19655] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19655] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19655] exit_group(0)               = ?
[pid 19655] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19655, 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 19656 attached
, child_tidptr=0x555555af35d0) = 19656
[pid 19656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19656] setpgid(0, 0)               = 0
[pid 19656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19656] write(3, "1000", 4)         = 4
[pid 19656] close(3)                    = 0
[pid 19656] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19656] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19656] write(4, "78", 2)           = 2
[pid 19656] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19656] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19656] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19656] exit_group(0)               = ?
[pid 19656] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19656, 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 19657 attached
, child_tidptr=0x555555af35d0) = 19657
[pid 19657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19657] setpgid(0, 0)               = 0
[pid 19657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19657] write(3, "1000", 4)         = 4
[pid 19657] close(3)                    = 0
[pid 19657] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19657] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19657] write(4, "78", 2)           = 2
[pid 19657] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19657] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19657] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19657] exit_group(0)               = ?
[pid 19657] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19657, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19658
./strace-static-x86_64: Process 19658 attached
[pid 19658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19658] setpgid(0, 0)               = 0
[pid 19658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19658] write(3, "1000", 4)         = 4
[pid 19658] close(3)                    = 0
[pid 19658] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19658] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19658] write(4, "78", 2)           = 2
[pid 19658] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19658] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19658] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19658] exit_group(0)               = ?
[pid 19658] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19658, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19659
./strace-static-x86_64: Process 19659 attached
[pid 19659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19659] setpgid(0, 0)               = 0
[pid 19659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19659] write(3, "1000", 4)         = 4
[pid 19659] close(3)                    = 0
[pid 19659] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19659] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19659] write(4, "78", 2)           = 2
[pid 19659] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19659] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19659] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19659] exit_group(0)               = ?
[pid 19659] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19659, 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 19660 attached
, child_tidptr=0x555555af35d0) = 19660
[pid 19660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19660] setpgid(0, 0)               = 0
[pid 19660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19660] write(3, "1000", 4)         = 4
[pid 19660] close(3)                    = 0
[pid 19660] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19660] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19660] write(4, "78", 2)           = 2
[pid 19660] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19660] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19660] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19660] exit_group(0)               = ?
[pid 19660] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19660, 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=0x555555af35d0) = 19661
./strace-static-x86_64: Process 19661 attached
[pid 19661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19661] setpgid(0, 0)               = 0
[pid 19661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19661] write(3, "1000", 4)         = 4
[pid 19661] close(3)                    = 0
[pid 19661] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19661] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19661] write(4, "78", 2)           = 2
[pid 19661] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19661] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19661] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19661] exit_group(0)               = ?
[pid 19661] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19661, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19662 attached
, child_tidptr=0x555555af35d0) = 19662
[pid 19662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19662] setpgid(0, 0)               = 0
[pid 19662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19662] write(3, "1000", 4)         = 4
[pid 19662] close(3)                    = 0
[pid 19662] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19662] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19662] write(4, "78", 2)           = 2
[pid 19662] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19662] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19662] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19662] exit_group(0)               = ?
[pid 19662] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19662, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19663 attached
, child_tidptr=0x555555af35d0) = 19663
[pid 19663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19663] setpgid(0, 0)               = 0
[pid 19663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19663] write(3, "1000", 4)         = 4
[pid 19663] close(3)                    = 0
[pid 19663] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19663] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19663] write(4, "78", 2)           = 2
[pid 19663] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19663] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19663] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19663] exit_group(0)               = ?
[pid 19663] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19663, 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 19664 attached
, child_tidptr=0x555555af35d0) = 19664
[pid 19664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19664] setpgid(0, 0)               = 0
[pid 19664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19664] write(3, "1000", 4)         = 4
[pid 19664] close(3)                    = 0
[pid 19664] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19664] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19664] write(4, "78", 2)           = 2
[pid 19664] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19664] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19664] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19664] exit_group(0)               = ?
[pid 19664] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19664, 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 19665 attached
, child_tidptr=0x555555af35d0) = 19665
[pid 19665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19665] setpgid(0, 0)               = 0
[pid 19665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19665] write(3, "1000", 4)         = 4
[pid 19665] close(3)                    = 0
[pid 19665] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19665] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19665] write(4, "78", 2)           = 2
[pid 19665] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19665] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19665] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19665] exit_group(0)               = ?
[pid 19665] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19665, 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 19666 attached
, child_tidptr=0x555555af35d0) = 19666
[pid 19666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19666] setpgid(0, 0)               = 0
[pid 19666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19666] write(3, "1000", 4)         = 4
[pid 19666] close(3)                    = 0
[pid 19666] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19666] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19666] write(4, "78", 2)           = 2
[pid 19666] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19666] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19666] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19666] exit_group(0)               = ?
[pid 19666] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19666, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19667 attached
, child_tidptr=0x555555af35d0) = 19667
[pid 19667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19667] setpgid(0, 0)               = 0
[pid 19667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19667] write(3, "1000", 4)         = 4
[pid 19667] close(3)                    = 0
[pid 19667] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19667] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19667] write(4, "78", 2)           = 2
[pid 19667] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19667] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19667] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19667] exit_group(0)               = ?
[pid 19667] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19667, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19668 attached
, child_tidptr=0x555555af35d0) = 19668
[pid 19668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19668] setpgid(0, 0)               = 0
[pid 19668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19668] write(3, "1000", 4)         = 4
[pid 19668] close(3)                    = 0
[pid 19668] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19668] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19668] write(4, "78", 2)           = 2
[pid 19668] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19668] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19668] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19668] exit_group(0)               = ?
[pid 19668] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19668, 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 19669 attached
, child_tidptr=0x555555af35d0) = 19669
[pid 19669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19669] setpgid(0, 0)               = 0
[pid 19669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19669] write(3, "1000", 4)         = 4
[pid 19669] close(3)                    = 0
[pid 19669] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19669] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19669] write(4, "78", 2)           = 2
[pid 19669] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19669] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19669] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19669] exit_group(0)               = ?
[pid 19669] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19669, 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 19670 attached
, child_tidptr=0x555555af35d0) = 19670
[pid 19670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19670] setpgid(0, 0)               = 0
[pid 19670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19670] write(3, "1000", 4)         = 4
[pid 19670] close(3)                    = 0
[pid 19670] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19670] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19670] write(4, "78", 2)           = 2
[pid 19670] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19670] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19670] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19670] exit_group(0)               = ?
[pid 19670] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19670, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19671
./strace-static-x86_64: Process 19671 attached
[pid 19671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19671] setpgid(0, 0)               = 0
[pid 19671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19671] write(3, "1000", 4)         = 4
[pid 19671] close(3)                    = 0
[pid 19671] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19671] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19671] write(4, "78", 2)           = 2
[pid 19671] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19671] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19671] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19671] exit_group(0)               = ?
[pid 19671] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19671, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19672 attached
, child_tidptr=0x555555af35d0) = 19672
[pid 19672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19672] setpgid(0, 0)               = 0
[pid 19672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19672] write(3, "1000", 4)         = 4
[pid 19672] close(3)                    = 0
[pid 19672] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19672] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19672] write(4, "78", 2)           = 2
[pid 19672] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19672] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19672] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19672] exit_group(0)               = ?
[pid 19672] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19672, 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 19673 attached
, child_tidptr=0x555555af35d0) = 19673
[pid 19673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19673] setpgid(0, 0)               = 0
[pid 19673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19673] write(3, "1000", 4)         = 4
[pid 19673] close(3)                    = 0
[pid 19673] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19673] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19673] write(4, "78", 2)           = 2
[pid 19673] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19673] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19673] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19673] exit_group(0)               = ?
[pid 19673] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19673, 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 19674 attached
, child_tidptr=0x555555af35d0) = 19674
[pid 19674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19674] setpgid(0, 0)               = 0
[pid 19674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19674] write(3, "1000", 4)         = 4
[pid 19674] close(3)                    = 0
[pid 19674] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19674] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19674] write(4, "78", 2)           = 2
[pid 19674] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19674] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19674] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19674] exit_group(0)               = ?
[pid 19674] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19674, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19675 attached
, child_tidptr=0x555555af35d0) = 19675
[pid 19675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19675] setpgid(0, 0)               = 0
[pid 19675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19675] write(3, "1000", 4)         = 4
[pid 19675] close(3)                    = 0
[pid 19675] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19675] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19675] write(4, "78", 2)           = 2
[pid 19675] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19675] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19675] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19675] exit_group(0)               = ?
[pid 19675] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19675, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19676 attached
, child_tidptr=0x555555af35d0) = 19676
[pid 19676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19676] setpgid(0, 0)               = 0
[pid 19676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19676] write(3, "1000", 4)         = 4
[pid 19676] close(3)                    = 0
[pid 19676] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19676] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19676] write(4, "78", 2)           = 2
[pid 19676] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19676] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19676] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19676] exit_group(0)               = ?
[pid 19676] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19676, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19677 attached
, child_tidptr=0x555555af35d0) = 19677
[pid 19677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19677] setpgid(0, 0)               = 0
[pid 19677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19677] write(3, "1000", 4)         = 4
[pid 19677] close(3)                    = 0
[pid 19677] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19677] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19677] write(4, "78", 2)           = 2
[pid 19677] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19677] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19677] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19677] exit_group(0)               = ?
[pid 19677] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19677, 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 19678 attached
, child_tidptr=0x555555af35d0) = 19678
[pid 19678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19678] setpgid(0, 0)               = 0
[pid 19678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19678] write(3, "1000", 4)         = 4
[pid 19678] close(3)                    = 0
[pid 19678] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19678] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19678] write(4, "78", 2)           = 2
[pid 19678] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19678] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19678] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19678] exit_group(0)               = ?
[pid 19678] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19678, 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 19679 attached
, child_tidptr=0x555555af35d0) = 19679
[pid 19679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19679] setpgid(0, 0)               = 0
[pid 19679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19679] write(3, "1000", 4)         = 4
[pid 19679] close(3)                    = 0
[pid 19679] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19679] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19679] write(4, "78", 2)           = 2
[pid 19679] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19679] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19679] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19679] exit_group(0)               = ?
[pid 19679] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19679, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19680 attached
, child_tidptr=0x555555af35d0) = 19680
[pid 19680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19680] setpgid(0, 0)               = 0
[pid 19680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19680] write(3, "1000", 4)         = 4
[pid 19680] close(3)                    = 0
[pid 19680] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19680] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19680] write(4, "78", 2)           = 2
[pid 19680] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19680] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19680] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19680] exit_group(0)               = ?
[pid 19680] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19680, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19681 attached
, child_tidptr=0x555555af35d0) = 19681
[pid 19681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19681] setpgid(0, 0)               = 0
[pid 19681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19681] write(3, "1000", 4)         = 4
[pid 19681] close(3)                    = 0
[pid 19681] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19681] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19681] write(4, "78", 2)           = 2
[pid 19681] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19681] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19681] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19681] exit_group(0)               = ?
[pid 19681] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19681, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19682 attached
, child_tidptr=0x555555af35d0) = 19682
[pid 19682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19682] setpgid(0, 0)               = 0
[pid 19682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19682] write(3, "1000", 4)         = 4
[pid 19682] close(3)                    = 0
[pid 19682] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19682] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19682] write(4, "78", 2)           = 2
[pid 19682] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19682] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19682] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19682] exit_group(0)               = ?
[pid 19682] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19682, 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 19683 attached
, child_tidptr=0x555555af35d0) = 19683
[pid 19683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19683] setpgid(0, 0)               = 0
[pid 19683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19683] write(3, "1000", 4)         = 4
[pid 19683] close(3)                    = 0
[pid 19683] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19683] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19683] write(4, "78", 2)           = 2
[pid 19683] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19683] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19683] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19683] exit_group(0)               = ?
[pid 19683] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19683, 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 19684 attached
, child_tidptr=0x555555af35d0) = 19684
[pid 19684] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19684] setpgid(0, 0)               = 0
[pid 19684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19684] write(3, "1000", 4)         = 4
[pid 19684] close(3)                    = 0
[pid 19684] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19684] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19684] write(4, "78", 2)           = 2
[pid 19684] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19684] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19684] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19684] exit_group(0)               = ?
[pid 19684] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19684, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19685 attached
, child_tidptr=0x555555af35d0) = 19685
[pid 19685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19685] setpgid(0, 0)               = 0
[pid 19685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19685] write(3, "1000", 4)         = 4
[pid 19685] close(3)                    = 0
[pid 19685] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19685] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19685] write(4, "78", 2)           = 2
[pid 19685] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19685] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19685] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19685] exit_group(0)               = ?
[pid 19685] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19685, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19686 attached
, child_tidptr=0x555555af35d0) = 19686
[pid 19686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19686] setpgid(0, 0)               = 0
[pid 19686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19686] write(3, "1000", 4)         = 4
[pid 19686] close(3)                    = 0
[pid 19686] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19686] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19686] write(4, "78", 2)           = 2
[pid 19686] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19686] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19686] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19686] exit_group(0)               = ?
[pid 19686] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19686, 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 19687 attached
, child_tidptr=0x555555af35d0) = 19687
[pid 19687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19687] setpgid(0, 0)               = 0
[pid 19687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19687] write(3, "1000", 4)         = 4
[pid 19687] close(3)                    = 0
[pid 19687] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19687] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19687] write(4, "78", 2)           = 2
[pid 19687] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19687] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19687] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19687] exit_group(0)               = ?
[pid 19687] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19687, 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 19688 attached
, child_tidptr=0x555555af35d0) = 19688
[pid 19688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19688] setpgid(0, 0)               = 0
[pid 19688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19688] write(3, "1000", 4)         = 4
[pid 19688] close(3)                    = 0
[pid 19688] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19688] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19688] write(4, "78", 2)           = 2
[pid 19688] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19688] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19688] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19688] exit_group(0)               = ?
[pid 19688] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19688, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19689 attached
, child_tidptr=0x555555af35d0) = 19689
[pid 19689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19689] setpgid(0, 0)               = 0
[pid 19689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19689] write(3, "1000", 4)         = 4
[pid 19689] close(3)                    = 0
[pid 19689] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19689] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19689] write(4, "78", 2)           = 2
[pid 19689] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19689] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19689] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19689] exit_group(0)               = ?
[pid 19689] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19689, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19690 attached
, child_tidptr=0x555555af35d0) = 19690
[pid 19690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19690] setpgid(0, 0)               = 0
[pid 19690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19690] write(3, "1000", 4)         = 4
[pid 19690] close(3)                    = 0
[pid 19690] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19690] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19690] write(4, "78", 2)           = 2
[pid 19690] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19690] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19690] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19690] exit_group(0)               = ?
[pid 19690] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19690, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19691 attached
, child_tidptr=0x555555af35d0) = 19691
[pid 19691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19691] setpgid(0, 0)               = 0
[pid 19691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19691] write(3, "1000", 4)         = 4
[pid 19691] close(3)                    = 0
[pid 19691] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19691] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19691] write(4, "78", 2)           = 2
[pid 19691] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19691] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19691] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19691] exit_group(0)               = ?
[pid 19691] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19691, 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 19692 attached
, child_tidptr=0x555555af35d0) = 19692
[pid 19692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19692] setpgid(0, 0)               = 0
[pid 19692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19692] write(3, "1000", 4)         = 4
[pid 19692] close(3)                    = 0
[pid 19692] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19692] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19692] write(4, "78", 2)           = 2
[pid 19692] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19692] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19692] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19692] exit_group(0)               = ?
[pid 19692] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19692, 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 19693 attached
, child_tidptr=0x555555af35d0) = 19693
[pid 19693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19693] setpgid(0, 0)               = 0
[pid 19693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19693] write(3, "1000", 4)         = 4
[pid 19693] close(3)                    = 0
[pid 19693] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19693] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19693] write(4, "78", 2)           = 2
[pid 19693] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19693] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19693] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19693] exit_group(0)               = ?
[pid 19693] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19693, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19694 attached
, child_tidptr=0x555555af35d0) = 19694
[pid 19694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19694] setpgid(0, 0)               = 0
[pid 19694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19694] write(3, "1000", 4)         = 4
[pid 19694] close(3)                    = 0
[pid 19694] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19694] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19694] write(4, "78", 2)           = 2
[pid 19694] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19694] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19694] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19694] exit_group(0)               = ?
[pid 19694] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19694, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19695 attached
, child_tidptr=0x555555af35d0) = 19695
[pid 19695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19695] setpgid(0, 0)               = 0
[pid 19695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19695] write(3, "1000", 4)         = 4
[pid 19695] close(3)                    = 0
[pid 19695] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19695] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19695] write(4, "78", 2)           = 2
[pid 19695] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19695] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19695] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19695] exit_group(0)               = ?
[pid 19695] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19695, 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 19696 attached
, child_tidptr=0x555555af35d0) = 19696
[pid 19696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19696] setpgid(0, 0)               = 0
[pid 19696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19696] write(3, "1000", 4)         = 4
[pid 19696] close(3)                    = 0
[pid 19696] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19696] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19696] write(4, "78", 2)           = 2
[pid 19696] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19696] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19696] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19696] exit_group(0)               = ?
[pid 19696] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19696, 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 19697 attached
, child_tidptr=0x555555af35d0) = 19697
[pid 19697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19697] setpgid(0, 0)               = 0
[pid 19697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19697] write(3, "1000", 4)         = 4
[pid 19697] close(3)                    = 0
[pid 19697] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19697] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19697] write(4, "78", 2)           = 2
[pid 19697] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19697] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19697] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19697] exit_group(0)               = ?
[pid 19697] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19697, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19698 attached
, child_tidptr=0x555555af35d0) = 19698
[pid 19698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19698] setpgid(0, 0)               = 0
[pid 19698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19698] write(3, "1000", 4)         = 4
[pid 19698] close(3)                    = 0
[pid 19698] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19698] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19698] write(4, "78", 2)           = 2
[pid 19698] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19698] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19698] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19698] exit_group(0)               = ?
[pid 19698] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19698, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19699 attached
, child_tidptr=0x555555af35d0) = 19699
[pid 19699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19699] setpgid(0, 0)               = 0
[pid 19699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19699] write(3, "1000", 4)         = 4
[pid 19699] close(3)                    = 0
[pid 19699] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19699] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19699] write(4, "78", 2)           = 2
[pid 19699] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19699] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19699] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19699] exit_group(0)               = ?
[pid 19699] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19699, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19700 attached
, child_tidptr=0x555555af35d0) = 19700
[pid 19700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19700] setpgid(0, 0)               = 0
[pid 19700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19700] write(3, "1000", 4)         = 4
[pid 19700] close(3)                    = 0
[pid 19700] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19700] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19700] write(4, "78", 2)           = 2
[pid 19700] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19700] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19700] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19700] exit_group(0)               = ?
[pid 19700] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19700, 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 19701 attached
, child_tidptr=0x555555af35d0) = 19701
[pid 19701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19701] setpgid(0, 0)               = 0
[pid 19701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19701] write(3, "1000", 4)         = 4
[pid 19701] close(3)                    = 0
[pid 19701] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19701] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19701] write(4, "78", 2)           = 2
[pid 19701] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19701] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19701] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19701] exit_group(0)               = ?
[pid 19701] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19701, 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 19702 attached
, child_tidptr=0x555555af35d0) = 19702
[pid 19702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19702] setpgid(0, 0)               = 0
[pid 19702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19702] write(3, "1000", 4)         = 4
[pid 19702] close(3)                    = 0
[pid 19702] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19702] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19702] write(4, "78", 2)           = 2
[pid 19702] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19702] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19702] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19702] exit_group(0)               = ?
[pid 19702] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19702, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19703 attached
, child_tidptr=0x555555af35d0) = 19703
[pid 19703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19703] setpgid(0, 0)               = 0
[pid 19703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19703] write(3, "1000", 4)         = 4
[pid 19703] close(3)                    = 0
[pid 19703] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19703] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19703] write(4, "78", 2)           = 2
[pid 19703] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19703] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19703] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19703] exit_group(0)               = ?
[pid 19703] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19703, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19704 attached
, child_tidptr=0x555555af35d0) = 19704
[pid 19704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19704] setpgid(0, 0)               = 0
[pid 19704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19704] write(3, "1000", 4)         = 4
[pid 19704] close(3)                    = 0
[pid 19704] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19704] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19704] write(4, "78", 2)           = 2
[pid 19704] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19704] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19704] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19704] exit_group(0)               = ?
[pid 19704] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19704, 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 19705 attached
, child_tidptr=0x555555af35d0) = 19705
[pid 19705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19705] setpgid(0, 0)               = 0
[pid 19705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19705] write(3, "1000", 4)         = 4
[pid 19705] close(3)                    = 0
[pid 19705] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19705] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19705] write(4, "78", 2)           = 2
[pid 19705] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19705] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19705] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19705] exit_group(0)               = ?
[pid 19705] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19705, 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 19706 attached
, child_tidptr=0x555555af35d0) = 19706
[pid 19706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19706] setpgid(0, 0)               = 0
[pid 19706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19706] write(3, "1000", 4)         = 4
[pid 19706] close(3)                    = 0
[pid 19706] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19706] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19706] write(4, "78", 2)           = 2
[pid 19706] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19706] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19706] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19706] exit_group(0)               = ?
[pid 19706] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19706, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19707 attached
, child_tidptr=0x555555af35d0) = 19707
[pid 19707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19707] setpgid(0, 0)               = 0
[pid 19707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19707] write(3, "1000", 4)         = 4
[pid 19707] close(3)                    = 0
[pid 19707] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19707] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19707] write(4, "78", 2)           = 2
[pid 19707] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19707] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19707] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19707] exit_group(0)               = ?
[pid 19707] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19707, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19708 attached
, child_tidptr=0x555555af35d0) = 19708
[pid 19708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19708] setpgid(0, 0)               = 0
[pid 19708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19708] write(3, "1000", 4)         = 4
[pid 19708] close(3)                    = 0
[pid 19708] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19708] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19708] write(4, "78", 2)           = 2
[pid 19708] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19708] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19708] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19708] exit_group(0)               = ?
[pid 19708] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19708, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19709
./strace-static-x86_64: Process 19709 attached
[pid 19709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19709] setpgid(0, 0)               = 0
[pid 19709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19709] write(3, "1000", 4)         = 4
[pid 19709] close(3)                    = 0
[pid 19709] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19709] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19709] write(4, "78", 2)           = 2
[pid 19709] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19709] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19709] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19709] exit_group(0)               = ?
[pid 19709] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19709, 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 19710 attached
, child_tidptr=0x555555af35d0) = 19710
[pid 19710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19710] setpgid(0, 0)               = 0
[pid 19710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19710] write(3, "1000", 4)         = 4
[pid 19710] close(3)                    = 0
[pid 19710] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19710] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19710] write(4, "78", 2)           = 2
[pid 19710] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19710] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19710] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19710] exit_group(0)               = ?
[pid 19710] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19710, 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 19711 attached
, child_tidptr=0x555555af35d0) = 19711
[pid 19711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19711] setpgid(0, 0)               = 0
[pid 19711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19711] write(3, "1000", 4)         = 4
[pid 19711] close(3)                    = 0
[pid 19711] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19711] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19711] write(4, "78", 2)           = 2
[pid 19711] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19711] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19711] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19711] exit_group(0)               = ?
[pid 19711] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19711, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19712 attached
, child_tidptr=0x555555af35d0) = 19712
[pid 19712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19712] setpgid(0, 0)               = 0
[pid 19712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19712] write(3, "1000", 4)         = 4
[pid 19712] close(3)                    = 0
[pid 19712] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19712] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19712] write(4, "78", 2)           = 2
[pid 19712] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19712] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19712] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19712] exit_group(0)               = ?
[pid 19712] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19712, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19713 attached
, child_tidptr=0x555555af35d0) = 19713
[pid 19713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19713] setpgid(0, 0)               = 0
[pid 19713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19713] write(3, "1000", 4)         = 4
[pid 19713] close(3)                    = 0
[pid 19713] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19713] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19713] write(4, "78", 2)           = 2
[pid 19713] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19713] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19713] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19713] exit_group(0)               = ?
[pid 19713] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19713, 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=0x555555af35d0) = 19714
./strace-static-x86_64: Process 19714 attached
[pid 19714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19714] setpgid(0, 0)               = 0
[pid 19714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19714] write(3, "1000", 4)         = 4
[pid 19714] close(3)                    = 0
[pid 19714] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19714] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19714] write(4, "78", 2)           = 2
[pid 19714] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19714] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19714] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19714] exit_group(0)               = ?
[pid 19714] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19714, 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 19715 attached
, child_tidptr=0x555555af35d0) = 19715
[pid 19715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19715] setpgid(0, 0)               = 0
[pid 19715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19715] write(3, "1000", 4)         = 4
[pid 19715] close(3)                    = 0
[pid 19715] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19715] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19715] write(4, "78", 2)           = 2
[pid 19715] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19715] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19715] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19715] exit_group(0)               = ?
[pid 19715] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19715, 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 19716 attached
, child_tidptr=0x555555af35d0) = 19716
[pid 19716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19716] setpgid(0, 0)               = 0
[pid 19716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19716] write(3, "1000", 4)         = 4
[pid 19716] close(3)                    = 0
[pid 19716] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19716] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19716] write(4, "78", 2)           = 2
[pid 19716] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19716] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19716] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19716] exit_group(0)               = ?
[pid 19716] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19716, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19717 attached
, child_tidptr=0x555555af35d0) = 19717
[pid 19717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19717] setpgid(0, 0)               = 0
[pid 19717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19717] write(3, "1000", 4)         = 4
[pid 19717] close(3)                    = 0
[pid 19717] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19717] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19717] write(4, "78", 2)           = 2
[pid 19717] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19717] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19717] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19717] exit_group(0)               = ?
[pid 19717] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19717, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19718 attached
, child_tidptr=0x555555af35d0) = 19718
[pid 19718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19718] setpgid(0, 0)               = 0
[pid 19718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19718] write(3, "1000", 4)         = 4
[pid 19718] close(3)                    = 0
[pid 19718] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19718] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19718] write(4, "78", 2)           = 2
[pid 19718] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19718] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19718] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19718] exit_group(0)               = ?
[pid 19718] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19718, 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 19719 attached
, child_tidptr=0x555555af35d0) = 19719
[pid 19719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19719] setpgid(0, 0)               = 0
[pid 19719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19719] write(3, "1000", 4)         = 4
[pid 19719] close(3)                    = 0
[pid 19719] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19719] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19719] write(4, "78", 2)           = 2
[pid 19719] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19719] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19719] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19719] exit_group(0)               = ?
[pid 19719] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19719, 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 19720 attached
, child_tidptr=0x555555af35d0) = 19720
[pid 19720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19720] setpgid(0, 0)               = 0
[pid 19720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19720] write(3, "1000", 4)         = 4
[pid 19720] close(3)                    = 0
[pid 19720] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19720] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19720] write(4, "78", 2)           = 2
[pid 19720] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19720] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19720] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19720] exit_group(0)               = ?
[pid 19720] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19720, 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 19721 attached
, child_tidptr=0x555555af35d0) = 19721
[pid 19721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19721] setpgid(0, 0)               = 0
[pid 19721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19721] write(3, "1000", 4)         = 4
[pid 19721] close(3)                    = 0
[pid 19721] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19721] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19721] write(4, "78", 2)           = 2
[pid 19721] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19721] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19721] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19721] exit_group(0)               = ?
[pid 19721] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19721, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19722 attached
, child_tidptr=0x555555af35d0) = 19722
[pid 19722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19722] setpgid(0, 0)               = 0
[pid 19722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19722] write(3, "1000", 4)         = 4
[pid 19722] close(3)                    = 0
[pid 19722] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19722] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19722] write(4, "78", 2)           = 2
[pid 19722] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19722] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19722] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19722] exit_group(0)               = ?
[pid 19722] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19722, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19723 attached
, child_tidptr=0x555555af35d0) = 19723
[pid 19723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19723] setpgid(0, 0)               = 0
[pid 19723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19723] write(3, "1000", 4)         = 4
[pid 19723] close(3)                    = 0
[pid 19723] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19723] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19723] write(4, "78", 2)           = 2
[pid 19723] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19723] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19723] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19723] exit_group(0)               = ?
[pid 19723] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19723, 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 19724 attached
, child_tidptr=0x555555af35d0) = 19724
[pid 19724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19724] setpgid(0, 0)               = 0
[pid 19724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19724] write(3, "1000", 4)         = 4
[pid 19724] close(3)                    = 0
[pid 19724] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19724] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19724] write(4, "78", 2)           = 2
[pid 19724] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19724] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19724] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19724] exit_group(0)               = ?
[pid 19724] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19724, 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 19725 attached
, child_tidptr=0x555555af35d0) = 19725
[pid 19725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19725] setpgid(0, 0)               = 0
[pid 19725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19725] write(3, "1000", 4)         = 4
[pid 19725] close(3)                    = 0
[pid 19725] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19725] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19725] write(4, "78", 2)           = 2
[pid 19725] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19725] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19725] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19725] exit_group(0)               = ?
[pid 19725] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19725, 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 19726 attached
, child_tidptr=0x555555af35d0) = 19726
[pid 19726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19726] setpgid(0, 0)               = 0
[pid 19726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19726] write(3, "1000", 4)         = 4
[pid 19726] close(3)                    = 0
[pid 19726] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19726] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19726] write(4, "78", 2)           = 2
[pid 19726] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19726] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19726] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19726] exit_group(0)               = ?
[pid 19726] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19726, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19727 attached
, child_tidptr=0x555555af35d0) = 19727
[pid 19727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19727] setpgid(0, 0)               = 0
[pid 19727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19727] write(3, "1000", 4)         = 4
[pid 19727] close(3)                    = 0
[pid 19727] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19727] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19727] write(4, "78", 2)           = 2
[pid 19727] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19727] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19727] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19727] exit_group(0)               = ?
[pid 19727] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19727, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19728
./strace-static-x86_64: Process 19728 attached
[pid 19728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19728] setpgid(0, 0)               = 0
[pid 19728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19728] write(3, "1000", 4)         = 4
[pid 19728] close(3)                    = 0
[pid 19728] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19728] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19728] write(4, "78", 2)           = 2
[pid 19728] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19728] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19728] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19728] exit_group(0)               = ?
[pid 19728] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19728, 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 19729 attached
, child_tidptr=0x555555af35d0) = 19729
[pid 19729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19729] setpgid(0, 0)               = 0
[pid 19729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19729] write(3, "1000", 4)         = 4
[pid 19729] close(3)                    = 0
[pid 19729] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19729] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19729] write(4, "78", 2)           = 2
[pid 19729] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19729] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19729] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19729] exit_group(0)               = ?
[pid 19729] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19729, 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 19730 attached
, child_tidptr=0x555555af35d0) = 19730
[pid 19730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19730] setpgid(0, 0)               = 0
[pid 19730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19730] write(3, "1000", 4)         = 4
[pid 19730] close(3)                    = 0
[pid 19730] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19730] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19730] write(4, "78", 2)           = 2
[pid 19730] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19730] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19730] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19730] exit_group(0)               = ?
[pid 19730] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19730, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19731
./strace-static-x86_64: Process 19731 attached
[pid 19731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19731] setpgid(0, 0)               = 0
[pid 19731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19731] write(3, "1000", 4)         = 4
[pid 19731] close(3)                    = 0
[pid 19731] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19731] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19731] write(4, "78", 2)           = 2
[pid 19731] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19731] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19731] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19731] exit_group(0)               = ?
[pid 19731] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19731, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19732
./strace-static-x86_64: Process 19732 attached
[pid 19732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19732] setpgid(0, 0)               = 0
[pid 19732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19732] write(3, "1000", 4)         = 4
[pid 19732] close(3)                    = 0
[pid 19732] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19732] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19732] write(4, "78", 2)           = 2
[pid 19732] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19732] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19732] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19732] exit_group(0)               = ?
[pid 19732] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19732, 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=0x555555af35d0) = 19733
./strace-static-x86_64: Process 19733 attached
[pid 19733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19733] setpgid(0, 0)               = 0
[pid 19733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19733] write(3, "1000", 4)         = 4
[pid 19733] close(3)                    = 0
[pid 19733] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19733] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19733] write(4, "78", 2)           = 2
[pid 19733] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19733] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19733] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19733] exit_group(0)               = ?
[pid 19733] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19733, 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=0x555555af35d0) = 19734
./strace-static-x86_64: Process 19734 attached
[pid 19734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19734] setpgid(0, 0)               = 0
[pid 19734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19734] write(3, "1000", 4)         = 4
[pid 19734] close(3)                    = 0
[pid 19734] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19734] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19734] write(4, "78", 2)           = 2
[pid 19734] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19734] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19734] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19734] exit_group(0)               = ?
[pid 19734] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19734, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19735
./strace-static-x86_64: Process 19735 attached
[pid 19735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19735] setpgid(0, 0)               = 0
[pid 19735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19735] write(3, "1000", 4)         = 4
[pid 19735] close(3)                    = 0
[pid 19735] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19735] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19735] write(4, "78", 2)           = 2
[pid 19735] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19735] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19735] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19735] exit_group(0)               = ?
[pid 19735] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19735, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19736 attached
, child_tidptr=0x555555af35d0) = 19736
[pid 19736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19736] setpgid(0, 0)               = 0
[pid 19736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19736] write(3, "1000", 4)         = 4
[pid 19736] close(3)                    = 0
[pid 19736] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19736] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19736] write(4, "78", 2)           = 2
[pid 19736] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19736] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19736] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19736] exit_group(0)               = ?
[pid 19736] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19736, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19737 attached
, child_tidptr=0x555555af35d0) = 19737
[pid 19737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19737] setpgid(0, 0)               = 0
[pid 19737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19737] write(3, "1000", 4)         = 4
[pid 19737] close(3)                    = 0
[pid 19737] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19737] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19737] write(4, "78", 2)           = 2
[pid 19737] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19737] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19737] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19737] exit_group(0)               = ?
[pid 19737] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19737, 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=0x555555af35d0) = 19738
./strace-static-x86_64: Process 19738 attached
[pid 19738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19738] setpgid(0, 0)               = 0
[pid 19738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19738] write(3, "1000", 4)         = 4
[pid 19738] close(3)                    = 0
[pid 19738] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19738] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19738] write(4, "78", 2)           = 2
[pid 19738] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19738] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19738] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19738] exit_group(0)               = ?
[pid 19738] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19738, 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=0x555555af35d0) = 19739
./strace-static-x86_64: Process 19739 attached
[pid 19739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19739] setpgid(0, 0)               = 0
[pid 19739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19739] write(3, "1000", 4)         = 4
[pid 19739] close(3)                    = 0
[pid 19739] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19739] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19739] write(4, "78", 2)           = 2
[pid 19739] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19739] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19739] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19739] exit_group(0)               = ?
[pid 19739] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19739, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19740 attached
, child_tidptr=0x555555af35d0) = 19740
[pid 19740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19740] setpgid(0, 0)               = 0
[pid 19740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19740] write(3, "1000", 4)         = 4
[pid 19740] close(3)                    = 0
[pid 19740] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19740] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19740] write(4, "78", 2)           = 2
[pid 19740] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19740] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19740] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19740] exit_group(0)               = ?
[pid 19740] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19740, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19741 attached
, child_tidptr=0x555555af35d0) = 19741
[pid 19741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19741] setpgid(0, 0)               = 0
[pid 19741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19741] write(3, "1000", 4)         = 4
[pid 19741] close(3)                    = 0
[pid 19741] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19741] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19741] write(4, "78", 2)           = 2
[pid 19741] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19741] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19741] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19741] exit_group(0)               = ?
[pid 19741] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19741, 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 19742 attached
, child_tidptr=0x555555af35d0) = 19742
[pid 19742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19742] setpgid(0, 0)               = 0
[pid 19742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19742] write(3, "1000", 4)         = 4
[pid 19742] close(3)                    = 0
[pid 19742] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19742] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19742] write(4, "78", 2)           = 2
[pid 19742] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19742] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19742] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19742] exit_group(0)               = ?
[pid 19742] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19742, 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 19743 attached
, child_tidptr=0x555555af35d0) = 19743
[pid 19743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19743] setpgid(0, 0)               = 0
[pid 19743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19743] write(3, "1000", 4)         = 4
[pid 19743] close(3)                    = 0
[pid 19743] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19743] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19743] write(4, "78", 2)           = 2
[pid 19743] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19743] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19743] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19743] exit_group(0)               = ?
[pid 19743] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19743, 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=0x555555af35d0) = 19744
./strace-static-x86_64: Process 19744 attached
[pid 19744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19744] setpgid(0, 0)               = 0
[pid 19744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19744] write(3, "1000", 4)         = 4
[pid 19744] close(3)                    = 0
[pid 19744] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19744] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19744] write(4, "78", 2)           = 2
[pid 19744] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19744] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19744] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19744] exit_group(0)               = ?
[pid 19744] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19744, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19745 attached
, child_tidptr=0x555555af35d0) = 19745
[pid 19745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19745] setpgid(0, 0)               = 0
[pid 19745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19745] write(3, "1000", 4)         = 4
[pid 19745] close(3)                    = 0
[pid 19745] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19745] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19745] write(4, "78", 2)           = 2
[pid 19745] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19745] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19745] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19745] exit_group(0)               = ?
[pid 19745] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19745, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19746 attached
, child_tidptr=0x555555af35d0) = 19746
[pid 19746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19746] setpgid(0, 0)               = 0
[pid 19746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19746] write(3, "1000", 4)         = 4
[pid 19746] close(3)                    = 0
[pid 19746] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19746] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19746] write(4, "78", 2)           = 2
[pid 19746] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19746] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19746] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19746] exit_group(0)               = ?
[pid 19746] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19746, 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=0x555555af35d0) = 19747
./strace-static-x86_64: Process 19747 attached
[pid 19747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19747] setpgid(0, 0)               = 0
[pid 19747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19747] write(3, "1000", 4)         = 4
[pid 19747] close(3)                    = 0
[pid 19747] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19747] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19747] write(4, "78", 2)           = 2
[pid 19747] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19747] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19747] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19747] exit_group(0)               = ?
[pid 19747] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19747, 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 19748 attached
, child_tidptr=0x555555af35d0) = 19748
[pid 19748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19748] setpgid(0, 0)               = 0
[pid 19748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19748] write(3, "1000", 4)         = 4
[pid 19748] close(3)                    = 0
[pid 19748] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19748] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19748] write(4, "78", 2)           = 2
[pid 19748] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19748] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19748] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19748] exit_group(0)               = ?
[pid 19748] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19748, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19749
./strace-static-x86_64: Process 19749 attached
[pid 19749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19749] setpgid(0, 0)               = 0
[pid 19749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19749] write(3, "1000", 4)         = 4
[pid 19749] close(3)                    = 0
[pid 19749] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19749] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19749] write(4, "78", 2)           = 2
[pid 19749] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19749] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19749] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19749] exit_group(0)               = ?
[pid 19749] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19749, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19750 attached
, child_tidptr=0x555555af35d0) = 19750
[pid 19750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19750] setpgid(0, 0)               = 0
[pid 19750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19750] write(3, "1000", 4)         = 4
[pid 19750] close(3)                    = 0
[pid 19750] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19750] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19750] write(4, "78", 2)           = 2
[pid 19750] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19750] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19750] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19750] exit_group(0)               = ?
[pid 19750] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19750, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19751 attached
, child_tidptr=0x555555af35d0) = 19751
[pid 19751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19751] setpgid(0, 0)               = 0
[pid 19751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19751] write(3, "1000", 4)         = 4
[pid 19751] close(3)                    = 0
[pid 19751] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19751] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19751] write(4, "78", 2)           = 2
[pid 19751] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19751] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19751] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19751] exit_group(0)               = ?
[pid 19751] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19751, 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 19752 attached
, child_tidptr=0x555555af35d0) = 19752
[pid 19752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19752] setpgid(0, 0)               = 0
[pid 19752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19752] write(3, "1000", 4)         = 4
[pid 19752] close(3)                    = 0
[pid 19752] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19752] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19752] write(4, "78", 2)           = 2
[pid 19752] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19752] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19752] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19752] exit_group(0)               = ?
[pid 19752] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19752, 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 19753 attached
, child_tidptr=0x555555af35d0) = 19753
[pid 19753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19753] setpgid(0, 0)               = 0
[pid 19753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19753] write(3, "1000", 4)         = 4
[pid 19753] close(3)                    = 0
[pid 19753] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19753] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19753] write(4, "78", 2)           = 2
[pid 19753] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19753] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19753] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19753] exit_group(0)               = ?
[pid 19753] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19753, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19754
./strace-static-x86_64: Process 19754 attached
[pid 19754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19754] setpgid(0, 0)               = 0
[pid 19754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19754] write(3, "1000", 4)         = 4
[pid 19754] close(3)                    = 0
[pid 19754] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19754] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19754] write(4, "78", 2)           = 2
[pid 19754] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19754] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19754] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19754] exit_group(0)               = ?
[pid 19754] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19754, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19755 attached
, child_tidptr=0x555555af35d0) = 19755
[pid 19755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19755] setpgid(0, 0)               = 0
[pid 19755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19755] write(3, "1000", 4)         = 4
[pid 19755] close(3)                    = 0
[pid 19755] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19755] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19755] write(4, "78", 2)           = 2
[pid 19755] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19755] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19755] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19755] exit_group(0)               = ?
[pid 19755] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19755, 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 19756 attached
, child_tidptr=0x555555af35d0) = 19756
[pid 19756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19756] setpgid(0, 0)               = 0
[pid 19756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19756] write(3, "1000", 4)         = 4
[pid 19756] close(3)                    = 0
[pid 19756] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19756] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19756] write(4, "78", 2)           = 2
[pid 19756] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19756] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19756] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19756] exit_group(0)               = ?
[pid 19756] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19756, 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 19757 attached
, child_tidptr=0x555555af35d0) = 19757
[pid 19757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19757] setpgid(0, 0)               = 0
[pid 19757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19757] write(3, "1000", 4)         = 4
[pid 19757] close(3)                    = 0
[pid 19757] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19757] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19757] write(4, "78", 2)           = 2
[pid 19757] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19757] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19757] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19757] exit_group(0)               = ?
[pid 19757] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19757, 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 19758 attached
, child_tidptr=0x555555af35d0) = 19758
[pid 19758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19758] setpgid(0, 0)               = 0
[pid 19758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19758] write(3, "1000", 4)         = 4
[pid 19758] close(3)                    = 0
[pid 19758] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19758] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19758] write(4, "78", 2)           = 2
[pid 19758] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19758] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19758] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19758] exit_group(0)               = ?
[pid 19758] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19758, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19759 attached
, child_tidptr=0x555555af35d0) = 19759
[pid 19759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19759] setpgid(0, 0)               = 0
[pid 19759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19759] write(3, "1000", 4)         = 4
[pid 19759] close(3)                    = 0
[pid 19759] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19759] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19759] write(4, "78", 2)           = 2
[pid 19759] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19759] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19759] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19759] exit_group(0)               = ?
[pid 19759] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19759, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19760 attached
, child_tidptr=0x555555af35d0) = 19760
[pid 19760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19760] setpgid(0, 0)               = 0
[pid 19760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19760] write(3, "1000", 4)         = 4
[pid 19760] close(3)                    = 0
[pid 19760] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19760] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19760] write(4, "78", 2)           = 2
[pid 19760] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19760] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19760] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19760] exit_group(0)               = ?
[pid 19760] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19760, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19761 attached
, child_tidptr=0x555555af35d0) = 19761
[pid 19761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19761] setpgid(0, 0)               = 0
[pid 19761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19761] write(3, "1000", 4)         = 4
[pid 19761] close(3)                    = 0
[pid 19761] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19761] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19761] write(4, "78", 2)           = 2
[pid 19761] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19761] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19761] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19761] exit_group(0)               = ?
[pid 19761] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19761, 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 19762 attached
, child_tidptr=0x555555af35d0) = 19762
[pid 19762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19762] setpgid(0, 0)               = 0
[pid 19762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19762] write(3, "1000", 4)         = 4
[pid 19762] close(3)                    = 0
[pid 19762] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19762] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19762] write(4, "78", 2)           = 2
[pid 19762] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19762] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19762] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19762] exit_group(0)               = ?
[pid 19762] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19762, 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 19763 attached
, child_tidptr=0x555555af35d0) = 19763
[pid 19763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19763] setpgid(0, 0)               = 0
[pid 19763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19763] write(3, "1000", 4)         = 4
[pid 19763] close(3)                    = 0
[pid 19763] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19763] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19763] write(4, "78", 2)           = 2
[pid 19763] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19763] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19763] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19763] exit_group(0)               = ?
[pid 19763] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19763, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19764 attached
, child_tidptr=0x555555af35d0) = 19764
[pid 19764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19764] setpgid(0, 0)               = 0
[pid 19764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19764] write(3, "1000", 4)         = 4
[pid 19764] close(3)                    = 0
[pid 19764] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19764] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19764] write(4, "78", 2)           = 2
[pid 19764] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19764] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19764] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19764] exit_group(0)               = ?
[pid 19764] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19764, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19765 attached
, child_tidptr=0x555555af35d0) = 19765
[pid 19765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19765] setpgid(0, 0)               = 0
[pid 19765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19765] write(3, "1000", 4)         = 4
[pid 19765] close(3)                    = 0
[pid 19765] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19765] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19765] write(4, "78", 2)           = 2
[pid 19765] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19765] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19765] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19765] exit_group(0)               = ?
[pid 19765] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19765, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19766 attached
, child_tidptr=0x555555af35d0) = 19766
[pid 19766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19766] setpgid(0, 0)               = 0
[pid 19766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19766] write(3, "1000", 4)         = 4
[pid 19766] close(3)                    = 0
[pid 19766] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19766] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19766] write(4, "78", 2)           = 2
[pid 19766] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19766] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19766] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19766] exit_group(0)               = ?
[pid 19766] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19766, 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 19767 attached
, child_tidptr=0x555555af35d0) = 19767
[pid 19767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19767] setpgid(0, 0)               = 0
[pid 19767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19767] write(3, "1000", 4)         = 4
[pid 19767] close(3)                    = 0
[pid 19767] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19767] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19767] write(4, "78", 2)           = 2
[pid 19767] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19767] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19767] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19767] exit_group(0)               = ?
[pid 19767] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19767, 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 19768 attached
, child_tidptr=0x555555af35d0) = 19768
[pid 19768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19768] setpgid(0, 0)               = 0
[pid 19768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19768] write(3, "1000", 4)         = 4
[pid 19768] close(3)                    = 0
[pid 19768] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19768] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19768] write(4, "78", 2)           = 2
[pid 19768] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19768] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19768] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19768] exit_group(0)               = ?
[pid 19768] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19768, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19769 attached
, child_tidptr=0x555555af35d0) = 19769
[pid 19769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19769] setpgid(0, 0)               = 0
[pid 19769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19769] write(3, "1000", 4)         = 4
[pid 19769] close(3)                    = 0
[pid 19769] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19769] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19769] write(4, "78", 2)           = 2
[pid 19769] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19769] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19769] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19769] exit_group(0)               = ?
[pid 19769] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19769, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19770 attached
, child_tidptr=0x555555af35d0) = 19770
[pid 19770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19770] setpgid(0, 0)               = 0
[pid 19770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19770] write(3, "1000", 4)         = 4
[pid 19770] close(3)                    = 0
[pid 19770] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19770] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19770] write(4, "78", 2)           = 2
[pid 19770] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19770] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19770] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19770] exit_group(0)               = ?
[pid 19770] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19770, 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 19771 attached
, child_tidptr=0x555555af35d0) = 19771
[pid 19771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19771] setpgid(0, 0)               = 0
[pid 19771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19771] write(3, "1000", 4)         = 4
[pid 19771] close(3)                    = 0
[pid 19771] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19771] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19771] write(4, "78", 2)           = 2
[pid 19771] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19771] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19771] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19771] exit_group(0)               = ?
[pid 19771] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19771, 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 19772 attached
, child_tidptr=0x555555af35d0) = 19772
[pid 19772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19772] setpgid(0, 0)               = 0
[pid 19772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19772] write(3, "1000", 4)         = 4
[pid 19772] close(3)                    = 0
[pid 19772] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19772] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19772] write(4, "78", 2)           = 2
[pid 19772] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19772] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19772] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19772] exit_group(0)               = ?
[pid 19772] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19772, 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 19773 attached
, child_tidptr=0x555555af35d0) = 19773
[pid 19773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19773] setpgid(0, 0)               = 0
[pid 19773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19773] write(3, "1000", 4)         = 4
[pid 19773] close(3)                    = 0
[pid 19773] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19773] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19773] write(4, "78", 2)           = 2
[pid 19773] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19773] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19773] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19773] exit_group(0)               = ?
[pid 19773] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19773, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19774 attached
, child_tidptr=0x555555af35d0) = 19774
[pid 19774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19774] setpgid(0, 0)               = 0
[pid 19774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19774] write(3, "1000", 4)         = 4
[pid 19774] close(3)                    = 0
[pid 19774] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19774] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19774] write(4, "78", 2)           = 2
[pid 19774] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19774] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19774] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19774] exit_group(0)               = ?
[pid 19774] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19774, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19777 attached
, child_tidptr=0x555555af35d0) = 19777
[pid 19777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19777] setpgid(0, 0)               = 0
[pid 19777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19777] write(3, "1000", 4)         = 4
[pid 19777] close(3)                    = 0
[pid 19777] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19777] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19777] write(4, "78", 2)           = 2
[pid 19777] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19777] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19777] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19777] exit_group(0)               = ?
[pid 19777] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19777, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19778 attached
, child_tidptr=0x555555af35d0) = 19778
[pid 19778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19778] setpgid(0, 0)               = 0
[pid 19778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19778] write(3, "1000", 4)         = 4
[pid 19778] close(3)                    = 0
[pid 19778] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19778] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19778] write(4, "78", 2)           = 2
[pid 19778] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19778] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19778] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19778] exit_group(0)               = ?
[pid 19778] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19778, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19779
./strace-static-x86_64: Process 19779 attached
[pid 19779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19779] setpgid(0, 0)               = 0
[pid 19779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19779] write(3, "1000", 4)         = 4
[pid 19779] close(3)                    = 0
[pid 19779] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19779] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19779] write(4, "78", 2)           = 2
[pid 19779] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19779] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19779] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19779] exit_group(0)               = ?
[pid 19779] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19779, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19780 attached
, child_tidptr=0x555555af35d0) = 19780
[pid 19780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19780] setpgid(0, 0)               = 0
[pid 19780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19780] write(3, "1000", 4)         = 4
[pid 19780] close(3)                    = 0
[pid 19780] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19780] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19780] write(4, "78", 2)           = 2
[pid 19780] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19780] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19780] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19780] exit_group(0)               = ?
[pid 19780] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19780, 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=0x555555af35d0) = 19781
./strace-static-x86_64: Process 19781 attached
[pid 19781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19781] setpgid(0, 0)               = 0
[pid 19781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19781] write(3, "1000", 4)         = 4
[pid 19781] close(3)                    = 0
[pid 19781] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19781] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19781] write(4, "78", 2)           = 2
[pid 19781] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19781] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19781] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19781] exit_group(0)               = ?
[pid 19781] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19781, 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 19782 attached
, child_tidptr=0x555555af35d0) = 19782
[pid 19782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19782] setpgid(0, 0)               = 0
[pid 19782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19782] write(3, "1000", 4)         = 4
[pid 19782] close(3)                    = 0
[pid 19782] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19782] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19782] write(4, "78", 2)           = 2
[pid 19782] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19782] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19782] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19782] exit_group(0)               = ?
[pid 19782] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19782, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19783 attached
, child_tidptr=0x555555af35d0) = 19783
[pid 19783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19783] setpgid(0, 0)               = 0
[pid 19783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19783] write(3, "1000", 4)         = 4
[pid 19783] close(3)                    = 0
[pid 19783] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19783] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19783] write(4, "78", 2)           = 2
[pid 19783] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19783] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19783] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19783] exit_group(0)               = ?
[pid 19783] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19783, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19784 attached
, child_tidptr=0x555555af35d0) = 19784
[pid 19784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19784] setpgid(0, 0)               = 0
[pid 19784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19784] write(3, "1000", 4)         = 4
[pid 19784] close(3)                    = 0
[pid 19784] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19784] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19784] write(4, "78", 2)           = 2
[pid 19784] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19784] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19784] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19784] exit_group(0)               = ?
[pid 19784] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19784, 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=0x555555af35d0) = 19785
./strace-static-x86_64: Process 19785 attached
[pid 19785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19785] setpgid(0, 0)               = 0
[pid 19785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19785] write(3, "1000", 4)         = 4
[pid 19785] close(3)                    = 0
[pid 19785] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19785] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19785] write(4, "78", 2)           = 2
[pid 19785] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19785] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19785] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19785] exit_group(0)               = ?
[pid 19785] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19785, 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=0x555555af35d0) = 19786
./strace-static-x86_64: Process 19786 attached
[pid 19786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19786] setpgid(0, 0)               = 0
[pid 19786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19786] write(3, "1000", 4)         = 4
[pid 19786] close(3)                    = 0
[pid 19786] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19786] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19786] write(4, "78", 2)           = 2
[pid 19786] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19786] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19786] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19786] exit_group(0)               = ?
[pid 19786] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19786, 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 19787 attached
, child_tidptr=0x555555af35d0) = 19787
[pid 19787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19787] setpgid(0, 0)               = 0
[pid 19787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19787] write(3, "1000", 4)         = 4
[pid 19787] close(3)                    = 0
[pid 19787] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19787] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19787] write(4, "78", 2)           = 2
[pid 19787] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19787] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19787] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19787] exit_group(0)               = ?
[pid 19787] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19787, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19788 attached
, child_tidptr=0x555555af35d0) = 19788
[pid 19788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19788] setpgid(0, 0)               = 0
[pid 19788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19788] write(3, "1000", 4)         = 4
[pid 19788] close(3)                    = 0
[pid 19788] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19788] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19788] write(4, "78", 2)           = 2
[pid 19788] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19788] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19788] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19788] exit_group(0)               = ?
[pid 19788] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19788, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19789 attached
, child_tidptr=0x555555af35d0) = 19789
[pid 19789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19789] setpgid(0, 0)               = 0
[pid 19789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19789] write(3, "1000", 4)         = 4
[pid 19789] close(3)                    = 0
[pid 19789] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19789] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19789] write(4, "78", 2)           = 2
[pid 19789] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19789] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19789] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19789] exit_group(0)               = ?
[pid 19789] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19789, 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=0x555555af35d0) = 19790
./strace-static-x86_64: Process 19790 attached
[pid 19790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19790] setpgid(0, 0)               = 0
[pid 19790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19790] write(3, "1000", 4)         = 4
[pid 19790] close(3)                    = 0
[pid 19790] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19790] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19790] write(4, "78", 2)           = 2
[pid 19790] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19790] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19790] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19790] exit_group(0)               = ?
[pid 19790] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19790, 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=0x555555af35d0) = 19791
./strace-static-x86_64: Process 19791 attached
[pid 19791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19791] setpgid(0, 0)               = 0
[pid 19791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19791] write(3, "1000", 4)         = 4
[pid 19791] close(3)                    = 0
[pid 19791] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19791] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19791] write(4, "78", 2)           = 2
[pid 19791] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19791] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19791] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19791] exit_group(0)               = ?
[pid 19791] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19791, 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 19792 attached
, child_tidptr=0x555555af35d0) = 19792
[pid 19792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19792] setpgid(0, 0)               = 0
[pid 19792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19792] write(3, "1000", 4)         = 4
[pid 19792] close(3)                    = 0
[pid 19792] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19792] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19792] write(4, "78", 2)           = 2
[pid 19792] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19792] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19792] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19792] exit_group(0)               = ?
[pid 19792] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19792, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19793
./strace-static-x86_64: Process 19793 attached
[pid 19793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19793] setpgid(0, 0)               = 0
[pid 19793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19793] write(3, "1000", 4)         = 4
[pid 19793] close(3)                    = 0
[pid 19793] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19793] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19793] write(4, "78", 2)           = 2
[pid 19793] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19793] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19793] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19793] exit_group(0)               = ?
[pid 19793] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19793, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19794 attached
, child_tidptr=0x555555af35d0) = 19794
[pid 19794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19794] setpgid(0, 0)               = 0
[pid 19794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19794] write(3, "1000", 4)         = 4
[pid 19794] close(3)                    = 0
[pid 19794] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19794] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19794] write(4, "78", 2)           = 2
[pid 19794] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19794] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19794] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19794] exit_group(0)               = ?
[pid 19794] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19794, 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 19795 attached
, child_tidptr=0x555555af35d0) = 19795
[pid 19795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19795] setpgid(0, 0)               = 0
[pid 19795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19795] write(3, "1000", 4)         = 4
[pid 19795] close(3)                    = 0
[pid 19795] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19795] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19795] write(4, "78", 2)           = 2
[pid 19795] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19795] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19795] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19795] exit_group(0)               = ?
[pid 19795] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19795, 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 19796 attached
, child_tidptr=0x555555af35d0) = 19796
[pid 19796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19796] setpgid(0, 0)               = 0
[pid 19796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19796] write(3, "1000", 4)         = 4
[pid 19796] close(3)                    = 0
[pid 19796] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19796] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19796] write(4, "78", 2)           = 2
[pid 19796] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19796] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19796] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19796] exit_group(0)               = ?
[pid 19796] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19796, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19797 attached
, child_tidptr=0x555555af35d0) = 19797
[pid 19797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19797] setpgid(0, 0)               = 0
[pid 19797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19797] write(3, "1000", 4)         = 4
[pid 19797] close(3)                    = 0
[pid 19797] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19797] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19797] write(4, "78", 2)           = 2
[pid 19797] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19797] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19797] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19797] exit_group(0)               = ?
[pid 19797] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19797, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19798
./strace-static-x86_64: Process 19798 attached
[pid 19798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19798] setpgid(0, 0)               = 0
[pid 19798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19798] write(3, "1000", 4)         = 4
[pid 19798] close(3)                    = 0
[pid 19798] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19798] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19798] write(4, "78", 2)           = 2
[pid 19798] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19798] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19798] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19798] exit_group(0)               = ?
[pid 19798] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19798, 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 19799 attached
, child_tidptr=0x555555af35d0) = 19799
[pid 19799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19799] setpgid(0, 0)               = 0
[pid 19799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19799] write(3, "1000", 4)         = 4
[pid 19799] close(3)                    = 0
[pid 19799] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19799] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19799] write(4, "78", 2)           = 2
[pid 19799] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19799] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19799] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19799] exit_group(0)               = ?
[pid 19799] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19799, 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 19800 attached
, child_tidptr=0x555555af35d0) = 19800
[pid 19800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19800] setpgid(0, 0)               = 0
[pid 19800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19800] write(3, "1000", 4)         = 4
[pid 19800] close(3)                    = 0
[pid 19800] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19800] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19800] write(4, "78", 2)           = 2
[pid 19800] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19800] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19800] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19800] exit_group(0)               = ?
[pid 19800] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19800, 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 19801 attached
, child_tidptr=0x555555af35d0) = 19801
[pid 19801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19801] setpgid(0, 0)               = 0
[pid 19801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19801] write(3, "1000", 4)         = 4
[pid 19801] close(3)                    = 0
[pid 19801] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19801] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19801] write(4, "78", 2)           = 2
[pid 19801] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19801] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19801] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19801] exit_group(0)               = ?
[pid 19801] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19801, 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 19802 attached
, child_tidptr=0x555555af35d0) = 19802
[pid 19802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19802] setpgid(0, 0)               = 0
[pid 19802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19802] write(3, "1000", 4)         = 4
[pid 19802] close(3)                    = 0
[pid 19802] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19802] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19802] write(4, "78", 2)           = 2
[pid 19802] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19802] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19802] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19802] exit_group(0)               = ?
[pid 19802] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19802, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19803 attached
, child_tidptr=0x555555af35d0) = 19803
[pid 19803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19803] setpgid(0, 0)               = 0
[pid 19803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19803] write(3, "1000", 4)         = 4
[pid 19803] close(3)                    = 0
[pid 19803] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19803] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19803] write(4, "78", 2)           = 2
[pid 19803] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19803] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19803] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19803] exit_group(0)               = ?
[pid 19803] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19803, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19804 attached
, child_tidptr=0x555555af35d0) = 19804
[pid 19804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19804] setpgid(0, 0)               = 0
[pid 19804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19804] write(3, "1000", 4)         = 4
[pid 19804] close(3)                    = 0
[pid 19804] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19804] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19804] write(4, "78", 2)           = 2
[pid 19804] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19804] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19804] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19804] exit_group(0)               = ?
[pid 19804] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19804, 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 19805 attached
, child_tidptr=0x555555af35d0) = 19805
[pid 19805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19805] setpgid(0, 0)               = 0
[pid 19805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19805] write(3, "1000", 4)         = 4
[pid 19805] close(3)                    = 0
[pid 19805] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19805] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19805] write(4, "78", 2)           = 2
[pid 19805] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19805] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19805] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19805] exit_group(0)               = ?
[pid 19805] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19805, 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 19806 attached
, child_tidptr=0x555555af35d0) = 19806
[pid 19806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19806] setpgid(0, 0)               = 0
[pid 19806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19806] write(3, "1000", 4)         = 4
[pid 19806] close(3)                    = 0
[pid 19806] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19806] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19806] write(4, "78", 2)           = 2
[pid 19806] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19806] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19806] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19806] exit_group(0)               = ?
[pid 19806] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19806, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19807 attached
, child_tidptr=0x555555af35d0) = 19807
[pid 19807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19807] setpgid(0, 0)               = 0
[pid 19807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19807] write(3, "1000", 4)         = 4
[pid 19807] close(3)                    = 0
[pid 19807] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19807] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19807] write(4, "78", 2)           = 2
[pid 19807] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19807] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19807] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19807] exit_group(0)               = ?
[pid 19807] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19807, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19808 attached
, child_tidptr=0x555555af35d0) = 19808
[pid 19808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19808] setpgid(0, 0)               = 0
[pid 19808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19808] write(3, "1000", 4)         = 4
[pid 19808] close(3)                    = 0
[pid 19808] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19808] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19808] write(4, "78", 2)           = 2
[pid 19808] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19808] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19808] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19808] exit_group(0)               = ?
[pid 19808] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19808, 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 19809 attached
, child_tidptr=0x555555af35d0) = 19809
[pid 19809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19809] setpgid(0, 0)               = 0
[pid 19809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19809] write(3, "1000", 4)         = 4
[pid 19809] close(3)                    = 0
[pid 19809] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19809] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19809] write(4, "78", 2)           = 2
[pid 19809] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19809] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19809] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19809] exit_group(0)               = ?
[pid 19809] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19809, 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=0x555555af35d0) = 19810
./strace-static-x86_64: Process 19810 attached
[pid 19810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19810] setpgid(0, 0)               = 0
[pid 19810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19810] write(3, "1000", 4)         = 4
[pid 19810] close(3)                    = 0
[pid 19810] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19810] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19810] write(4, "78", 2)           = 2
[pid 19810] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19810] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19810] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19810] exit_group(0)               = ?
[pid 19810] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19810, 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 19811 attached
, child_tidptr=0x555555af35d0) = 19811
[pid 19811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19811] setpgid(0, 0)               = 0
[pid 19811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19811] write(3, "1000", 4)         = 4
[pid 19811] close(3)                    = 0
[pid 19811] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19811] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19811] write(4, "78", 2)           = 2
[pid 19811] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19811] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19811] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19811] exit_group(0)               = ?
[pid 19811] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19811, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19812 attached
, child_tidptr=0x555555af35d0) = 19812
[pid 19812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19812] setpgid(0, 0)               = 0
[pid 19812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19812] write(3, "1000", 4)         = 4
[pid 19812] close(3)                    = 0
[pid 19812] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19812] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19812] write(4, "78", 2)           = 2
[pid 19812] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19812] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19812] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19812] exit_group(0)               = ?
[pid 19812] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19812, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19813 attached
, child_tidptr=0x555555af35d0) = 19813
[pid 19813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19813] setpgid(0, 0)               = 0
[pid 19813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19813] write(3, "1000", 4)         = 4
[pid 19813] close(3)                    = 0
[pid 19813] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19813] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19813] write(4, "78", 2)           = 2
[pid 19813] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19813] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19813] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19813] exit_group(0)               = ?
[pid 19813] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19813, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19814 attached
, child_tidptr=0x555555af35d0) = 19814
[pid 19814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19814] setpgid(0, 0)               = 0
[pid 19814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19814] write(3, "1000", 4)         = 4
[pid 19814] close(3)                    = 0
[pid 19814] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19814] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19814] write(4, "78", 2)           = 2
[pid 19814] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19814] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19814] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19814] exit_group(0)               = ?
[pid 19814] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19814, 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 19815 attached
, child_tidptr=0x555555af35d0) = 19815
[pid 19815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19815] setpgid(0, 0)               = 0
[pid 19815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19815] write(3, "1000", 4)         = 4
[pid 19815] close(3)                    = 0
[pid 19815] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19815] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19815] write(4, "78", 2)           = 2
[pid 19815] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19815] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19815] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19815] exit_group(0)               = ?
[pid 19815] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19815, 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 19816 attached
, child_tidptr=0x555555af35d0) = 19816
[pid 19816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19816] setpgid(0, 0)               = 0
[pid 19816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19816] write(3, "1000", 4)         = 4
[pid 19816] close(3)                    = 0
[pid 19816] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19816] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19816] write(4, "78", 2)           = 2
[pid 19816] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19816] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19816] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19816] exit_group(0)               = ?
[pid 19816] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19816, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19817
./strace-static-x86_64: Process 19817 attached
[pid 19817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19817] setpgid(0, 0)               = 0
[pid 19817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19817] write(3, "1000", 4)         = 4
[pid 19817] close(3)                    = 0
[pid 19817] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19817] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19817] write(4, "78", 2)           = 2
[pid 19817] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19817] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19817] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19817] exit_group(0)               = ?
[pid 19817] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19817, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19818 attached
, child_tidptr=0x555555af35d0) = 19818
[pid 19818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19818] setpgid(0, 0)               = 0
[pid 19818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19818] write(3, "1000", 4)         = 4
[pid 19818] close(3)                    = 0
[pid 19818] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19818] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19818] write(4, "78", 2)           = 2
[pid 19818] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19818] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19818] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19818] exit_group(0)               = ?
[pid 19818] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19818, 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 19819 attached
, child_tidptr=0x555555af35d0) = 19819
[pid 19819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19819] setpgid(0, 0)               = 0
[pid 19819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19819] write(3, "1000", 4)         = 4
[pid 19819] close(3)                    = 0
[pid 19819] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19819] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19819] write(4, "78", 2)           = 2
[pid 19819] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19819] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19819] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19819] exit_group(0)               = ?
[pid 19819] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19819, 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 19820 attached
, child_tidptr=0x555555af35d0) = 19820
[pid 19820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19820] setpgid(0, 0)               = 0
[pid 19820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19820] write(3, "1000", 4)         = 4
[pid 19820] close(3)                    = 0
[pid 19820] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19820] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19820] write(4, "78", 2)           = 2
[pid 19820] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19820] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19820] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 19820] exit_group(0)               = ?
[pid 19820] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19820, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19821 attached
, child_tidptr=0x555555af35d0) = 19821
[pid 19821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19821] setpgid(0, 0)               = 0
[pid 19821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19821] write(3, "1000", 4)         = 4
[pid 19821] close(3)                    = 0
[pid 19821] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19821] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19821] write(4, "78", 2)           = 2
[pid 19821] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 19821] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19821] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19821] exit_group(0)               = ?
[pid 19821] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19821, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19822 attached
, child_tidptr=0x555555af35d0) = 19822
[pid 19822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19822] setpgid(0, 0)               = 0
[pid 19822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19822] write(3, "1000", 4)         = 4
[pid 19822] close(3)                    = 0
[pid 19822] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19822] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19822] write(4, "78", 2)           = 2
[pid 19822] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19822] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19822] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19822] exit_group(0)               = ?
[pid 19822] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19822, 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 19823 attached
, child_tidptr=0x555555af35d0) = 19823
[pid 19823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19823] setpgid(0, 0)               = 0
[pid 19823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19823] write(3, "1000", 4)         = 4
[pid 19823] close(3)                    = 0
[pid 19823] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19823] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19823] write(4, "78", 2)           = 2
[pid 19823] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19823] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19823] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19823] exit_group(0)               = ?
[pid 19823] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19823, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19824 attached
, child_tidptr=0x555555af35d0) = 19824
[pid 19824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19824] setpgid(0, 0)               = 0
[pid 19824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19824] write(3, "1000", 4)         = 4
[pid 19824] close(3)                    = 0
[pid 19824] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19824] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19824] write(4, "78", 2)           = 2
[pid 19824] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19824] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19824] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19824] exit_group(0)               = ?
[pid 19824] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19824, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19825 attached
, child_tidptr=0x555555af35d0) = 19825
[pid 19825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19825] setpgid(0, 0)               = 0
[pid 19825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19825] write(3, "1000", 4)         = 4
[pid 19825] close(3)                    = 0
[pid 19825] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19825] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19825] write(4, "78", 2)           = 2
[pid 19825] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19825] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19825] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19825] exit_group(0)               = ?
[pid 19825] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19825, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19826 attached
, child_tidptr=0x555555af35d0) = 19826
[pid 19826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19826] setpgid(0, 0)               = 0
[pid 19826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19826] write(3, "1000", 4)         = 4
[pid 19826] close(3)                    = 0
[pid 19826] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19826] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19826] write(4, "78", 2)           = 2
[pid 19826] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19826] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19826] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19826] exit_group(0)               = ?
[pid 19826] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19826, si_uid=0, si_status=0, si_utime=1, 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 19827 attached
, child_tidptr=0x555555af35d0) = 19827
[pid 19827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19827] setpgid(0, 0)               = 0
[pid 19827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19827] write(3, "1000", 4)         = 4
[pid 19827] close(3)                    = 0
[pid 19827] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19827] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19827] write(4, "78", 2)           = 2
[pid 19827] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19827] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19827] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19827] exit_group(0)               = ?
[pid 19827] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19827, 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=0x555555af35d0) = 19828
./strace-static-x86_64: Process 19828 attached
[pid 19828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19828] setpgid(0, 0)               = 0
[pid 19828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19828] write(3, "1000", 4)         = 4
[pid 19828] close(3)                    = 0
[pid 19828] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19828] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19828] write(4, "78", 2)           = 2
[pid 19828] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19828] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19828] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19828] exit_group(0)               = ?
[pid 19828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19828, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19829 attached
, child_tidptr=0x555555af35d0) = 19829
[pid 19829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19829] setpgid(0, 0)               = 0
[pid 19829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19829] write(3, "1000", 4)         = 4
[pid 19829] close(3)                    = 0
[pid 19829] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19829] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19829] write(4, "78", 2)           = 2
[pid 19829] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19829] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19829] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19829] exit_group(0)               = ?
[pid 19829] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19829, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19830 attached
, child_tidptr=0x555555af35d0) = 19830
[pid 19830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19830] setpgid(0, 0)               = 0
[pid 19830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19830] write(3, "1000", 4)         = 4
[pid 19830] close(3)                    = 0
[pid 19830] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19830] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19830] write(4, "78", 2)           = 2
[pid 19830] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19830] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19830] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19830] exit_group(0)               = ?
[pid 19830] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19830, 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=0x555555af35d0) = 19831
./strace-static-x86_64: Process 19831 attached
[pid 19831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19831] setpgid(0, 0)               = 0
[pid 19831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19831] write(3, "1000", 4)         = 4
[pid 19831] close(3)                    = 0
[pid 19831] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19831] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19831] write(4, "78", 2)           = 2
[pid 19831] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19831] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19831] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19831] exit_group(0)               = ?
[pid 19831] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19831, 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 19832 attached
, child_tidptr=0x555555af35d0) = 19832
[pid 19832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19832] setpgid(0, 0)               = 0
[pid 19832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19832] write(3, "1000", 4)         = 4
[pid 19832] close(3)                    = 0
[pid 19832] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19832] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19832] write(4, "78", 2)           = 2
[pid 19832] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19832] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19832] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19832] exit_group(0)               = ?
[pid 19832] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19832, 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 19833 attached
, child_tidptr=0x555555af35d0) = 19833
[pid 19833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19833] setpgid(0, 0)               = 0
[pid 19833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19833] write(3, "1000", 4)         = 4
[pid 19833] close(3)                    = 0
[pid 19833] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19833] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19833] write(4, "78", 2)           = 2
[pid 19833] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19833] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19833] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19833] exit_group(0)               = ?
[pid 19833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19833, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19834 attached
, child_tidptr=0x555555af35d0) = 19834
[pid 19834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19834] setpgid(0, 0)               = 0
[pid 19834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19834] write(3, "1000", 4)         = 4
[pid 19834] close(3)                    = 0
[pid 19834] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19834] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19834] write(4, "78", 2)           = 2
[pid 19834] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19834] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19834] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19834] exit_group(0)               = ?
[pid 19834] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19834, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19835 attached
, child_tidptr=0x555555af35d0) = 19835
[pid 19835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19835] setpgid(0, 0)               = 0
[pid 19835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19835] write(3, "1000", 4)         = 4
[pid 19835] close(3)                    = 0
[pid 19835] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19835] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19835] write(4, "78", 2)           = 2
[pid 19835] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19835] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19835] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19835] exit_group(0)               = ?
[pid 19835] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19835, 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 19836 attached
, child_tidptr=0x555555af35d0) = 19836
[pid 19836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19836] setpgid(0, 0)               = 0
[pid 19836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19836] write(3, "1000", 4)         = 4
[pid 19836] close(3)                    = 0
[pid 19836] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19836] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19836] write(4, "78", 2)           = 2
[pid 19836] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19836] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19836] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19836] exit_group(0)               = ?
[pid 19836] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19836, 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 19837 attached
, child_tidptr=0x555555af35d0) = 19837
[pid 19837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19837] setpgid(0, 0)               = 0
[pid 19837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19837] write(3, "1000", 4)         = 4
[pid 19837] close(3)                    = 0
[pid 19837] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19837] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19837] write(4, "78", 2)           = 2
[pid 19837] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19837] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19837] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19837] exit_group(0)               = ?
[pid 19837] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19837, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19838 attached
, child_tidptr=0x555555af35d0) = 19838
[pid 19838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19838] setpgid(0, 0)               = 0
[pid 19838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19838] write(3, "1000", 4)         = 4
[pid 19838] close(3)                    = 0
[pid 19838] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19838] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19838] write(4, "78", 2)           = 2
[pid 19838] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19838] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19838] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19838] exit_group(0)               = ?
[pid 19838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19838, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19839 attached
, child_tidptr=0x555555af35d0) = 19839
[pid 19839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19839] setpgid(0, 0)               = 0
[pid 19839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19839] write(3, "1000", 4)         = 4
[pid 19839] close(3)                    = 0
[pid 19839] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19839] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19839] write(4, "78", 2)           = 2
[pid 19839] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19839] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19839] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19839] exit_group(0)               = ?
[pid 19839] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19839, 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 19840 attached
, child_tidptr=0x555555af35d0) = 19840
[pid 19840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19840] setpgid(0, 0)               = 0
[pid 19840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19840] write(3, "1000", 4)         = 4
[pid 19840] close(3)                    = 0
[pid 19840] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19840] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19840] write(4, "78", 2)           = 2
[pid 19840] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19840] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19840] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19840] exit_group(0)               = ?
[pid 19840] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19840, 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=0x555555af35d0) = 19841
./strace-static-x86_64: Process 19841 attached
[pid 19841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19841] setpgid(0, 0)               = 0
[pid 19841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19841] write(3, "1000", 4)         = 4
[pid 19841] close(3)                    = 0
[pid 19841] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19841] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19841] write(4, "78", 2)           = 2
[pid 19841] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19841] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19841] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19841] exit_group(0)               = ?
[pid 19841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19841, 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 19842 attached
, child_tidptr=0x555555af35d0) = 19842
[pid 19842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19842] setpgid(0, 0)               = 0
[pid 19842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19842] write(3, "1000", 4)         = 4
[pid 19842] close(3)                    = 0
[pid 19842] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19842] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19842] write(4, "78", 2)           = 2
[pid 19842] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19842] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19842] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19842] exit_group(0)               = ?
[pid 19842] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19842, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19843 attached
, child_tidptr=0x555555af35d0) = 19843
[pid 19843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19843] setpgid(0, 0)               = 0
[pid 19843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19843] write(3, "1000", 4)         = 4
[pid 19843] close(3)                    = 0
[pid 19843] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19843] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19843] write(4, "78", 2)           = 2
[pid 19843] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19843] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19843] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19843] exit_group(0)               = ?
[pid 19843] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19843, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19844 attached
, child_tidptr=0x555555af35d0) = 19844
[pid 19844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19844] setpgid(0, 0)               = 0
[pid 19844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19844] write(3, "1000", 4)         = 4
[pid 19844] close(3)                    = 0
[pid 19844] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19844] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19844] write(4, "78", 2)           = 2
[pid 19844] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19844] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19844] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19844] exit_group(0)               = ?
[pid 19844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19844, 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 19845 attached
, child_tidptr=0x555555af35d0) = 19845
[pid 19845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19845] setpgid(0, 0)               = 0
[pid 19845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19845] write(3, "1000", 4)         = 4
[pid 19845] close(3)                    = 0
[pid 19845] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19845] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19845] write(4, "78", 2)           = 2
[pid 19845] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19845] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19845] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19845] exit_group(0)               = ?
[pid 19845] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19845, 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 19846 attached
, child_tidptr=0x555555af35d0) = 19846
[pid 19846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19846] setpgid(0, 0)               = 0
[pid 19846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19846] write(3, "1000", 4)         = 4
[pid 19846] close(3)                    = 0
[pid 19846] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19846] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19846] write(4, "78", 2)           = 2
[pid 19846] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19846] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19846] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19846] exit_group(0)               = ?
[pid 19846] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19846, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19847 attached
, child_tidptr=0x555555af35d0) = 19847
[pid 19847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19847] setpgid(0, 0)               = 0
[pid 19847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19847] write(3, "1000", 4)         = 4
[pid 19847] close(3)                    = 0
[pid 19847] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19847] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19847] write(4, "78", 2)           = 2
[pid 19847] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19847] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19847] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19847] exit_group(0)               = ?
[pid 19847] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19847, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19848 attached
, child_tidptr=0x555555af35d0) = 19848
[pid 19848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19848] setpgid(0, 0)               = 0
[pid 19848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19848] write(3, "1000", 4)         = 4
[pid 19848] close(3)                    = 0
[pid 19848] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19848] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19848] write(4, "78", 2)           = 2
[pid 19848] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19848] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19848] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19848] exit_group(0)               = ?
[pid 19848] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19848, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19849 attached
, child_tidptr=0x555555af35d0) = 19849
[pid 19849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19849] setpgid(0, 0)               = 0
[pid 19849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19849] write(3, "1000", 4)         = 4
[pid 19849] close(3)                    = 0
[pid 19849] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19849] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19849] write(4, "78", 2)           = 2
[pid 19849] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19849] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19849] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19849] exit_group(0)               = ?
[pid 19849] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19849, 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 19850 attached
, child_tidptr=0x555555af35d0) = 19850
[pid 19850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19850] setpgid(0, 0)               = 0
[pid 19850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19850] write(3, "1000", 4)         = 4
[pid 19850] close(3)                    = 0
[pid 19850] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19850] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19850] write(4, "78", 2)           = 2
[pid 19850] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19850] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19850] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19850] exit_group(0)               = ?
[pid 19850] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19850, 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 19851 attached
, child_tidptr=0x555555af35d0) = 19851
[pid 19851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19851] setpgid(0, 0)               = 0
[pid 19851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19851] write(3, "1000", 4)         = 4
[pid 19851] close(3)                    = 0
[pid 19851] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19851] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19851] write(4, "78", 2)           = 2
[pid 19851] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19851] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19851] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19851] exit_group(0)               = ?
[pid 19851] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19851, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19852 attached
, child_tidptr=0x555555af35d0) = 19852
[pid 19852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19852] setpgid(0, 0)               = 0
[pid 19852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19852] write(3, "1000", 4)         = 4
[pid 19852] close(3)                    = 0
[pid 19852] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19852] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19852] write(4, "78", 2)           = 2
[pid 19852] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19852] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19852] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19852] exit_group(0)               = ?
[pid 19852] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19852, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19853 attached
, child_tidptr=0x555555af35d0) = 19853
[pid 19853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19853] setpgid(0, 0)               = 0
[pid 19853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19853] write(3, "1000", 4)         = 4
[pid 19853] close(3)                    = 0
[pid 19853] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19853] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19853] write(4, "78", 2)           = 2
[pid 19853] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19853] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19853] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19853] exit_group(0)               = ?
[pid 19853] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19853, 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 19854 attached
, child_tidptr=0x555555af35d0) = 19854
[pid 19854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19854] setpgid(0, 0)               = 0
[pid 19854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19854] write(3, "1000", 4)         = 4
[pid 19854] close(3)                    = 0
[pid 19854] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19854] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19854] write(4, "78", 2)           = 2
[pid 19854] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19854] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19854] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19854] exit_group(0)               = ?
[pid 19854] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19854, 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=0x555555af35d0) = 19855
./strace-static-x86_64: Process 19855 attached
[pid 19855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19855] setpgid(0, 0)               = 0
[pid 19855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19855] write(3, "1000", 4)         = 4
[pid 19855] close(3)                    = 0
[pid 19855] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19855] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19855] write(4, "78", 2)           = 2
[pid 19855] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19855] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19855] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19855] exit_group(0)               = ?
[pid 19855] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19855, 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 19856 attached
, child_tidptr=0x555555af35d0) = 19856
[pid 19856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19856] setpgid(0, 0)               = 0
[pid 19856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19856] write(3, "1000", 4)         = 4
[pid 19856] close(3)                    = 0
[pid 19856] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19856] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19856] write(4, "78", 2)           = 2
[pid 19856] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19856] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19856] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19856] exit_group(0)               = ?
[pid 19856] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19856, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19857 attached
, child_tidptr=0x555555af35d0) = 19857
[pid 19857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19857] setpgid(0, 0)               = 0
[pid 19857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19857] write(3, "1000", 4)         = 4
[pid 19857] close(3)                    = 0
[pid 19857] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19857] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19857] write(4, "78", 2)           = 2
[pid 19857] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19857] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19857] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19857] exit_group(0)               = ?
[pid 19857] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19857, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19858 attached
, child_tidptr=0x555555af35d0) = 19858
[pid 19858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19858] setpgid(0, 0)               = 0
[pid 19858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19858] write(3, "1000", 4)         = 4
[pid 19858] close(3)                    = 0
[pid 19858] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19858] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19858] write(4, "78", 2)           = 2
[pid 19858] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19858] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19858] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19858] exit_group(0)               = ?
[pid 19858] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19858, 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 19859 attached
, child_tidptr=0x555555af35d0) = 19859
[pid 19859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19859] setpgid(0, 0)               = 0
[pid 19859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19859] write(3, "1000", 4)         = 4
[pid 19859] close(3)                    = 0
[pid 19859] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19859] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19859] write(4, "78", 2)           = 2
[pid 19859] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19859] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19859] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19859] exit_group(0)               = ?
[pid 19859] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19859, 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=0x555555af35d0) = 19860
./strace-static-x86_64: Process 19860 attached
[pid 19860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19860] setpgid(0, 0)               = 0
[pid 19860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19860] write(3, "1000", 4)         = 4
[pid 19860] close(3)                    = 0
[pid 19860] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19860] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19860] write(4, "78", 2)           = 2
[pid 19860] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19860] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19860] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19860] exit_group(0)               = ?
[pid 19860] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19860, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19861 attached
, child_tidptr=0x555555af35d0) = 19861
[pid 19861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19861] setpgid(0, 0)               = 0
[pid 19861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19861] write(3, "1000", 4)         = 4
[pid 19861] close(3)                    = 0
[pid 19861] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19861] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19861] write(4, "78", 2)           = 2
[pid 19861] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19861] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19861] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19861] exit_group(0)               = ?
[pid 19861] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19861, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19862 attached
, child_tidptr=0x555555af35d0) = 19862
[pid 19862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19862] setpgid(0, 0)               = 0
[pid 19862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19862] write(3, "1000", 4)         = 4
[pid 19862] close(3)                    = 0
[pid 19862] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19862] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19862] write(4, "78", 2)           = 2
[pid 19862] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19862] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19862] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19862] exit_group(0)               = ?
[pid 19862] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19862, 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 19863 attached
, child_tidptr=0x555555af35d0) = 19863
[pid 19863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19863] setpgid(0, 0)               = 0
[pid 19863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19863] write(3, "1000", 4)         = 4
[pid 19863] close(3)                    = 0
[pid 19863] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19863] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19863] write(4, "78", 2)           = 2
[pid 19863] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19863] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19863] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19863] exit_group(0)               = ?
[pid 19863] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19863, 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=0x555555af35d0) = 19864
./strace-static-x86_64: Process 19864 attached
[pid 19864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19864] setpgid(0, 0)               = 0
[pid 19864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19864] write(3, "1000", 4)         = 4
[pid 19864] close(3)                    = 0
[pid 19864] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19864] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19864] write(4, "78", 2)           = 2
[pid 19864] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19864] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19864] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19864] exit_group(0)               = ?
[pid 19864] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19864, 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 19865 attached
, child_tidptr=0x555555af35d0) = 19865
[pid 19865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19865] setpgid(0, 0)               = 0
[pid 19865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19865] write(3, "1000", 4)         = 4
[pid 19865] close(3)                    = 0
[pid 19865] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19865] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19865] write(4, "78", 2)           = 2
[pid 19865] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19865] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19865] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19865] exit_group(0)               = ?
[pid 19865] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19865, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19866 attached
, child_tidptr=0x555555af35d0) = 19866
[pid 19866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19866] setpgid(0, 0)               = 0
[pid 19866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19866] write(3, "1000", 4)         = 4
[pid 19866] close(3)                    = 0
[pid 19866] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19866] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19866] write(4, "78", 2)           = 2
[pid 19866] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19866] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19866] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19866] exit_group(0)               = ?
[pid 19866] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19866, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19867
./strace-static-x86_64: Process 19867 attached
[pid 19867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19867] setpgid(0, 0)               = 0
[pid 19867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19867] write(3, "1000", 4)         = 4
[pid 19867] close(3)                    = 0
[pid 19867] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19867] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19867] write(4, "78", 2)           = 2
[pid 19867] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19867] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19867] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19867] exit_group(0)               = ?
[pid 19867] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19867, 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=0x555555af35d0) = 19868
./strace-static-x86_64: Process 19868 attached
[pid 19868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19868] setpgid(0, 0)               = 0
[pid 19868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19868] write(3, "1000", 4)         = 4
[pid 19868] close(3)                    = 0
[pid 19868] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19868] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19868] write(4, "78", 2)           = 2
[pid 19868] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19868] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19868] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19868] exit_group(0)               = ?
[pid 19868] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19868, 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=0x555555af35d0) = 19869
./strace-static-x86_64: Process 19869 attached
[pid 19869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19869] setpgid(0, 0)               = 0
[pid 19869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19869] write(3, "1000", 4)         = 4
[pid 19869] close(3)                    = 0
[pid 19869] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19869] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19869] write(4, "78", 2)           = 2
[pid 19869] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19869] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19869] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19869] exit_group(0)               = ?
[pid 19869] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19869, 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 19870 attached
, child_tidptr=0x555555af35d0) = 19870
[pid 19870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19870] setpgid(0, 0)               = 0
[pid 19870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19870] write(3, "1000", 4)         = 4
[pid 19870] close(3)                    = 0
[pid 19870] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19870] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19870] write(4, "78", 2)           = 2
[pid 19870] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19870] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19870] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 19870] exit_group(0)               = ?
[pid 19870] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19870, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19871 attached
, child_tidptr=0x555555af35d0) = 19871
[pid 19871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19871] setpgid(0, 0)               = 0
[pid 19871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19871] write(3, "1000", 4)         = 4
[pid 19871] close(3)                    = 0
[pid 19871] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19871] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19871] write(4, "78", 2)           = 2
[pid 19871] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 19871] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19871] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19871] exit_group(0)               = ?
[pid 19871] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19871, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19872 attached
, child_tidptr=0x555555af35d0) = 19872
[pid 19872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19872] setpgid(0, 0)               = 0
[pid 19872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19872] write(3, "1000", 4)         = 4
[pid 19872] close(3)                    = 0
[pid 19872] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19872] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19872] write(4, "78", 2)           = 2
[pid 19872] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19872] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19872] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19872] exit_group(0)               = ?
[pid 19872] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19872, 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 19873 attached
, child_tidptr=0x555555af35d0) = 19873
[pid 19873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19873] setpgid(0, 0)               = 0
[pid 19873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19873] write(3, "1000", 4)         = 4
[pid 19873] close(3)                    = 0
[pid 19873] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19873] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19873] write(4, "78", 2)           = 2
[pid 19873] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19873] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19873] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19873] exit_group(0)               = ?
[pid 19873] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19873, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19874 attached
, child_tidptr=0x555555af35d0) = 19874
[pid 19874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19874] setpgid(0, 0)               = 0
[pid 19874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19874] write(3, "1000", 4)         = 4
[pid 19874] close(3)                    = 0
[pid 19874] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19874] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19874] write(4, "78", 2)           = 2
[pid 19874] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19874] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19874] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19874] exit_group(0)               = ?
[pid 19874] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19874, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19875 attached
, child_tidptr=0x555555af35d0) = 19875
[pid 19875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19875] setpgid(0, 0)               = 0
[pid 19875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19875] write(3, "1000", 4)         = 4
[pid 19875] close(3)                    = 0
[pid 19875] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19875] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19875] write(4, "78", 2)           = 2
[pid 19875] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19875] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19875] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19875] exit_group(0)               = ?
[pid 19875] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19875, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19876
./strace-static-x86_64: Process 19876 attached
[pid 19876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19876] setpgid(0, 0)               = 0
[pid 19876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19876] write(3, "1000", 4)         = 4
[pid 19876] close(3)                    = 0
[pid 19876] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19876] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19876] write(4, "78", 2)           = 2
[pid 19876] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19876] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19876] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19876] exit_group(0)               = ?
[pid 19876] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19876, 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 19877 attached
, child_tidptr=0x555555af35d0) = 19877
[pid 19877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19877] setpgid(0, 0)               = 0
[pid 19877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19877] write(3, "1000", 4)         = 4
[pid 19877] close(3)                    = 0
[pid 19877] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19877] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19877] write(4, "78", 2)           = 2
[pid 19877] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19877] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19877] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19877] exit_group(0)               = ?
[pid 19877] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19877, 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=0x555555af35d0) = 19878
./strace-static-x86_64: Process 19878 attached
[pid 19878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19878] setpgid(0, 0)               = 0
[pid 19878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19878] write(3, "1000", 4)         = 4
[pid 19878] close(3)                    = 0
[pid 19878] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19878] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19878] write(4, "78", 2)           = 2
[pid 19878] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19878] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19878] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19878] exit_group(0)               = ?
[pid 19878] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19878, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19879 attached
, child_tidptr=0x555555af35d0) = 19879
[pid 19879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19879] setpgid(0, 0)               = 0
[pid 19879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19879] write(3, "1000", 4)         = 4
[pid 19879] close(3)                    = 0
[pid 19879] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19879] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19879] write(4, "78", 2)           = 2
[pid 19879] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19879] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19879] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19879] exit_group(0)               = ?
[pid 19879] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19879, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19880 attached
, child_tidptr=0x555555af35d0) = 19880
[pid 19880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19880] setpgid(0, 0)               = 0
[pid 19880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19880] write(3, "1000", 4)         = 4
[pid 19880] close(3)                    = 0
[pid 19880] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19880] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19880] write(4, "78", 2)           = 2
[pid 19880] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19880] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19880] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19880] exit_group(0)               = ?
[pid 19880] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19880, 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 19881 attached
, child_tidptr=0x555555af35d0) = 19881
[pid 19881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19881] setpgid(0, 0)               = 0
[pid 19881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19881] write(3, "1000", 4)         = 4
[pid 19881] close(3)                    = 0
[pid 19881] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19881] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19881] write(4, "78", 2)           = 2
[pid 19881] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19881] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19881] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19881] exit_group(0)               = ?
[pid 19881] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19881, 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 19882 attached
, child_tidptr=0x555555af35d0) = 19882
[pid 19882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19882] setpgid(0, 0)               = 0
[pid 19882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19882] write(3, "1000", 4)         = 4
[pid 19882] close(3)                    = 0
[pid 19882] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19882] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19882] write(4, "78", 2)           = 2
[pid 19882] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19882] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19882] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19882] exit_group(0)               = ?
[pid 19882] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19882, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19883 attached
, child_tidptr=0x555555af35d0) = 19883
[pid 19883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19883] setpgid(0, 0)               = 0
[pid 19883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19883] write(3, "1000", 4)         = 4
[pid 19883] close(3)                    = 0
[pid 19883] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19883] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19883] write(4, "78", 2)           = 2
[pid 19883] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19883] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19883] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19883] exit_group(0)               = ?
[pid 19883] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19883, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19884
./strace-static-x86_64: Process 19884 attached
[pid 19884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19884] setpgid(0, 0)               = 0
[pid 19884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19884] write(3, "1000", 4)         = 4
[pid 19884] close(3)                    = 0
[pid 19884] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19884] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19884] write(4, "78", 2)           = 2
[pid 19884] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19884] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19884] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19884] exit_group(0)               = ?
[pid 19884] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19884, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19885 attached
, child_tidptr=0x555555af35d0) = 19885
[pid 19885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19885] setpgid(0, 0)               = 0
[pid 19885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19885] write(3, "1000", 4)         = 4
[pid 19885] close(3)                    = 0
[pid 19885] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19885] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19885] write(4, "78", 2)           = 2
[pid 19885] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19885] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19885] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19885] exit_group(0)               = ?
[pid 19885] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19885, 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=0x555555af35d0) = 19886
./strace-static-x86_64: Process 19886 attached
[pid 19886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19886] setpgid(0, 0)               = 0
[pid 19886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19886] write(3, "1000", 4)         = 4
[pid 19886] close(3)                    = 0
[pid 19886] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19886] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19886] write(4, "78", 2)           = 2
[pid 19886] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19886] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19886] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19886] exit_group(0)               = ?
[pid 19886] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19886, 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 19887 attached
, child_tidptr=0x555555af35d0) = 19887
[pid 19887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19887] setpgid(0, 0)               = 0
[pid 19887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19887] write(3, "1000", 4)         = 4
[pid 19887] close(3)                    = 0
[pid 19887] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19887] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19887] write(4, "78", 2)           = 2
[pid 19887] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19887] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19887] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19887] exit_group(0)               = ?
[pid 19887] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19887, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19888 attached
, child_tidptr=0x555555af35d0) = 19888
[pid 19888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19888] setpgid(0, 0)               = 0
[pid 19888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19888] write(3, "1000", 4)         = 4
[pid 19888] close(3)                    = 0
[pid 19888] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19888] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19888] write(4, "78", 2)           = 2
[pid 19888] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19888] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19888] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19888] exit_group(0)               = ?
[pid 19888] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19888, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19889 attached
, child_tidptr=0x555555af35d0) = 19889
[pid 19889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19889] setpgid(0, 0)               = 0
[pid 19889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19889] write(3, "1000", 4)         = 4
[pid 19889] close(3)                    = 0
[pid 19889] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19889] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19889] write(4, "78", 2)           = 2
[pid 19889] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19889] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19889] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19889] exit_group(0)               = ?
[pid 19889] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19889, 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 19890 attached
, child_tidptr=0x555555af35d0) = 19890
[pid 19890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19890] setpgid(0, 0)               = 0
[pid 19890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19890] write(3, "1000", 4)         = 4
[pid 19890] close(3)                    = 0
[pid 19890] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19890] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19890] write(4, "78", 2)           = 2
[pid 19890] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19890] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19890] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19890] exit_group(0)               = ?
[pid 19890] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19890, 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 19891 attached
, child_tidptr=0x555555af35d0) = 19891
[pid 19891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19891] setpgid(0, 0)               = 0
[pid 19891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19891] write(3, "1000", 4)         = 4
[pid 19891] close(3)                    = 0
[pid 19891] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19891] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19891] write(4, "78", 2)           = 2
[pid 19891] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19891] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19891] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19891] exit_group(0)               = ?
[pid 19891] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19891, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19892
./strace-static-x86_64: Process 19892 attached
[pid 19892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19892] setpgid(0, 0)               = 0
[pid 19892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19892] write(3, "1000", 4)         = 4
[pid 19892] close(3)                    = 0
[pid 19892] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19892] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19892] write(4, "78", 2)           = 2
[pid 19892] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19892] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19892] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19892] exit_group(0)               = ?
[pid 19892] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19892, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19893 attached
, child_tidptr=0x555555af35d0) = 19893
[pid 19893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19893] setpgid(0, 0)               = 0
[pid 19893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19893] write(3, "1000", 4)         = 4
[pid 19893] close(3)                    = 0
[pid 19893] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19893] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19893] write(4, "78", 2)           = 2
[pid 19893] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19893] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19893] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19893] exit_group(0)               = ?
[pid 19893] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19893, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19894 attached
, child_tidptr=0x555555af35d0) = 19894
[pid 19894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19894] setpgid(0, 0)               = 0
[pid 19894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19894] write(3, "1000", 4)         = 4
[pid 19894] close(3)                    = 0
[pid 19894] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19894] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19894] write(4, "78", 2)           = 2
[pid 19894] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19894] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19894] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19894] exit_group(0)               = ?
[pid 19894] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19894, 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 19895 attached
, child_tidptr=0x555555af35d0) = 19895
[pid 19895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19895] setpgid(0, 0)               = 0
[pid 19895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19895] write(3, "1000", 4)         = 4
[pid 19895] close(3)                    = 0
[pid 19895] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19895] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19895] write(4, "78", 2)           = 2
[pid 19895] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19895] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19895] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19895] exit_group(0)               = ?
[pid 19895] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19895, 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 19896 attached
, child_tidptr=0x555555af35d0) = 19896
[pid 19896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19896] setpgid(0, 0)               = 0
[pid 19896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19896] write(3, "1000", 4)         = 4
[pid 19896] close(3)                    = 0
[pid 19896] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19896] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19896] write(4, "78", 2)           = 2
[pid 19896] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19896] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19896] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19896] exit_group(0)               = ?
[pid 19896] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19896, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19897 attached
, child_tidptr=0x555555af35d0) = 19897
[pid 19897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19897] setpgid(0, 0)               = 0
[pid 19897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19897] write(3, "1000", 4)         = 4
[pid 19897] close(3)                    = 0
[pid 19897] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19897] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19897] write(4, "78", 2)           = 2
[pid 19897] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19897] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19897] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19897] exit_group(0)               = ?
[pid 19897] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19897, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19898 attached
, child_tidptr=0x555555af35d0) = 19898
[pid 19898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19898] setpgid(0, 0)               = 0
[pid 19898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19898] write(3, "1000", 4)         = 4
[pid 19898] close(3)                    = 0
[pid 19898] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19898] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19898] write(4, "78", 2)           = 2
[pid 19898] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19898] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19898] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19898] exit_group(0)               = ?
[pid 19898] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19898, 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 19899 attached
, child_tidptr=0x555555af35d0) = 19899
[pid 19899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19899] setpgid(0, 0)               = 0
[pid 19899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19899] write(3, "1000", 4)         = 4
[pid 19899] close(3)                    = 0
[pid 19899] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19899] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19899] write(4, "78", 2)           = 2
[pid 19899] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19899] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19899] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19899] exit_group(0)               = ?
[pid 19899] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19899, 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 19900 attached
, child_tidptr=0x555555af35d0) = 19900
[pid 19900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19900] setpgid(0, 0)               = 0
[pid 19900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19900] write(3, "1000", 4)         = 4
[pid 19900] close(3)                    = 0
[pid 19900] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19900] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19900] write(4, "78", 2)           = 2
[pid 19900] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19900] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19900] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19900] exit_group(0)               = ?
[pid 19900] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19900, 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 19901 attached
, child_tidptr=0x555555af35d0) = 19901
[pid 19901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19901] setpgid(0, 0)               = 0
[pid 19901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19901] write(3, "1000", 4)         = 4
[pid 19901] close(3)                    = 0
[pid 19901] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19901] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19901] write(4, "78", 2)           = 2
[pid 19901] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19901] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19901] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19901] exit_group(0)               = ?
[pid 19901] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19901, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19902 attached
, child_tidptr=0x555555af35d0) = 19902
[pid 19902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19902] setpgid(0, 0)               = 0
[pid 19902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19902] write(3, "1000", 4)         = 4
[pid 19902] close(3)                    = 0
[pid 19902] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19902] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19902] write(4, "78", 2)           = 2
[pid 19902] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19902] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19902] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19902] exit_group(0)               = ?
[pid 19902] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19902, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19903 attached
, child_tidptr=0x555555af35d0) = 19903
[pid 19903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19903] setpgid(0, 0)               = 0
[pid 19903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19903] write(3, "1000", 4)         = 4
[pid 19903] close(3)                    = 0
[pid 19903] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19903] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19903] write(4, "78", 2)           = 2
[pid 19903] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19903] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19903] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19903] exit_group(0)               = ?
[pid 19903] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19903, 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=0x555555af35d0) = 19904
./strace-static-x86_64: Process 19904 attached
[pid 19904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19904] setpgid(0, 0)               = 0
[pid 19904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19904] write(3, "1000", 4)         = 4
[pid 19904] close(3)                    = 0
[pid 19904] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19904] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19904] write(4, "78", 2)           = 2
[pid 19904] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19904] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19904] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19904] exit_group(0)               = ?
[pid 19904] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19904, 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 19905 attached
, child_tidptr=0x555555af35d0) = 19905
[pid 19905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19905] setpgid(0, 0)               = 0
[pid 19905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19905] write(3, "1000", 4)         = 4
[pid 19905] close(3)                    = 0
[pid 19905] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19905] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19905] write(4, "78", 2)           = 2
[pid 19905] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19905] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19905] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19905] exit_group(0)               = ?
[pid 19905] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19905, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19906 attached
, child_tidptr=0x555555af35d0) = 19906
[pid 19906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19906] setpgid(0, 0)               = 0
[pid 19906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19906] write(3, "1000", 4)         = 4
[pid 19906] close(3)                    = 0
[pid 19906] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19906] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19906] write(4, "78", 2)           = 2
[pid 19906] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19906] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19906] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19906] exit_group(0)               = ?
[pid 19906] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19906, 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 19907 attached
, child_tidptr=0x555555af35d0) = 19907
[pid 19907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19907] setpgid(0, 0)               = 0
[pid 19907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19907] write(3, "1000", 4)         = 4
[pid 19907] close(3)                    = 0
[pid 19907] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19907] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19907] write(4, "78", 2)           = 2
[pid 19907] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19907] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19907] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19907] exit_group(0)               = ?
[pid 19907] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19907, 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 19908 attached
, child_tidptr=0x555555af35d0) = 19908
[pid 19908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19908] setpgid(0, 0)               = 0
[pid 19908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19908] write(3, "1000", 4)         = 4
[pid 19908] close(3)                    = 0
[pid 19908] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19908] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19908] write(4, "78", 2)           = 2
[pid 19908] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19908] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19908] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19908] exit_group(0)               = ?
[pid 19908] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19908, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19909
./strace-static-x86_64: Process 19909 attached
[pid 19909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19909] setpgid(0, 0)               = 0
[pid 19909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19909] write(3, "1000", 4)         = 4
[pid 19909] close(3)                    = 0
[pid 19909] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19909] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19909] write(4, "78", 2)           = 2
[pid 19909] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19909] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19909] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19909] exit_group(0)               = ?
[pid 19909] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19909, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19910 attached
, child_tidptr=0x555555af35d0) = 19910
[pid 19910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19910] setpgid(0, 0)               = 0
[pid 19910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19910] write(3, "1000", 4)         = 4
[pid 19910] close(3)                    = 0
[pid 19910] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19910] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19910] write(4, "78", 2)           = 2
[pid 19910] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19910] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19910] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19910] exit_group(0)               = ?
[pid 19910] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19910, 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=0x555555af35d0) = 19911
./strace-static-x86_64: Process 19911 attached
[pid 19911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19911] setpgid(0, 0)               = 0
[pid 19911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19911] write(3, "1000", 4)         = 4
[pid 19911] close(3)                    = 0
[pid 19911] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19911] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19911] write(4, "78", 2)           = 2
[pid 19911] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19911] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19911] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19911] exit_group(0)               = ?
[pid 19911] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19911, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19912 attached
, child_tidptr=0x555555af35d0) = 19912
[pid 19912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19912] setpgid(0, 0)               = 0
[pid 19912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19912] write(3, "1000", 4)         = 4
[pid 19912] close(3)                    = 0
[pid 19912] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19912] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19912] write(4, "78", 2)           = 2
[pid 19912] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19912] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19912] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19912] exit_group(0)               = ?
[pid 19912] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19912, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19913 attached
, child_tidptr=0x555555af35d0) = 19913
[pid 19913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19913] setpgid(0, 0)               = 0
[pid 19913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19913] write(3, "1000", 4)         = 4
[pid 19913] close(3)                    = 0
[pid 19913] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19913] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19913] write(4, "78", 2)           = 2
[pid 19913] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19913] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19913] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19913] exit_group(0)               = ?
[pid 19913] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19913, 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=0x555555af35d0) = 19914
./strace-static-x86_64: Process 19914 attached
[pid 19914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19914] setpgid(0, 0)               = 0
[pid 19914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19914] write(3, "1000", 4)         = 4
[pid 19914] close(3)                    = 0
[pid 19914] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19914] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19914] write(4, "78", 2)           = 2
[pid 19914] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19914] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19914] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19914] exit_group(0)               = ?
[pid 19914] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19914, 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 19915 attached
, child_tidptr=0x555555af35d0) = 19915
[pid 19915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19915] setpgid(0, 0)               = 0
[pid 19915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19915] write(3, "1000", 4)         = 4
[pid 19915] close(3)                    = 0
[pid 19915] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19915] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19915] write(4, "78", 2)           = 2
[pid 19915] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19915] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19915] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19915] exit_group(0)               = ?
[pid 19915] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19915, 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 19916 attached
, child_tidptr=0x555555af35d0) = 19916
[pid 19916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19916] setpgid(0, 0)               = 0
[pid 19916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19916] write(3, "1000", 4)         = 4
[pid 19916] close(3)                    = 0
[pid 19916] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19916] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19916] write(4, "78", 2)           = 2
[pid 19916] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19916] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19916] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19916] exit_group(0)               = ?
[pid 19916] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19916, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19917 attached
, child_tidptr=0x555555af35d0) = 19917
[pid 19917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19917] setpgid(0, 0)               = 0
[pid 19917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19917] write(3, "1000", 4)         = 4
[pid 19917] close(3)                    = 0
[pid 19917] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19917] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19917] write(4, "78", 2)           = 2
[pid 19917] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19917] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19917] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19917] exit_group(0)               = ?
[pid 19917] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19917, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19918 attached
, child_tidptr=0x555555af35d0) = 19918
[pid 19918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19918] setpgid(0, 0)               = 0
[pid 19918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19918] write(3, "1000", 4)         = 4
[pid 19918] close(3)                    = 0
[pid 19918] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19918] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19918] write(4, "78", 2)           = 2
[pid 19918] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19918] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19918] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19918] exit_group(0)               = ?
[pid 19918] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19918, 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 19919 attached
, child_tidptr=0x555555af35d0) = 19919
[pid 19919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19919] setpgid(0, 0)               = 0
[pid 19919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19919] write(3, "1000", 4)         = 4
[pid 19919] close(3)                    = 0
[pid 19919] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19919] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19919] write(4, "78", 2)           = 2
[pid 19919] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19919] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19919] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19919] exit_group(0)               = ?
[pid 19919] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19919, 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 19920 attached
, child_tidptr=0x555555af35d0) = 19920
[pid 19920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19920] setpgid(0, 0)               = 0
[pid 19920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19920] write(3, "1000", 4)         = 4
[pid 19920] close(3)                    = 0
[pid 19920] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19920] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19920] write(4, "78", 2)           = 2
[pid 19920] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19920] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19920] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19920] exit_group(0)               = ?
[pid 19920] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19920, 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 19921 attached
, child_tidptr=0x555555af35d0) = 19921
[pid 19921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19921] setpgid(0, 0)               = 0
[pid 19921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19921] write(3, "1000", 4)         = 4
[pid 19921] close(3)                    = 0
[pid 19921] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19921] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19921] write(4, "78", 2)           = 2
[pid 19921] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19921] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19921] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19921] exit_group(0)               = ?
[pid 19921] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19921, 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 19922 attached
, child_tidptr=0x555555af35d0) = 19922
[pid 19922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19922] setpgid(0, 0)               = 0
[pid 19922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19922] write(3, "1000", 4)         = 4
[pid 19922] close(3)                    = 0
[pid 19922] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19922] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19922] write(4, "78", 2)           = 2
[pid 19922] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19922] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19922] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19922] exit_group(0)               = ?
[pid 19922] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19922, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19923 attached
, child_tidptr=0x555555af35d0) = 19923
[pid 19923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19923] setpgid(0, 0)               = 0
[pid 19923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19923] write(3, "1000", 4)         = 4
[pid 19923] close(3)                    = 0
[pid 19923] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19923] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19923] write(4, "78", 2)           = 2
[pid 19923] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19923] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19923] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19923] exit_group(0)               = ?
[pid 19923] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19923, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19924 attached
, child_tidptr=0x555555af35d0) = 19924
[pid 19924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19924] setpgid(0, 0)               = 0
[pid 19924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19924] write(3, "1000", 4)         = 4
[pid 19924] close(3)                    = 0
[pid 19924] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19924] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19924] write(4, "78", 2)           = 2
[pid 19924] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19924] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19924] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19924] exit_group(0)               = ?
[pid 19924] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19924, 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 19925 attached
, child_tidptr=0x555555af35d0) = 19925
[pid 19925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19925] setpgid(0, 0)               = 0
[pid 19925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19925] write(3, "1000", 4)         = 4
[pid 19925] close(3)                    = 0
[pid 19925] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19925] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19925] write(4, "78", 2)           = 2
[pid 19925] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19925] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19925] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19925] exit_group(0)               = ?
[pid 19925] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19925, 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=0x555555af35d0) = 19926
./strace-static-x86_64: Process 19926 attached
[pid 19926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19926] setpgid(0, 0)               = 0
[pid 19926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19926] write(3, "1000", 4)         = 4
[pid 19926] close(3)                    = 0
[pid 19926] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19926] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19926] write(4, "78", 2)           = 2
[pid 19926] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19926] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19926] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19926] exit_group(0)               = ?
[pid 19926] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19926, 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 19927 attached
, child_tidptr=0x555555af35d0) = 19927
[pid 19927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19927] setpgid(0, 0)               = 0
[pid 19927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19927] write(3, "1000", 4)         = 4
[pid 19927] close(3)                    = 0
[pid 19927] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19927] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19927] write(4, "78", 2)           = 2
[pid 19927] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19927] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19927] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19927] exit_group(0)               = ?
[pid 19927] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19927, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19928 attached
, child_tidptr=0x555555af35d0) = 19928
[pid 19928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19928] setpgid(0, 0)               = 0
[pid 19928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19928] write(3, "1000", 4)         = 4
[pid 19928] close(3)                    = 0
[pid 19928] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19928] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19928] write(4, "78", 2)           = 2
[pid 19928] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19928] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19928] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19928] exit_group(0)               = ?
[pid 19928] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19928, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19929
./strace-static-x86_64: Process 19929 attached
[pid 19929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19929] setpgid(0, 0)               = 0
[pid 19929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19929] write(3, "1000", 4)         = 4
[pid 19929] close(3)                    = 0
[pid 19929] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19929] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19929] write(4, "78", 2)           = 2
[pid 19929] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19929] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19929] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19929] exit_group(0)               = ?
[pid 19929] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19929, 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 19930 attached
, child_tidptr=0x555555af35d0) = 19930
[pid 19930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19930] setpgid(0, 0)               = 0
[pid 19930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19930] write(3, "1000", 4)         = 4
[pid 19930] close(3)                    = 0
[pid 19930] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19930] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19930] write(4, "78", 2)           = 2
[pid 19930] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19930] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19930] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19930] exit_group(0)               = ?
[pid 19930] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19930, 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 19931 attached
, child_tidptr=0x555555af35d0) = 19931
[pid 19931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19931] setpgid(0, 0)               = 0
[pid 19931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19931] write(3, "1000", 4)         = 4
[pid 19931] close(3)                    = 0
[pid 19931] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19931] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19931] write(4, "78", 2)           = 2
[pid 19931] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19931] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19931] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19931] exit_group(0)               = ?
[pid 19931] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19931, 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 19932 attached
, child_tidptr=0x555555af35d0) = 19932
[pid 19932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19932] setpgid(0, 0)               = 0
[pid 19932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19932] write(3, "1000", 4)         = 4
[pid 19932] close(3)                    = 0
[pid 19932] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19932] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19932] write(4, "78", 2)           = 2
[pid 19932] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19932] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19932] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19932] exit_group(0)               = ?
[pid 19932] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19932, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19933 attached
, child_tidptr=0x555555af35d0) = 19933
[pid 19933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19933] setpgid(0, 0)               = 0
[pid 19933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19933] write(3, "1000", 4)         = 4
[pid 19933] close(3)                    = 0
[pid 19933] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19933] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19933] write(4, "78", 2)           = 2
[pid 19933] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19933] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19933] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19933] exit_group(0)               = ?
[pid 19933] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19933, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19934 attached
, child_tidptr=0x555555af35d0) = 19934
[pid 19934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19934] setpgid(0, 0)               = 0
[pid 19934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19934] write(3, "1000", 4)         = 4
[pid 19934] close(3)                    = 0
[pid 19934] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19934] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19934] write(4, "78", 2)           = 2
[pid 19934] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19934] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19934] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19934] exit_group(0)               = ?
[pid 19934] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19934, 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 19935 attached
, child_tidptr=0x555555af35d0) = 19935
[pid 19935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19935] setpgid(0, 0)               = 0
[pid 19935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19935] write(3, "1000", 4)         = 4
[pid 19935] close(3)                    = 0
[pid 19935] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19935] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19935] write(4, "78", 2)           = 2
[pid 19935] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19935] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19935] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19935] exit_group(0)               = ?
[pid 19935] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19935, 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 19936 attached
, child_tidptr=0x555555af35d0) = 19936
[pid 19936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19936] setpgid(0, 0)               = 0
[pid 19936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19936] write(3, "1000", 4)         = 4
[pid 19936] close(3)                    = 0
[pid 19936] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19936] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19936] write(4, "78", 2)           = 2
[pid 19936] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19936] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19936] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19936] exit_group(0)               = ?
[pid 19936] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19936, 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 19937 attached
, child_tidptr=0x555555af35d0) = 19937
[pid 19937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19937] setpgid(0, 0)               = 0
[pid 19937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19937] write(3, "1000", 4)         = 4
[pid 19937] close(3)                    = 0
[pid 19937] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19937] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19937] write(4, "78", 2)           = 2
[pid 19937] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19937] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19937] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19937] exit_group(0)               = ?
[pid 19937] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19937, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19938 attached
, child_tidptr=0x555555af35d0) = 19938
[pid 19938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19938] setpgid(0, 0)               = 0
[pid 19938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19938] write(3, "1000", 4)         = 4
[pid 19938] close(3)                    = 0
[pid 19938] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19938] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19938] write(4, "78", 2)           = 2
[pid 19938] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19938] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19938] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19938] exit_group(0)               = ?
[pid 19938] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19938, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19939 attached
, child_tidptr=0x555555af35d0) = 19939
[pid 19939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19939] setpgid(0, 0)               = 0
[pid 19939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19939] write(3, "1000", 4)         = 4
[pid 19939] close(3)                    = 0
[pid 19939] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19939] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19939] write(4, "78", 2)           = 2
[pid 19939] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19939] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19939] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19939] exit_group(0)               = ?
[pid 19939] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19939, 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 19940 attached
, child_tidptr=0x555555af35d0) = 19940
[pid 19940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19940] setpgid(0, 0)               = 0
[pid 19940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19940] write(3, "1000", 4)         = 4
[pid 19940] close(3)                    = 0
[pid 19940] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19940] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19940] write(4, "78", 2)           = 2
[pid 19940] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19940] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19940] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19940] exit_group(0)               = ?
[pid 19940] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19940, 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=0x555555af35d0) = 19941
./strace-static-x86_64: Process 19941 attached
[pid 19941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19941] setpgid(0, 0)               = 0
[pid 19941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19941] write(3, "1000", 4)         = 4
[pid 19941] close(3)                    = 0
[pid 19941] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19941] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19941] write(4, "78", 2)           = 2
[pid 19941] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19941] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19941] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19941] exit_group(0)               = ?
[pid 19941] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19941, 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=0x555555af35d0) = 19942
./strace-static-x86_64: Process 19942 attached
[pid 19942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19942] setpgid(0, 0)               = 0
[pid 19942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19942] write(3, "1000", 4)         = 4
[pid 19942] close(3)                    = 0
[pid 19942] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19942] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19942] write(4, "78", 2)           = 2
[pid 19942] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19942] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19942] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19942] exit_group(0)               = ?
[pid 19942] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19942, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19943
./strace-static-x86_64: Process 19943 attached
[pid 19943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19943] setpgid(0, 0)               = 0
[pid 19943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19943] write(3, "1000", 4)         = 4
[pid 19943] close(3)                    = 0
[pid 19943] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19943] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19943] write(4, "78", 2)           = 2
[pid 19943] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19943] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19943] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19943] exit_group(0)               = ?
[pid 19943] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19943, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19944
./strace-static-x86_64: Process 19944 attached
[pid 19944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19944] setpgid(0, 0)               = 0
[pid 19944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19944] write(3, "1000", 4)         = 4
[pid 19944] close(3)                    = 0
[pid 19944] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19944] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19944] write(4, "78", 2)           = 2
[pid 19944] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19944] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19944] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19944] exit_group(0)               = ?
[pid 19944] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19944, 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 19945 attached
, child_tidptr=0x555555af35d0) = 19945
[pid 19945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19945] setpgid(0, 0)               = 0
[pid 19945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19945] write(3, "1000", 4)         = 4
[pid 19945] close(3)                    = 0
[pid 19945] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19945] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19945] write(4, "78", 2)           = 2
[pid 19945] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19945] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19945] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19945] exit_group(0)               = ?
[pid 19945] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19945, 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 19946 attached
, child_tidptr=0x555555af35d0) = 19946
[pid 19946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19946] setpgid(0, 0)               = 0
[pid 19946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19946] write(3, "1000", 4)         = 4
[pid 19946] close(3)                    = 0
[pid 19946] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19946] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19946] write(4, "78", 2)           = 2
[pid 19946] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19946] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19946] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19946] exit_group(0)               = ?
[pid 19946] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19946, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19947 attached
, child_tidptr=0x555555af35d0) = 19947
[pid 19947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19947] setpgid(0, 0)               = 0
[pid 19947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19947] write(3, "1000", 4)         = 4
[pid 19947] close(3)                    = 0
[pid 19947] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19947] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19947] write(4, "78", 2)           = 2
[pid 19947] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19947] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19947] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19947] exit_group(0)               = ?
[pid 19947] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19947, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19948
./strace-static-x86_64: Process 19948 attached
[pid 19948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19948] setpgid(0, 0)               = 0
[pid 19948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19948] write(3, "1000", 4)         = 4
[pid 19948] close(3)                    = 0
[pid 19948] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19948] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19948] write(4, "78", 2)           = 2
[pid 19948] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19948] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19948] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19948] exit_group(0)               = ?
[pid 19948] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19948, 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 19949 attached
, child_tidptr=0x555555af35d0) = 19949
[pid 19949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19949] setpgid(0, 0)               = 0
[pid 19949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19949] write(3, "1000", 4)         = 4
[pid 19949] close(3)                    = 0
[pid 19949] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19949] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19949] write(4, "78", 2)           = 2
[pid 19949] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19949] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19949] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19949] exit_group(0)               = ?
[pid 19949] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19949, 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 19950 attached
, child_tidptr=0x555555af35d0) = 19950
[pid 19950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19950] setpgid(0, 0)               = 0
[pid 19950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19950] write(3, "1000", 4)         = 4
[pid 19950] close(3)                    = 0
[pid 19950] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19950] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19950] write(4, "78", 2)           = 2
[pid 19950] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19950] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19950] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19950] exit_group(0)               = ?
[pid 19950] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19950, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19951
./strace-static-x86_64: Process 19951 attached
[pid 19951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19951] setpgid(0, 0)               = 0
[pid 19951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19951] write(3, "1000", 4)         = 4
[pid 19951] close(3)                    = 0
[pid 19951] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19951] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19951] write(4, "78", 2)           = 2
[pid 19951] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19951] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19951] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19951] exit_group(0)               = ?
[pid 19951] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19951, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19952
./strace-static-x86_64: Process 19952 attached
[pid 19952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19952] setpgid(0, 0)               = 0
[pid 19952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19952] write(3, "1000", 4)         = 4
[pid 19952] close(3)                    = 0
[pid 19952] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19952] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19952] write(4, "78", 2)           = 2
[pid 19952] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19952] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19952] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19952] exit_group(0)               = ?
[pid 19952] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19952, 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=0x555555af35d0) = 19953
./strace-static-x86_64: Process 19953 attached
[pid 19953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19953] setpgid(0, 0)               = 0
[pid 19953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19953] write(3, "1000", 4)         = 4
[pid 19953] close(3)                    = 0
[pid 19953] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19953] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19953] write(4, "78", 2)           = 2
[pid 19953] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19953] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19953] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19953] exit_group(0)               = ?
[pid 19953] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19953, 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 19954 attached
, child_tidptr=0x555555af35d0) = 19954
[pid 19954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19954] setpgid(0, 0)               = 0
[pid 19954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19954] write(3, "1000", 4)         = 4
[pid 19954] close(3)                    = 0
[pid 19954] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19954] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19954] write(4, "78", 2)           = 2
[pid 19954] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19954] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19954] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19954] exit_group(0)               = ?
[pid 19954] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19954, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19955
./strace-static-x86_64: Process 19955 attached
[pid 19955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19955] setpgid(0, 0)               = 0
[pid 19955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19955] write(3, "1000", 4)         = 4
[pid 19955] close(3)                    = 0
[pid 19955] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19955] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19955] write(4, "78", 2)           = 2
[pid 19955] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 19955] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19955] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 19955] exit_group(0)               = ?
[pid 19955] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19955, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19956
./strace-static-x86_64: Process 19956 attached
[pid 19956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19956] setpgid(0, 0)               = 0
[pid 19956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19956] write(3, "1000", 4)         = 4
[pid 19956] close(3)                    = 0
[pid 19956] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19956] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19956] write(4, "78", 2)           = 2
[pid 19956] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 19956] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19956] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 19956] exit_group(0)               = ?
[pid 19956] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19956, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19957 attached
, child_tidptr=0x555555af35d0) = 19957
[pid 19957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19957] setpgid(0, 0)               = 0
[pid 19957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19957] write(3, "1000", 4)         = 4
[pid 19957] close(3)                    = 0
[pid 19957] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19957] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19957] write(4, "78", 2)           = 2
[pid 19957] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19957] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19957] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19957] exit_group(0)               = ?
[pid 19957] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19957, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19958
./strace-static-x86_64: Process 19958 attached
[pid 19958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19958] setpgid(0, 0)               = 0
[pid 19958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19958] write(3, "1000", 4)         = 4
[pid 19958] close(3)                    = 0
[pid 19958] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19958] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19958] write(4, "78", 2)           = 2
[pid 19958] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19958] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19958] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19958] exit_group(0)               = ?
[pid 19958] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19958, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19959
./strace-static-x86_64: Process 19959 attached
[pid 19959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19959] setpgid(0, 0)               = 0
[pid 19959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19959] write(3, "1000", 4)         = 4
[pid 19959] close(3)                    = 0
[pid 19959] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19959] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19959] write(4, "78", 2)           = 2
[pid 19959] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19959] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19959] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19959] exit_group(0)               = ?
[pid 19959] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19959, 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=0x555555af35d0) = 19960
./strace-static-x86_64: Process 19960 attached
[pid 19960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19960] setpgid(0, 0)               = 0
[pid 19960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19960] write(3, "1000", 4)         = 4
[pid 19960] close(3)                    = 0
[pid 19960] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19960] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19960] write(4, "78", 2)           = 2
[pid 19960] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19960] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19960] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19960] exit_group(0)               = ?
[pid 19960] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19960, 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 19961 attached
, child_tidptr=0x555555af35d0) = 19961
[pid 19961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19961] setpgid(0, 0)               = 0
[pid 19961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19961] write(3, "1000", 4)         = 4
[pid 19961] close(3)                    = 0
[pid 19961] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19961] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19961] write(4, "78", 2)           = 2
[pid 19961] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19961] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19961] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19961] exit_group(0)               = ?
[pid 19961] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19961, 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 19962 attached
, child_tidptr=0x555555af35d0) = 19962
[pid 19962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19962] setpgid(0, 0)               = 0
[pid 19962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19962] write(3, "1000", 4)         = 4
[pid 19962] close(3)                    = 0
[pid 19962] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19962] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19962] write(4, "78", 2)           = 2
[pid 19962] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19962] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19962] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19962] exit_group(0)               = ?
[pid 19962] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19962, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19963 attached
, child_tidptr=0x555555af35d0) = 19963
[pid 19963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19963] setpgid(0, 0)               = 0
[pid 19963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19963] write(3, "1000", 4)         = 4
[pid 19963] close(3)                    = 0
[pid 19963] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19963] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19963] write(4, "78", 2)           = 2
[pid 19963] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19963] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19963] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19963] exit_group(0)               = ?
[pid 19963] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19963, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19964
./strace-static-x86_64: Process 19964 attached
[pid 19964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19964] setpgid(0, 0)               = 0
[pid 19964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19964] write(3, "1000", 4)         = 4
[pid 19964] close(3)                    = 0
[pid 19964] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19964] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19964] write(4, "78", 2)           = 2
[pid 19964] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19964] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19964] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19964] exit_group(0)               = ?
[pid 19964] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19964, 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 19965 attached
, child_tidptr=0x555555af35d0) = 19965
[pid 19965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19965] setpgid(0, 0)               = 0
[pid 19965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19965] write(3, "1000", 4)         = 4
[pid 19965] close(3)                    = 0
[pid 19965] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19965] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19965] write(4, "78", 2)           = 2
[pid 19965] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19965] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19965] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19965] exit_group(0)               = ?
[pid 19965] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19965, 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 19966 attached
, child_tidptr=0x555555af35d0) = 19966
[pid 19966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19966] setpgid(0, 0)               = 0
[pid 19966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19966] write(3, "1000", 4)         = 4
[pid 19966] close(3)                    = 0
[pid 19966] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19966] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19966] write(4, "78", 2)           = 2
[pid 19966] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19966] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19966] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19966] exit_group(0)               = ?
[pid 19966] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19966, 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=0x555555af35d0) = 19967
./strace-static-x86_64: Process 19967 attached
[pid 19967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19967] setpgid(0, 0)               = 0
[pid 19967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19967] write(3, "1000", 4)         = 4
[pid 19967] close(3)                    = 0
[pid 19967] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19967] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19967] write(4, "78", 2)           = 2
[pid 19967] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19967] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19967] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19967] exit_group(0)               = ?
[pid 19967] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19967, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19968 attached
, child_tidptr=0x555555af35d0) = 19968
[pid 19968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19968] setpgid(0, 0)               = 0
[pid 19968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19968] write(3, "1000", 4)         = 4
[pid 19968] close(3)                    = 0
[pid 19968] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19968] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19968] write(4, "78", 2)           = 2
[pid 19968] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19968] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19968] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19968] exit_group(0)               = ?
[pid 19968] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19968, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19969 attached
, child_tidptr=0x555555af35d0) = 19969
[pid 19969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19969] setpgid(0, 0)               = 0
[pid 19969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19969] write(3, "1000", 4)         = 4
[pid 19969] close(3)                    = 0
[pid 19969] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19969] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19969] write(4, "78", 2)           = 2
[pid 19969] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19969] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19969] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19969] exit_group(0)               = ?
[pid 19969] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19969, 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 19970 attached
, child_tidptr=0x555555af35d0) = 19970
[pid 19970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19970] setpgid(0, 0)               = 0
[pid 19970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19970] write(3, "1000", 4)         = 4
[pid 19970] close(3)                    = 0
[pid 19970] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19970] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19970] write(4, "78", 2)           = 2
[pid 19970] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19970] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19970] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19970] exit_group(0)               = ?
[pid 19970] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19970, 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 19971 attached
, child_tidptr=0x555555af35d0) = 19971
[pid 19971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19971] setpgid(0, 0)               = 0
[pid 19971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19971] write(3, "1000", 4)         = 4
[pid 19971] close(3)                    = 0
[pid 19971] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19971] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19971] write(4, "78", 2)           = 2
[pid 19971] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19971] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19971] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19971] exit_group(0)               = ?
[pid 19971] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19971, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19972 attached
, child_tidptr=0x555555af35d0) = 19972
[pid 19972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19972] setpgid(0, 0)               = 0
[pid 19972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19972] write(3, "1000", 4)         = 4
[pid 19972] close(3)                    = 0
[pid 19972] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19972] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19972] write(4, "78", 2)           = 2
[pid 19972] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19972] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19972] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19972] exit_group(0)               = ?
[pid 19972] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19972, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19973
./strace-static-x86_64: Process 19973 attached
[pid 19973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19973] setpgid(0, 0)               = 0
[pid 19973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19973] write(3, "1000", 4)         = 4
[pid 19973] close(3)                    = 0
[pid 19973] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19973] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19973] write(4, "78", 2)           = 2
[pid 19973] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19973] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19973] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19973] exit_group(0)               = ?
[pid 19973] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19973, 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 19974 attached
, child_tidptr=0x555555af35d0) = 19974
[pid 19974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19974] setpgid(0, 0)               = 0
[pid 19974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19974] write(3, "1000", 4)         = 4
[pid 19974] close(3)                    = 0
[pid 19974] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19974] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19974] write(4, "78", 2)           = 2
[pid 19974] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19974] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19974] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19974] exit_group(0)               = ?
[pid 19974] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19974, 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 19975 attached
, child_tidptr=0x555555af35d0) = 19975
[pid 19975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19975] setpgid(0, 0)               = 0
[pid 19975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19975] write(3, "1000", 4)         = 4
[pid 19975] close(3)                    = 0
[pid 19975] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19975] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19975] write(4, "78", 2)           = 2
[pid 19975] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19975] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19975] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19975] exit_group(0)               = ?
[pid 19975] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19975, 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 19976 attached
, child_tidptr=0x555555af35d0) = 19976
[pid 19976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19976] setpgid(0, 0)               = 0
[pid 19976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19976] write(3, "1000", 4)         = 4
[pid 19976] close(3)                    = 0
[pid 19976] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19976] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19976] write(4, "78", 2)           = 2
[pid 19976] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19976] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19976] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19976] exit_group(0)               = ?
[pid 19976] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19976, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19977 attached
, child_tidptr=0x555555af35d0) = 19977
[pid 19977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19977] setpgid(0, 0)               = 0
[pid 19977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19977] write(3, "1000", 4)         = 4
[pid 19977] close(3)                    = 0
[pid 19977] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19977] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19977] write(4, "78", 2)           = 2
[pid 19977] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19977] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19977] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19977] exit_group(0)               = ?
[pid 19977] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19977, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19978 attached
, child_tidptr=0x555555af35d0) = 19978
[pid 19978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19978] setpgid(0, 0)               = 0
[pid 19978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19978] write(3, "1000", 4)         = 4
[pid 19978] close(3)                    = 0
[pid 19978] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19978] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19978] write(4, "78", 2)           = 2
[pid 19978] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19978] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19978] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19978] exit_group(0)               = ?
[pid 19978] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19978, 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 19979 attached
, child_tidptr=0x555555af35d0) = 19979
[pid 19979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19979] setpgid(0, 0)               = 0
[pid 19979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19979] write(3, "1000", 4)         = 4
[pid 19979] close(3)                    = 0
[pid 19979] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19979] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19979] write(4, "78", 2)           = 2
[pid 19979] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19979] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19979] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19979] exit_group(0)               = ?
[pid 19979] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19979, 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 19980 attached
, child_tidptr=0x555555af35d0) = 19980
[pid 19980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19980] setpgid(0, 0)               = 0
[pid 19980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19980] write(3, "1000", 4)         = 4
[pid 19980] close(3)                    = 0
[pid 19980] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19980] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19980] write(4, "78", 2)           = 2
[pid 19980] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19980] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19980] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19980] exit_group(0)               = ?
[pid 19980] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19980, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19981 attached
, child_tidptr=0x555555af35d0) = 19981
[pid 19981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19981] setpgid(0, 0)               = 0
[pid 19981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19981] write(3, "1000", 4)         = 4
[pid 19981] close(3)                    = 0
[pid 19981] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19981] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19981] write(4, "78", 2)           = 2
[pid 19981] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19981] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19981] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19981] exit_group(0)               = ?
[pid 19981] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19981, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19982 attached
, child_tidptr=0x555555af35d0) = 19982
[pid 19982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19982] setpgid(0, 0)               = 0
[pid 19982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19982] write(3, "1000", 4)         = 4
[pid 19982] close(3)                    = 0
[pid 19982] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19982] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19982] write(4, "78", 2)           = 2
[pid 19982] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19982] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19982] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19982] exit_group(0)               = ?
[pid 19982] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19982, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 19983
./strace-static-x86_64: Process 19983 attached
[pid 19983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19983] setpgid(0, 0)               = 0
[pid 19983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19983] write(3, "1000", 4)         = 4
[pid 19983] close(3)                    = 0
[pid 19983] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19983] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19983] write(4, "78", 2)           = 2
[pid 19983] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19983] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19983] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19983] exit_group(0)               = ?
[pid 19983] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19983, 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=0x555555af35d0) = 19984
./strace-static-x86_64: Process 19984 attached
[pid 19984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19984] setpgid(0, 0)               = 0
[pid 19984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19984] write(3, "1000", 4)         = 4
[pid 19984] close(3)                    = 0
[pid 19984] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19984] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19984] write(4, "78", 2)           = 2
[pid 19984] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19984] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19984] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19984] exit_group(0)               = ?
[pid 19984] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19984, 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 19985 attached
, child_tidptr=0x555555af35d0) = 19985
[pid 19985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19985] setpgid(0, 0)               = 0
[pid 19985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19985] write(3, "1000", 4)         = 4
[pid 19985] close(3)                    = 0
[pid 19985] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19985] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19985] write(4, "78", 2)           = 2
[pid 19985] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19985] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19985] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19985] exit_group(0)               = ?
[pid 19985] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19985, 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 19986 attached
, child_tidptr=0x555555af35d0) = 19986
[pid 19986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19986] setpgid(0, 0)               = 0
[pid 19986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19986] write(3, "1000", 4)         = 4
[pid 19986] close(3)                    = 0
[pid 19986] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19986] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19986] write(4, "78", 2)           = 2
[pid 19986] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19986] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19986] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19986] exit_group(0)               = ?
[pid 19986] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19986, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19987 attached
, child_tidptr=0x555555af35d0) = 19987
[pid 19987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19987] setpgid(0, 0)               = 0
[pid 19987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19987] write(3, "1000", 4)         = 4
[pid 19987] close(3)                    = 0
[pid 19987] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19987] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19987] write(4, "78", 2)           = 2
[pid 19987] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19987] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19987] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19987] exit_group(0)               = ?
[pid 19987] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19987, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19988 attached
, child_tidptr=0x555555af35d0) = 19988
[pid 19988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19988] setpgid(0, 0)               = 0
[pid 19988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19988] write(3, "1000", 4)         = 4
[pid 19988] close(3)                    = 0
[pid 19988] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19988] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19988] write(4, "78", 2)           = 2
[pid 19988] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19988] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19988] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19988] exit_group(0)               = ?
[pid 19988] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19988, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19989 attached
, child_tidptr=0x555555af35d0) = 19989
[pid 19989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19989] setpgid(0, 0)               = 0
[pid 19989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19989] write(3, "1000", 4)         = 4
[pid 19989] close(3)                    = 0
[pid 19989] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19989] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19989] write(4, "78", 2)           = 2
[pid 19989] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19989] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19989] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19989] exit_group(0)               = ?
[pid 19989] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19989, 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 19990 attached
, child_tidptr=0x555555af35d0) = 19990
[pid 19990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19990] setpgid(0, 0)               = 0
[pid 19990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19990] write(3, "1000", 4)         = 4
[pid 19990] close(3)                    = 0
[pid 19990] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19990] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19990] write(4, "78", 2)           = 2
[pid 19990] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19990] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19990] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19990] exit_group(0)               = ?
[pid 19990] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19990, 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 19991 attached
, child_tidptr=0x555555af35d0) = 19991
[pid 19991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19991] setpgid(0, 0)               = 0
[pid 19991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19991] write(3, "1000", 4)         = 4
[pid 19991] close(3)                    = 0
[pid 19991] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19991] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19991] write(4, "78", 2)           = 2
[pid 19991] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19991] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19991] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19991] exit_group(0)               = ?
[pid 19991] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19991, 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 19992 attached
, child_tidptr=0x555555af35d0) = 19992
[pid 19992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19992] setpgid(0, 0)               = 0
[pid 19992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19992] write(3, "1000", 4)         = 4
[pid 19992] close(3)                    = 0
[pid 19992] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19992] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19992] write(4, "78", 2)           = 2
[pid 19992] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19992] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19992] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19992] exit_group(0)               = ?
[pid 19992] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19992, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19993 attached
, child_tidptr=0x555555af35d0) = 19993
[pid 19993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19993] setpgid(0, 0)               = 0
[pid 19993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19993] write(3, "1000", 4)         = 4
[pid 19993] close(3)                    = 0
[pid 19993] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19993] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19993] write(4, "78", 2)           = 2
[pid 19993] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19993] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19993] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19993] exit_group(0)               = ?
[pid 19993] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19993, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19994 attached
, child_tidptr=0x555555af35d0) = 19994
[pid 19994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19994] setpgid(0, 0)               = 0
[pid 19994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19994] write(3, "1000", 4)         = 4
[pid 19994] close(3)                    = 0
[pid 19994] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19994] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19994] write(4, "78", 2)           = 2
[pid 19994] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19994] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19994] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19994] exit_group(0)               = ?
[pid 19994] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19994, 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 19995 attached
, child_tidptr=0x555555af35d0) = 19995
[pid 19995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19995] setpgid(0, 0)               = 0
[pid 19995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19995] write(3, "1000", 4)         = 4
[pid 19995] close(3)                    = 0
[pid 19995] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19995] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19995] write(4, "78", 2)           = 2
[pid 19995] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19995] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19995] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19995] exit_group(0)               = ?
[pid 19995] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19995, 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=0x555555af35d0) = 19996
./strace-static-x86_64: Process 19996 attached
[pid 19996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19996] setpgid(0, 0)               = 0
[pid 19996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19996] write(3, "1000", 4)         = 4
[pid 19996] close(3)                    = 0
[pid 19996] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19996] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19996] write(4, "78", 2)           = 2
[pid 19996] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19996] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19996] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19996] exit_group(0)               = ?
[pid 19996] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19996, 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 19997 attached
, child_tidptr=0x555555af35d0) = 19997
[pid 19997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19997] setpgid(0, 0)               = 0
[pid 19997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19997] write(3, "1000", 4)         = 4
[pid 19997] close(3)                    = 0
[pid 19997] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19997] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19997] write(4, "78", 2)           = 2
[pid 19997] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19997] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19997] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19997] exit_group(0)               = ?
[pid 19997] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19997, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19998 attached
, child_tidptr=0x555555af35d0) = 19998
[pid 19998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19998] setpgid(0, 0)               = 0
[pid 19998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19998] write(3, "1000", 4)         = 4
[pid 19998] close(3)                    = 0
[pid 19998] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19998] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19998] write(4, "78", 2)           = 2
[pid 19998] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19998] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19998] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19998] exit_group(0)               = ?
[pid 19998] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19998, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 19999 attached
, child_tidptr=0x555555af35d0) = 19999
[pid 19999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 19999] setpgid(0, 0)               = 0
[pid 19999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 19999] write(3, "1000", 4)         = 4
[pid 19999] close(3)                    = 0
[pid 19999] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 19999] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 19999] write(4, "78", 2)           = 2
[pid 19999] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 19999] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 19999] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 19999] exit_group(0)               = ?
[pid 19999] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=19999, 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 20000 attached
, child_tidptr=0x555555af35d0) = 20000
[pid 20000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20000] setpgid(0, 0)               = 0
[pid 20000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20000] write(3, "1000", 4)         = 4
[pid 20000] close(3)                    = 0
[pid 20000] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20000] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20000] write(4, "78", 2)           = 2
[pid 20000] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20000] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20000] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20000] exit_group(0)               = ?
[pid 20000] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20000, 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 20001 attached
, child_tidptr=0x555555af35d0) = 20001
[pid 20001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20001] setpgid(0, 0)               = 0
[pid 20001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20001] write(3, "1000", 4)         = 4
[pid 20001] close(3)                    = 0
[pid 20001] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20001] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20001] write(4, "78", 2)           = 2
[pid 20001] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20001] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20001] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20001] exit_group(0)               = ?
[pid 20001] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20001, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20002 attached
, child_tidptr=0x555555af35d0) = 20002
[pid 20002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20002] setpgid(0, 0)               = 0
[pid 20002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20002] write(3, "1000", 4)         = 4
[pid 20002] close(3)                    = 0
[pid 20002] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20002] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20002] write(4, "78", 2)           = 2
[pid 20002] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20002] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20002] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20002] exit_group(0)               = ?
[pid 20002] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20002, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20003 attached
, child_tidptr=0x555555af35d0) = 20003
[pid 20003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20003] setpgid(0, 0)               = 0
[pid 20003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20003] write(3, "1000", 4)         = 4
[pid 20003] close(3)                    = 0
[pid 20003] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20003] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20003] write(4, "78", 2)           = 2
[pid 20003] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20003] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20003] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20003] exit_group(0)               = ?
[pid 20003] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20003, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20004 attached
, child_tidptr=0x555555af35d0) = 20004
[pid 20004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20004] setpgid(0, 0)               = 0
[pid 20004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20004] write(3, "1000", 4)         = 4
[pid 20004] close(3)                    = 0
[pid 20004] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20004] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20004] write(4, "78", 2)           = 2
[pid 20004] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20004] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20004] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20004] exit_group(0)               = ?
[pid 20004] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20004, 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 20005 attached
, child_tidptr=0x555555af35d0) = 20005
[pid 20005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20005] setpgid(0, 0)               = 0
[pid 20005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20005] write(3, "1000", 4)         = 4
[pid 20005] close(3)                    = 0
[pid 20005] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20005] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20005] write(4, "78", 2)           = 2
[pid 20005] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20005] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20005] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20005] exit_group(0)               = ?
[pid 20005] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20005, 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=0x555555af35d0) = 20006
./strace-static-x86_64: Process 20006 attached
[pid 20006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20006] setpgid(0, 0)               = 0
[pid 20006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20006] write(3, "1000", 4)         = 4
[pid 20006] close(3)                    = 0
[pid 20006] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20006] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20006] write(4, "78", 2)           = 2
[pid 20006] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20006] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20006] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20006] exit_group(0)               = ?
[pid 20006] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20006, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20007 attached
, child_tidptr=0x555555af35d0) = 20007
[pid 20007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20007] setpgid(0, 0)               = 0
[pid 20007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20007] write(3, "1000", 4)         = 4
[pid 20007] close(3)                    = 0
[pid 20007] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20007] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20007] write(4, "78", 2)           = 2
[pid 20007] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20007] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20007] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20007] exit_group(0)               = ?
[pid 20007] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20007, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20008 attached
, child_tidptr=0x555555af35d0) = 20008
[pid 20008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20008] setpgid(0, 0)               = 0
[pid 20008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20008] write(3, "1000", 4)         = 4
[pid 20008] close(3)                    = 0
[pid 20008] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20008] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20008] write(4, "78", 2)           = 2
[pid 20008] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20008] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20008] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20008] exit_group(0)               = ?
[pid 20008] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20008, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20009
./strace-static-x86_64: Process 20009 attached
[pid 20009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20009] setpgid(0, 0)               = 0
[pid 20009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20009] write(3, "1000", 4)         = 4
[pid 20009] close(3)                    = 0
[pid 20009] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20009] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20009] write(4, "78", 2)           = 2
[pid 20009] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20009] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20009] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20009] exit_group(0)               = ?
[pid 20009] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20009, si_uid=0, si_status=0, si_utime=1, 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 20010 attached
, child_tidptr=0x555555af35d0) = 20010
[pid 20010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20010] setpgid(0, 0)               = 0
[pid 20010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20010] write(3, "1000", 4)         = 4
[pid 20010] close(3)                    = 0
[pid 20010] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20010] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20010] write(4, "78", 2)           = 2
[pid 20010] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20010] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20010] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20010] exit_group(0)               = ?
[pid 20010] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20010, 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 20011 attached
, child_tidptr=0x555555af35d0) = 20011
[pid 20011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20011] setpgid(0, 0)               = 0
[pid 20011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20011] write(3, "1000", 4)         = 4
[pid 20011] close(3)                    = 0
[pid 20011] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20011] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20011] write(4, "78", 2)           = 2
[pid 20011] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20011] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20011] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20011] exit_group(0)               = ?
[pid 20011] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20011, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20012 attached
, child_tidptr=0x555555af35d0) = 20012
[pid 20012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20012] setpgid(0, 0)               = 0
[pid 20012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20012] write(3, "1000", 4)         = 4
[pid 20012] close(3)                    = 0
[pid 20012] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20012] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20012] write(4, "78", 2)           = 2
[pid 20012] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20012] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20012] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20012] exit_group(0)               = ?
[pid 20012] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20012, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20013 attached
, child_tidptr=0x555555af35d0) = 20013
[pid 20013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20013] setpgid(0, 0)               = 0
[pid 20013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20013] write(3, "1000", 4)         = 4
[pid 20013] close(3)                    = 0
[pid 20013] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20013] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20013] write(4, "78", 2)           = 2
[pid 20013] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20013] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20013] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20013] exit_group(0)               = ?
[pid 20013] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20013, 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 20014 attached
, child_tidptr=0x555555af35d0) = 20014
[pid 20014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20014] setpgid(0, 0)               = 0
[pid 20014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20014] write(3, "1000", 4)         = 4
[pid 20014] close(3)                    = 0
[pid 20014] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20014] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20014] write(4, "78", 2)           = 2
[pid 20014] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20014] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20014] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20014] exit_group(0)               = ?
[pid 20014] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20014, 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 20015 attached
, child_tidptr=0x555555af35d0) = 20015
[pid 20015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20015] setpgid(0, 0)               = 0
[pid 20015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20015] write(3, "1000", 4)         = 4
[pid 20015] close(3)                    = 0
[pid 20015] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20015] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20015] write(4, "78", 2)           = 2
[pid 20015] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20015] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20015] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20015] exit_group(0)               = ?
[pid 20015] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20015, 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 20016 attached
, child_tidptr=0x555555af35d0) = 20016
[pid 20016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20016] setpgid(0, 0)               = 0
[pid 20016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20016] write(3, "1000", 4)         = 4
[pid 20016] close(3)                    = 0
[pid 20016] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20016] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20016] write(4, "78", 2)           = 2
[pid 20016] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20016] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20016] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20016] exit_group(0)               = ?
[pid 20016] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20016, 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 20017 attached
, child_tidptr=0x555555af35d0) = 20017
[pid 20017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20017] setpgid(0, 0)               = 0
[pid 20017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20017] write(3, "1000", 4)         = 4
[pid 20017] close(3)                    = 0
[pid 20017] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20017] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20017] write(4, "78", 2)           = 2
[pid 20017] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20017] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20017] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20017] exit_group(0)               = ?
[pid 20017] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20017, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20018
./strace-static-x86_64: Process 20018 attached
[pid 20018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20018] setpgid(0, 0)               = 0
[pid 20018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20018] write(3, "1000", 4)         = 4
[pid 20018] close(3)                    = 0
[pid 20018] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20018] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20018] write(4, "78", 2)           = 2
[pid 20018] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20018] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20018] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20018] exit_group(0)               = ?
[pid 20018] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20018, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20019 attached
, child_tidptr=0x555555af35d0) = 20019
[pid 20019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20019] setpgid(0, 0)               = 0
[pid 20019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20019] write(3, "1000", 4)         = 4
[pid 20019] close(3)                    = 0
[pid 20019] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20019] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20019] write(4, "78", 2)           = 2
[pid 20019] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20019] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20019] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20019] exit_group(0)               = ?
[pid 20019] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20019, 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=0x555555af35d0) = 20020
./strace-static-x86_64: Process 20020 attached
[pid 20020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20020] setpgid(0, 0)               = 0
[pid 20020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20020] write(3, "1000", 4)         = 4
[pid 20020] close(3)                    = 0
[pid 20020] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20020] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20020] write(4, "78", 2)           = 2
[pid 20020] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20020] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20020] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20020] exit_group(0)               = ?
[pid 20020] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20020, 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=0x555555af35d0) = 20021
./strace-static-x86_64: Process 20021 attached
[pid 20021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20021] setpgid(0, 0)               = 0
[pid 20021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20021] write(3, "1000", 4)         = 4
[pid 20021] close(3)                    = 0
[pid 20021] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20021] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20021] write(4, "78", 2)           = 2
[pid 20021] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20021] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20021] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20021] exit_group(0)               = ?
[pid 20021] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20021, 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 20022 attached
, child_tidptr=0x555555af35d0) = 20022
[pid 20022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20022] setpgid(0, 0)               = 0
[pid 20022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20022] write(3, "1000", 4)         = 4
[pid 20022] close(3)                    = 0
[pid 20022] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20022] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20022] write(4, "78", 2)           = 2
[pid 20022] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20022] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20022] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20022] exit_group(0)               = ?
[pid 20022] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20022, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20023 attached
, child_tidptr=0x555555af35d0) = 20023
[pid 20023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20023] setpgid(0, 0)               = 0
[pid 20023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20023] write(3, "1000", 4)         = 4
[pid 20023] close(3)                    = 0
[pid 20023] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20023] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20023] write(4, "78", 2)           = 2
[pid 20023] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20023] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20023] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20023] exit_group(0)               = ?
[pid 20023] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20023, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20024
./strace-static-x86_64: Process 20024 attached
[pid 20024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20024] setpgid(0, 0)               = 0
[pid 20024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20024] write(3, "1000", 4)         = 4
[pid 20024] close(3)                    = 0
[pid 20024] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20024] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20024] write(4, "78", 2)           = 2
[pid 20024] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20024] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20024] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20024] exit_group(0)               = ?
[pid 20024] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20024, 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=0x555555af35d0) = 20025
./strace-static-x86_64: Process 20025 attached
[pid 20025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20025] setpgid(0, 0)               = 0
[pid 20025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20025] write(3, "1000", 4)         = 4
[pid 20025] close(3)                    = 0
[pid 20025] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20025] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20025] write(4, "78", 2)           = 2
[pid 20025] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20025] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20025] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20025] exit_group(0)               = ?
[pid 20025] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20025, 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=0x555555af35d0) = 20026
./strace-static-x86_64: Process 20026 attached
[pid 20026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20026] setpgid(0, 0)               = 0
[pid 20026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20026] write(3, "1000", 4)         = 4
[pid 20026] close(3)                    = 0
[pid 20026] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20026] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20026] write(4, "78", 2)           = 2
[pid 20026] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20026] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20026] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20026] exit_group(0)               = ?
[pid 20026] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20026, 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 20027 attached
, child_tidptr=0x555555af35d0) = 20027
[pid 20027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20027] setpgid(0, 0)               = 0
[pid 20027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20027] write(3, "1000", 4)         = 4
[pid 20027] close(3)                    = 0
[pid 20027] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20027] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20027] write(4, "78", 2)           = 2
[pid 20027] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20027] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20027] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20027] exit_group(0)               = ?
[pid 20027] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20027, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20028 attached
, child_tidptr=0x555555af35d0) = 20028
[pid 20028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20028] setpgid(0, 0)               = 0
[pid 20028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20028] write(3, "1000", 4)         = 4
[pid 20028] close(3)                    = 0
[pid 20028] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20028] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20028] write(4, "78", 2)           = 2
[pid 20028] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20028] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20028] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20028] exit_group(0)               = ?
[pid 20028] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20028, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20029
./strace-static-x86_64: Process 20029 attached
[pid 20029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20029] setpgid(0, 0)               = 0
[pid 20029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20029] write(3, "1000", 4)         = 4
[pid 20029] close(3)                    = 0
[pid 20029] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20029] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20029] write(4, "78", 2)           = 2
[pid 20029] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20029] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20029] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20029] exit_group(0)               = ?
[pid 20029] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20029, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20030
./strace-static-x86_64: Process 20030 attached
[pid 20030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20030] setpgid(0, 0)               = 0
[pid 20030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20030] write(3, "1000", 4)         = 4
[pid 20030] close(3)                    = 0
[pid 20030] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20030] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20030] write(4, "78", 2)           = 2
[pid 20030] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20030] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20030] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20030] exit_group(0)               = ?
[pid 20030] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20030, 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 20031 attached
, child_tidptr=0x555555af35d0) = 20031
[pid 20031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20031] setpgid(0, 0)               = 0
[pid 20031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20031] write(3, "1000", 4)         = 4
[pid 20031] close(3)                    = 0
[pid 20031] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20031] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20031] write(4, "78", 2)           = 2
[pid 20031] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20031] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20031] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20031] exit_group(0)               = ?
[pid 20031] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20031, 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=0x555555af35d0) = 20032
./strace-static-x86_64: Process 20032 attached
[pid 20032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20032] setpgid(0, 0)               = 0
[pid 20032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20032] write(3, "1000", 4)         = 4
[pid 20032] close(3)                    = 0
[pid 20032] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20032] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20032] write(4, "78", 2)           = 2
[pid 20032] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20032] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20032] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20032] exit_group(0)               = ?
[pid 20032] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20032, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20033 attached
, child_tidptr=0x555555af35d0) = 20033
[pid 20033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20033] setpgid(0, 0)               = 0
[pid 20033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20033] write(3, "1000", 4)         = 4
[pid 20033] close(3)                    = 0
[pid 20033] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20033] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20033] write(4, "78", 2)           = 2
[pid 20033] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20033] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20033] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20033] exit_group(0)               = ?
[pid 20033] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20033, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20034 attached
, child_tidptr=0x555555af35d0) = 20034
[pid 20034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20034] setpgid(0, 0)               = 0
[pid 20034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20034] write(3, "1000", 4)         = 4
[pid 20034] close(3)                    = 0
[pid 20034] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20034] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20034] write(4, "78", 2)           = 2
[pid 20034] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20034] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20034] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20034] exit_group(0)               = ?
[pid 20034] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20034, 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 20035 attached
, child_tidptr=0x555555af35d0) = 20035
[pid 20035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20035] setpgid(0, 0)               = 0
[pid 20035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20035] write(3, "1000", 4)         = 4
[pid 20035] close(3)                    = 0
[pid 20035] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20035] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20035] write(4, "78", 2)           = 2
[pid 20035] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20035] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20035] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20035] exit_group(0)               = ?
[pid 20035] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20035, 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=0x555555af35d0) = 20036
./strace-static-x86_64: Process 20036 attached
[pid 20036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20036] setpgid(0, 0)               = 0
[pid 20036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20036] write(3, "1000", 4)         = 4
[pid 20036] close(3)                    = 0
[pid 20036] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20036] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20036] write(4, "78", 2)           = 2
[pid 20036] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20036] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20036] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20036] exit_group(0)               = ?
[pid 20036] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20036, 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=0x555555af35d0) = 20037
./strace-static-x86_64: Process 20037 attached
[pid 20037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20037] setpgid(0, 0)               = 0
[pid 20037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20037] write(3, "1000", 4)         = 4
[pid 20037] close(3)                    = 0
[pid 20037] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20037] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20037] write(4, "78", 2)           = 2
[pid 20037] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20037] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20037] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20037] exit_group(0)               = ?
[pid 20037] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20037, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20038
./strace-static-x86_64: Process 20038 attached
[pid 20038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20038] setpgid(0, 0)               = 0
[pid 20038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20038] write(3, "1000", 4)         = 4
[pid 20038] close(3)                    = 0
[pid 20038] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20038] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20038] write(4, "78", 2)           = 2
[pid 20038] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20038] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20038] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20038] exit_group(0)               = ?
[pid 20038] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20038, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20039 attached
, child_tidptr=0x555555af35d0) = 20039
[pid 20039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20039] setpgid(0, 0)               = 0
[pid 20039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20039] write(3, "1000", 4)         = 4
[pid 20039] close(3)                    = 0
[pid 20039] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20039] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20039] write(4, "78", 2)           = 2
[pid 20039] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20039] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20039] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20039] exit_group(0)               = ?
[pid 20039] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20039, 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 20040 attached
, child_tidptr=0x555555af35d0) = 20040
[pid 20040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20040] setpgid(0, 0)               = 0
[pid 20040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20040] write(3, "1000", 4)         = 4
[pid 20040] close(3)                    = 0
[pid 20040] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20040] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20040] write(4, "78", 2)           = 2
[pid 20040] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20040] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20040] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20040] exit_group(0)               = ?
[pid 20040] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20040, 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=0x555555af35d0) = 20041
./strace-static-x86_64: Process 20041 attached
[pid 20041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20041] setpgid(0, 0)               = 0
[pid 20041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20041] write(3, "1000", 4)         = 4
[pid 20041] close(3)                    = 0
[pid 20041] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20041] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20041] write(4, "78", 2)           = 2
[pid 20041] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20041] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20041] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20041] exit_group(0)               = ?
[pid 20041] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20041, 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=0x555555af35d0) = 20042
./strace-static-x86_64: Process 20042 attached
[pid 20042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20042] setpgid(0, 0)               = 0
[pid 20042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20042] write(3, "1000", 4)         = 4
[pid 20042] close(3)                    = 0
[pid 20042] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20042] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20042] write(4, "78", 2)           = 2
[pid 20042] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20042] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20042] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20042] exit_group(0)               = ?
[pid 20042] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20042, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20043 attached
, child_tidptr=0x555555af35d0) = 20043
[pid 20043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20043] setpgid(0, 0)               = 0
[pid 20043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20043] write(3, "1000", 4)         = 4
[pid 20043] close(3)                    = 0
[pid 20043] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20043] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20043] write(4, "78", 2)           = 2
[pid 20043] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20043] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20043] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20043] exit_group(0)               = ?
[pid 20043] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20043, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20044
./strace-static-x86_64: Process 20044 attached
[pid 20044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20044] setpgid(0, 0)               = 0
[pid 20044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20044] write(3, "1000", 4)         = 4
[pid 20044] close(3)                    = 0
[pid 20044] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20044] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20044] write(4, "78", 2)           = 2
[pid 20044] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20044] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20044] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20044] exit_group(0)               = ?
[pid 20044] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20044, 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 20045 attached
, child_tidptr=0x555555af35d0) = 20045
[pid 20045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20045] setpgid(0, 0)               = 0
[pid 20045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20045] write(3, "1000", 4)         = 4
[pid 20045] close(3)                    = 0
[pid 20045] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20045] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20045] write(4, "78", 2)           = 2
[pid 20045] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20045] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20045] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20045] exit_group(0)               = ?
[pid 20045] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20045, 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 20046 attached
, child_tidptr=0x555555af35d0) = 20046
[pid 20046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20046] setpgid(0, 0)               = 0
[pid 20046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20046] write(3, "1000", 4)         = 4
[pid 20046] close(3)                    = 0
[pid 20046] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20046] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20046] write(4, "78", 2)           = 2
[pid 20046] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20046] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20046] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20046] exit_group(0)               = ?
[pid 20046] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20046, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20047 attached
, child_tidptr=0x555555af35d0) = 20047
[pid 20047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20047] setpgid(0, 0)               = 0
[pid 20047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20047] write(3, "1000", 4)         = 4
[pid 20047] close(3)                    = 0
[pid 20047] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20047] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20047] write(4, "78", 2)           = 2
[pid 20047] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20047] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20047] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20047] exit_group(0)               = ?
[pid 20047] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20047, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20048
./strace-static-x86_64: Process 20048 attached
[pid 20048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20048] setpgid(0, 0)               = 0
[pid 20048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20048] write(3, "1000", 4)         = 4
[pid 20048] close(3)                    = 0
[pid 20048] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20048] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20048] write(4, "78", 2)           = 2
[pid 20048] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20048] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20048] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20048] exit_group(0)               = ?
[pid 20048] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20048, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20049
./strace-static-x86_64: Process 20049 attached
[pid 20049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20049] setpgid(0, 0)               = 0
[pid 20049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20049] write(3, "1000", 4)         = 4
[pid 20049] close(3)                    = 0
[pid 20049] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20049] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20049] write(4, "78", 2)           = 2
[pid 20049] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20049] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20049] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20049] exit_group(0)               = ?
[pid 20049] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20049, 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=0x555555af35d0) = 20050
./strace-static-x86_64: Process 20050 attached
[pid 20050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20050] setpgid(0, 0)               = 0
[pid 20050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20050] write(3, "1000", 4)         = 4
[pid 20050] close(3)                    = 0
[pid 20050] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20050] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20050] write(4, "78", 2)           = 2
[pid 20050] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20050] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20050] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20050] exit_group(0)               = ?
[pid 20050] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20050, 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=0x555555af35d0) = 20051
./strace-static-x86_64: Process 20051 attached
[pid 20051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20051] setpgid(0, 0)               = 0
[pid 20051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20051] write(3, "1000", 4)         = 4
[pid 20051] close(3)                    = 0
[pid 20051] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20051] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20051] write(4, "78", 2)           = 2
[pid 20051] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20051] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20051] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20051] exit_group(0)               = ?
[pid 20051] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20051, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20052
./strace-static-x86_64: Process 20052 attached
[pid 20052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20052] setpgid(0, 0)               = 0
[pid 20052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20052] write(3, "1000", 4)         = 4
[pid 20052] close(3)                    = 0
[pid 20052] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20052] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20052] write(4, "78", 2)           = 2
[pid 20052] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20052] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20052] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20052] exit_group(0)               = ?
[pid 20052] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20052, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20053 attached
, child_tidptr=0x555555af35d0) = 20053
[pid 20053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20053] setpgid(0, 0)               = 0
[pid 20053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20053] write(3, "1000", 4)         = 4
[pid 20053] close(3)                    = 0
[pid 20053] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20053] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20053] write(4, "78", 2)           = 2
[pid 20053] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20053] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20053] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20053] exit_group(0)               = ?
[pid 20053] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20053, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20054
./strace-static-x86_64: Process 20054 attached
[pid 20054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20054] setpgid(0, 0)               = 0
[pid 20054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20054] write(3, "1000", 4)         = 4
[pid 20054] close(3)                    = 0
[pid 20054] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20054] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20054] write(4, "78", 2)           = 2
[pid 20054] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20054] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20054] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20054] exit_group(0)               = ?
[pid 20054] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20054, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20055
./strace-static-x86_64: Process 20055 attached
[pid 20055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20055] setpgid(0, 0)               = 0
[pid 20055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20055] write(3, "1000", 4)         = 4
[pid 20055] close(3)                    = 0
[pid 20055] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20055] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20055] write(4, "78", 2)           = 2
[pid 20055] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20055] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20055] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20055] exit_group(0)               = ?
[pid 20055] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20055, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20056 attached
, child_tidptr=0x555555af35d0) = 20056
[pid 20056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20056] setpgid(0, 0)               = 0
[pid 20056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20056] write(3, "1000", 4)         = 4
[pid 20056] close(3)                    = 0
[pid 20056] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20056] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20056] write(4, "78", 2)           = 2
[pid 20056] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20056] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20056] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20056] exit_group(0)               = ?
[pid 20056] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20056, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20057 attached
, child_tidptr=0x555555af35d0) = 20057
[pid 20057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20057] setpgid(0, 0)               = 0
[pid 20057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20057] write(3, "1000", 4)         = 4
[pid 20057] close(3)                    = 0
[pid 20057] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20057] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20057] write(4, "78", 2)           = 2
[pid 20057] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20057] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20057] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20057] exit_group(0)               = ?
[pid 20057] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20057, 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=0x555555af35d0) = 20058
./strace-static-x86_64: Process 20058 attached
[pid 20058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20058] setpgid(0, 0)               = 0
[pid 20058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20058] write(3, "1000", 4)         = 4
[pid 20058] close(3)                    = 0
[pid 20058] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20058] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20058] write(4, "78", 2)           = 2
[pid 20058] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20058] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20058] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20058] exit_group(0)               = ?
[pid 20058] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20058, 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=0x555555af35d0) = 20059
./strace-static-x86_64: Process 20059 attached
[pid 20059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20059] setpgid(0, 0)               = 0
[pid 20059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20059] write(3, "1000", 4)         = 4
[pid 20059] close(3)                    = 0
[pid 20059] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20059] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20059] write(4, "78", 2)           = 2
[pid 20059] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20059] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20059] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20059] exit_group(0)               = ?
[pid 20059] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20059, 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 20060 attached
, child_tidptr=0x555555af35d0) = 20060
[pid 20060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20060] setpgid(0, 0)               = 0
[pid 20060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20060] write(3, "1000", 4)         = 4
[pid 20060] close(3)                    = 0
[pid 20060] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20060] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20060] write(4, "78", 2)           = 2
[pid 20060] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20060] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20060] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20060] exit_group(0)               = ?
[pid 20060] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20060, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20061
./strace-static-x86_64: Process 20061 attached
[pid 20061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20061] setpgid(0, 0)               = 0
[pid 20061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20061] write(3, "1000", 4)         = 4
[pid 20061] close(3)                    = 0
[pid 20061] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20061] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20061] write(4, "78", 2)           = 2
[pid 20061] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20061] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20061] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20061] exit_group(0)               = ?
[pid 20061] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20061, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20062
./strace-static-x86_64: Process 20062 attached
[pid 20062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20062] setpgid(0, 0)               = 0
[pid 20062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20062] write(3, "1000", 4)         = 4
[pid 20062] close(3)                    = 0
[pid 20062] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20062] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20062] write(4, "78", 2)           = 2
[pid 20062] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20062] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20062] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20062] exit_group(0)               = ?
[pid 20062] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20062, 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=0x555555af35d0) = 20063
./strace-static-x86_64: Process 20063 attached
[pid 20063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20063] setpgid(0, 0)               = 0
[pid 20063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20063] write(3, "1000", 4)         = 4
[pid 20063] close(3)                    = 0
[pid 20063] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20063] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20063] write(4, "78", 2)           = 2
[pid 20063] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20063] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20063] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20063] exit_group(0)               = ?
[pid 20063] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20063, 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 20064 attached
, child_tidptr=0x555555af35d0) = 20064
[pid 20064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20064] setpgid(0, 0)               = 0
[pid 20064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20064] write(3, "1000", 4)         = 4
[pid 20064] close(3)                    = 0
[pid 20064] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20064] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20064] write(4, "78", 2)           = 2
[pid 20064] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20064] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20064] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20064] exit_group(0)               = ?
[pid 20064] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20064, 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 20065 attached
, child_tidptr=0x555555af35d0) = 20065
[pid 20065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20065] setpgid(0, 0)               = 0
[pid 20065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20065] write(3, "1000", 4)         = 4
[pid 20065] close(3)                    = 0
[pid 20065] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20065] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20065] write(4, "78", 2)           = 2
[pid 20065] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20065] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20065] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20065] exit_group(0)               = ?
[pid 20065] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20065, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20066 attached
, child_tidptr=0x555555af35d0) = 20066
[pid 20066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20066] setpgid(0, 0)               = 0
[pid 20066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20066] write(3, "1000", 4)         = 4
[pid 20066] close(3)                    = 0
[pid 20066] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20066] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20066] write(4, "78", 2)           = 2
[pid 20066] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20066] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20066] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20066] exit_group(0)               = ?
[pid 20066] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20066, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20067 attached
, child_tidptr=0x555555af35d0) = 20067
[pid 20067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20067] setpgid(0, 0)               = 0
[pid 20067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20067] write(3, "1000", 4)         = 4
[pid 20067] close(3)                    = 0
[pid 20067] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20067] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20067] write(4, "78", 2)           = 2
[pid 20067] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20067] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20067] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20067] exit_group(0)               = ?
[pid 20067] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20067, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20068 attached
, child_tidptr=0x555555af35d0) = 20068
[pid 20068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20068] setpgid(0, 0)               = 0
[pid 20068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20068] write(3, "1000", 4)         = 4
[pid 20068] close(3)                    = 0
[pid 20068] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20068] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20068] write(4, "78", 2)           = 2
[pid 20068] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20068] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20068] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20068] exit_group(0)               = ?
[pid 20068] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20068, 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 20069 attached
, child_tidptr=0x555555af35d0) = 20069
[pid 20069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20069] setpgid(0, 0)               = 0
[pid 20069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20069] write(3, "1000", 4)         = 4
[pid 20069] close(3)                    = 0
[pid 20069] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20069] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20069] write(4, "78", 2)           = 2
[pid 20069] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20069] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20069] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20069] exit_group(0)               = ?
[pid 20069] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20069, 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 20070 attached
, child_tidptr=0x555555af35d0) = 20070
[pid 20070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20070] setpgid(0, 0)               = 0
[pid 20070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20070] write(3, "1000", 4)         = 4
[pid 20070] close(3)                    = 0
[pid 20070] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20070] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20070] write(4, "78", 2)           = 2
[pid 20070] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20070] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20070] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20070] exit_group(0)               = ?
[pid 20070] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20070, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20071 attached
, child_tidptr=0x555555af35d0) = 20071
[pid 20071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20071] setpgid(0, 0)               = 0
[pid 20071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20071] write(3, "1000", 4)         = 4
[pid 20071] close(3)                    = 0
[pid 20071] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20071] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20071] write(4, "78", 2)           = 2
[pid 20071] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20071] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20071] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20071] exit_group(0)               = ?
[pid 20071] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20071, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20072
./strace-static-x86_64: Process 20072 attached
[pid 20072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20072] setpgid(0, 0)               = 0
[pid 20072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20072] write(3, "1000", 4)         = 4
[pid 20072] close(3)                    = 0
[pid 20072] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20072] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20072] write(4, "78", 2)           = 2
[pid 20072] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20072] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20072] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20072] exit_group(0)               = ?
[pid 20072] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20072, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20073
./strace-static-x86_64: Process 20073 attached
[pid 20073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20073] setpgid(0, 0)               = 0
[pid 20073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20073] write(3, "1000", 4)         = 4
[pid 20073] close(3)                    = 0
[pid 20073] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20073] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20073] write(4, "78", 2)           = 2
[pid 20073] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20073] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20073] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20073] exit_group(0)               = ?
[pid 20073] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20073, 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=0x555555af35d0) = 20074
./strace-static-x86_64: Process 20074 attached
[pid 20074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20074] setpgid(0, 0)               = 0
[pid 20074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20074] write(3, "1000", 4)         = 4
[pid 20074] close(3)                    = 0
[pid 20074] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20074] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20074] write(4, "78", 2)           = 2
[pid 20074] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20074] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20074] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20074] exit_group(0)               = ?
[pid 20074] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20074, 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 20075 attached
 <unfinished ...>
[pid 20075] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  3600] <... clone resumed>, child_tidptr=0x555555af35d0) = 20075
[pid 20075] <... prctl resumed>)        = 0
[pid 20075] setpgid(0, 0)               = 0
[pid 20075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20075] write(3, "1000", 4)         = 4
[pid 20075] close(3)                    = 0
[pid 20075] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20075] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20075] write(4, "78", 2)           = 2
[pid 20075] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20075] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20075] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20075] exit_group(0)               = ?
[pid 20075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20075, 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 20076 attached
, child_tidptr=0x555555af35d0) = 20076
[pid 20076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20076] setpgid(0, 0)               = 0
[pid 20076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20076] write(3, "1000", 4)         = 4
[pid 20076] close(3)                    = 0
[pid 20076] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20076] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20076] write(4, "78", 2)           = 2
[pid 20076] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20076] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20076] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20076] exit_group(0)               = ?
[pid 20076] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20076, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20077 attached
, child_tidptr=0x555555af35d0) = 20077
[pid 20077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20077] setpgid(0, 0)               = 0
[pid 20077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20077] write(3, "1000", 4)         = 4
[pid 20077] close(3)                    = 0
[pid 20077] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20077] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20077] write(4, "78", 2)           = 2
[pid 20077] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20077] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20077] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20077] exit_group(0)               = ?
[pid 20077] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20077, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20078
./strace-static-x86_64: Process 20078 attached
[pid 20078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20078] setpgid(0, 0)               = 0
[pid 20078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20078] write(3, "1000", 4)         = 4
[pid 20078] close(3)                    = 0
[pid 20078] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20078] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20078] write(4, "78", 2)           = 2
[pid 20078] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20078] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20078] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20078] exit_group(0)               = ?
[pid 20078] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20078, 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=0x555555af35d0) = 20079
./strace-static-x86_64: Process 20079 attached
[pid 20079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20079] setpgid(0, 0)               = 0
[pid 20079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20079] write(3, "1000", 4)         = 4
[pid 20079] close(3)                    = 0
[pid 20079] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20079] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20079] write(4, "78", 2)           = 2
[pid 20079] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20079] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20079] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20079] exit_group(0)               = ?
[pid 20079] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20079, 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 20080 attached
, child_tidptr=0x555555af35d0) = 20080
[pid 20080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20080] setpgid(0, 0)               = 0
[pid 20080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20080] write(3, "1000", 4)         = 4
[pid 20080] close(3)                    = 0
[pid 20080] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20080] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20080] write(4, "78", 2)           = 2
[pid 20080] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20080] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20080] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20080] exit_group(0)               = ?
[pid 20080] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20080, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20081
./strace-static-x86_64: Process 20081 attached
[pid 20081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20081] setpgid(0, 0)               = 0
[pid 20081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20081] write(3, "1000", 4)         = 4
[pid 20081] close(3)                    = 0
[pid 20081] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20081] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20081] write(4, "78", 2)           = 2
[pid 20081] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20081] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20081] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20081] exit_group(0)               = ?
[pid 20081] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20081, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20082 attached
, child_tidptr=0x555555af35d0) = 20082
[pid 20082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20082] setpgid(0, 0)               = 0
[pid 20082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20082] write(3, "1000", 4)         = 4
[pid 20082] close(3)                    = 0
[pid 20082] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20082] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20082] write(4, "78", 2)           = 2
[pid 20082] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20082] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20082] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20082] exit_group(0)               = ?
[pid 20082] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20082, 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=0x555555af35d0) = 20083
./strace-static-x86_64: Process 20083 attached
[pid 20083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20083] setpgid(0, 0)               = 0
[pid 20083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20083] write(3, "1000", 4)         = 4
[pid 20083] close(3)                    = 0
[pid 20083] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20083] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20083] write(4, "78", 2)           = 2
[pid 20083] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20083] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20083] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20083] exit_group(0)               = ?
[pid 20083] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20083, 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=0x555555af35d0) = 20084
./strace-static-x86_64: Process 20084 attached
[pid 20084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20084] setpgid(0, 0)               = 0
[pid 20084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20084] write(3, "1000", 4)         = 4
[pid 20084] close(3)                    = 0
[pid 20084] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20084] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20084] write(4, "78", 2)           = 2
[pid 20084] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20084] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20084] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20084] exit_group(0)               = ?
[pid 20084] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20084, 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=0x555555af35d0) = 20085
./strace-static-x86_64: Process 20085 attached
[pid 20085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20085] setpgid(0, 0)               = 0
[pid 20085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20085] write(3, "1000", 4)         = 4
[pid 20085] close(3)                    = 0
[pid 20085] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20085] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20085] write(4, "78", 2)           = 2
[pid 20085] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20085] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20085] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20085] exit_group(0)               = ?
[pid 20085] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20085, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20086
./strace-static-x86_64: Process 20086 attached
[pid 20086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20086] setpgid(0, 0)               = 0
[pid 20086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20086] write(3, "1000", 4)         = 4
[pid 20086] close(3)                    = 0
[pid 20086] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20086] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20086] write(4, "78", 2)           = 2
[pid 20086] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20086] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20086] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20086] exit_group(0)               = ?
[pid 20086] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20086, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20087
./strace-static-x86_64: Process 20087 attached
[pid 20087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20087] setpgid(0, 0)               = 0
[pid 20087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20087] write(3, "1000", 4)         = 4
[pid 20087] close(3)                    = 0
[pid 20087] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20087] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20087] write(4, "78", 2)           = 2
[pid 20087] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20087] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20087] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20087] exit_group(0)               = ?
[pid 20087] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20087, 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=0x555555af35d0) = 20088
./strace-static-x86_64: Process 20088 attached
[pid 20088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20088] setpgid(0, 0)               = 0
[pid 20088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20088] write(3, "1000", 4)         = 4
[pid 20088] close(3)                    = 0
[pid 20088] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20088] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20088] write(4, "78", 2)           = 2
[pid 20088] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20088] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20088] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20088] exit_group(0)               = ?
[pid 20088] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20088, 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=0x555555af35d0) = 20089
./strace-static-x86_64: Process 20089 attached
[pid 20089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20089] setpgid(0, 0)               = 0
[pid 20089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20089] write(3, "1000", 4)         = 4
[pid 20089] close(3)                    = 0
[pid 20089] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20089] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20089] write(4, "78", 2)           = 2
[pid 20089] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20089] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20089] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20089] exit_group(0)               = ?
[pid 20089] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20089, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20090 attached
, child_tidptr=0x555555af35d0) = 20090
[pid 20090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20090] setpgid(0, 0)               = 0
[pid 20090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20090] write(3, "1000", 4)         = 4
[pid 20090] close(3)                    = 0
[pid 20090] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20090] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20090] write(4, "78", 2)           = 2
[pid 20090] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20090] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20090] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20090] exit_group(0)               = ?
[pid 20090] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20090, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20091 attached
, child_tidptr=0x555555af35d0) = 20091
[pid 20091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20091] setpgid(0, 0)               = 0
[pid 20091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20091] write(3, "1000", 4)         = 4
[pid 20091] close(3)                    = 0
[pid 20091] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20091] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20091] write(4, "78", 2)           = 2
[pid 20091] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20091] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20091] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20091] exit_group(0)               = ?
[pid 20091] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20091, 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 20092 attached
, child_tidptr=0x555555af35d0) = 20092
[pid 20092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20092] setpgid(0, 0)               = 0
[pid 20092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20092] write(3, "1000", 4)         = 4
[pid 20092] close(3)                    = 0
[pid 20092] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20092] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20092] write(4, "78", 2)           = 2
[pid 20092] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20092] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20092] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20092] exit_group(0)               = ?
[pid 20092] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20092, 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 20093 attached
, child_tidptr=0x555555af35d0) = 20093
[pid 20093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20093] setpgid(0, 0)               = 0
[pid 20093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20093] write(3, "1000", 4)         = 4
[pid 20093] close(3)                    = 0
[pid 20093] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20093] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20093] write(4, "78", 2)           = 2
[pid 20093] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20093] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20093] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20093] exit_group(0)               = ?
[pid 20093] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20093, 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=0x555555af35d0) = 20094
./strace-static-x86_64: Process 20094 attached
[pid 20094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20094] setpgid(0, 0)               = 0
[pid 20094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20094] write(3, "1000", 4)         = 4
[pid 20094] close(3)                    = 0
[pid 20094] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20094] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20094] write(4, "78", 2)           = 2
[pid 20094] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20094] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20094] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20094] exit_group(0)               = ?
[pid 20094] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20094, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20095 attached
, child_tidptr=0x555555af35d0) = 20095
[pid 20095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20095] setpgid(0, 0)               = 0
[pid 20095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20095] write(3, "1000", 4)         = 4
[pid 20095] close(3)                    = 0
[pid 20095] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20095] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20095] write(4, "78", 2)           = 2
[pid 20095] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20095] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20095] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20095] exit_group(0)               = ?
[pid 20095] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20095, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20096 attached
, child_tidptr=0x555555af35d0) = 20096
[pid 20096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20096] setpgid(0, 0)               = 0
[pid 20096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20096] write(3, "1000", 4)         = 4
[pid 20096] close(3)                    = 0
[pid 20096] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20096] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20096] write(4, "78", 2)           = 2
[pid 20096] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20096] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20096] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20096] exit_group(0)               = ?
[pid 20096] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20096, 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 20097 attached
, child_tidptr=0x555555af35d0) = 20097
[pid 20097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20097] setpgid(0, 0)               = 0
[pid 20097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20097] write(3, "1000", 4)         = 4
[pid 20097] close(3)                    = 0
[pid 20097] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20097] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20097] write(4, "78", 2)           = 2
[pid 20097] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20097] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20097] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20097] exit_group(0)               = ?
[pid 20097] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20097, 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 20098 attached
, child_tidptr=0x555555af35d0) = 20098
[pid 20098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20098] setpgid(0, 0)               = 0
[pid 20098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20098] write(3, "1000", 4)         = 4
[pid 20098] close(3)                    = 0
[pid 20098] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20098] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20098] write(4, "78", 2)           = 2
[pid 20098] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20098] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20098] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20098] exit_group(0)               = ?
[pid 20098] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20098, 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 20099 attached
, child_tidptr=0x555555af35d0) = 20099
[pid 20099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20099] setpgid(0, 0)               = 0
[pid 20099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20099] write(3, "1000", 4)         = 4
[pid 20099] close(3)                    = 0
[pid 20099] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20099] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20099] write(4, "78", 2)           = 2
[pid 20099] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20099] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20099] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20099] exit_group(0)               = ?
[pid 20099] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20099, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20100 attached
, child_tidptr=0x555555af35d0) = 20100
[pid 20100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20100] setpgid(0, 0)               = 0
[pid 20100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20100] write(3, "1000", 4)         = 4
[pid 20100] close(3)                    = 0
[pid 20100] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20100] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20100] write(4, "78", 2)           = 2
[pid 20100] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20100] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20100] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20100] exit_group(0)               = ?
[pid 20100] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20100, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20101
./strace-static-x86_64: Process 20101 attached
[pid 20101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20101] setpgid(0, 0)               = 0
[pid 20101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20101] write(3, "1000", 4)         = 4
[pid 20101] close(3)                    = 0
[pid 20101] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20101] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20101] write(4, "78", 2)           = 2
[pid 20101] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20101] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20101] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20101] exit_group(0)               = ?
[pid 20101] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20101, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20102
./strace-static-x86_64: Process 20102 attached
[pid 20102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20102] setpgid(0, 0)               = 0
[pid 20102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20102] write(3, "1000", 4)         = 4
[pid 20102] close(3)                    = 0
[pid 20102] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20102] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20102] write(4, "78", 2)           = 2
[pid 20102] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20102] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20102] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20102] exit_group(0)               = ?
[pid 20102] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20102, 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=0x555555af35d0) = 20103
./strace-static-x86_64: Process 20103 attached
[pid 20103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20103] setpgid(0, 0)               = 0
[pid 20103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20103] write(3, "1000", 4)         = 4
[pid 20103] close(3)                    = 0
[pid 20103] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20103] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20103] write(4, "78", 2)           = 2
[pid 20103] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20103] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20103] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20103] exit_group(0)               = ?
[pid 20103] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20103, 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=0x555555af35d0) = 20104
./strace-static-x86_64: Process 20104 attached
[pid 20104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20104] setpgid(0, 0)               = 0
[pid 20104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20104] write(3, "1000", 4)         = 4
[pid 20104] close(3)                    = 0
[pid 20104] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20104] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20104] write(4, "78", 2)           = 2
[pid 20104] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20104] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20104] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20104] exit_group(0)               = ?
[pid 20104] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20104, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20105 attached
, child_tidptr=0x555555af35d0) = 20105
[pid 20105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20105] setpgid(0, 0)               = 0
[pid 20105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20105] write(3, "1000", 4)         = 4
[pid 20105] close(3)                    = 0
[pid 20105] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20105] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20105] write(4, "78", 2)           = 2
[pid 20105] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20105] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20105] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20105] exit_group(0)               = ?
[pid 20105] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20105, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20106
./strace-static-x86_64: Process 20106 attached
[pid 20106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20106] setpgid(0, 0)               = 0
[pid 20106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20106] write(3, "1000", 4)         = 4
[pid 20106] close(3)                    = 0
[pid 20106] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20106] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20106] write(4, "78", 2)           = 2
[pid 20106] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20106] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20106] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20106] exit_group(0)               = ?
[pid 20106] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20106, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20107
./strace-static-x86_64: Process 20107 attached
[pid 20107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20107] setpgid(0, 0)               = 0
[pid 20107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20107] write(3, "1000", 4)         = 4
[pid 20107] close(3)                    = 0
[pid 20107] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20107] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20107] write(4, "78", 2)           = 2
[pid 20107] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20107] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20107] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20107] exit_group(0)               = ?
[pid 20107] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20107, 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 20108 attached
, child_tidptr=0x555555af35d0) = 20108
[pid 20108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20108] setpgid(0, 0)               = 0
[pid 20108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20108] write(3, "1000", 4)         = 4
[pid 20108] close(3)                    = 0
[pid 20108] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20108] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20108] write(4, "78", 2)           = 2
[pid 20108] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20108] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20108] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20108] exit_group(0)               = ?
[pid 20108] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20108, 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=0x555555af35d0) = 20109
./strace-static-x86_64: Process 20109 attached
[pid 20109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20109] setpgid(0, 0)               = 0
[pid 20109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20109] write(3, "1000", 4)         = 4
[pid 20109] close(3)                    = 0
[pid 20109] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20109] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20109] write(4, "78", 2)           = 2
[pid 20109] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20109] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20109] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20109] exit_group(0)               = ?
[pid 20109] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20109, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20110
./strace-static-x86_64: Process 20110 attached
[pid 20110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20110] setpgid(0, 0)               = 0
[pid 20110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20110] write(3, "1000", 4)         = 4
[pid 20110] close(3)                    = 0
[pid 20110] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20110] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20110] write(4, "78", 2)           = 2
[pid 20110] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20110] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20110] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20110] exit_group(0)               = ?
[pid 20110] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20110, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20111 attached
, child_tidptr=0x555555af35d0) = 20111
[pid 20111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20111] setpgid(0, 0)               = 0
[pid 20111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20111] write(3, "1000", 4)         = 4
[pid 20111] close(3)                    = 0
[pid 20111] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20111] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20111] write(4, "78", 2)           = 2
[pid 20111] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20111] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20111] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20111] exit_group(0)               = ?
[pid 20111] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20111, 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 20112 attached
, child_tidptr=0x555555af35d0) = 20112
[pid 20112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20112] setpgid(0, 0)               = 0
[pid 20112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20112] write(3, "1000", 4)         = 4
[pid 20112] close(3)                    = 0
[pid 20112] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20112] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20112] write(4, "78", 2)           = 2
[pid 20112] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20112] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20112] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20112] exit_group(0)               = ?
[pid 20112] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20112, 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 20113 attached
, child_tidptr=0x555555af35d0) = 20113
[pid 20113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20113] setpgid(0, 0)               = 0
[pid 20113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20113] write(3, "1000", 4)         = 4
[pid 20113] close(3)                    = 0
[pid 20113] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20113] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20113] write(4, "78", 2)           = 2
[pid 20113] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20113] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20113] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20113] exit_group(0)               = ?
[pid 20113] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20113, 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 20114 attached
, child_tidptr=0x555555af35d0) = 20114
[pid 20114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20114] setpgid(0, 0)               = 0
[pid 20114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20114] write(3, "1000", 4)         = 4
[pid 20114] close(3)                    = 0
[pid 20114] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20114] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20114] write(4, "78", 2)           = 2
[pid 20114] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20114] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20114] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20114] exit_group(0)               = ?
[pid 20114] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20114, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20115 attached
, child_tidptr=0x555555af35d0) = 20115
[pid 20115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20115] setpgid(0, 0)               = 0
[pid 20115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20115] write(3, "1000", 4)         = 4
[pid 20115] close(3)                    = 0
[pid 20115] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20115] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20115] write(4, "78", 2)           = 2
[pid 20115] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20115] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20115] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20115] exit_group(0)               = ?
[pid 20115] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20115, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20116 attached
, child_tidptr=0x555555af35d0) = 20116
[pid 20116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20116] setpgid(0, 0)               = 0
[pid 20116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20116] write(3, "1000", 4)         = 4
[pid 20116] close(3)                    = 0
[pid 20116] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20116] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20116] write(4, "78", 2)           = 2
[pid 20116] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20116] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20116] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20116] exit_group(0)               = ?
[pid 20116] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20116, 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 20117 attached
, child_tidptr=0x555555af35d0) = 20117
[pid 20117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20117] setpgid(0, 0)               = 0
[pid 20117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20117] write(3, "1000", 4)         = 4
[pid 20117] close(3)                    = 0
[pid 20117] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20117] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20117] write(4, "78", 2)           = 2
[pid 20117] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20117] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20117] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20117] exit_group(0)               = ?
[pid 20117] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20117, 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 20118 attached
, child_tidptr=0x555555af35d0) = 20118
[pid 20118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20118] setpgid(0, 0)               = 0
[pid 20118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20118] write(3, "1000", 4)         = 4
[pid 20118] close(3)                    = 0
[pid 20118] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20118] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20118] write(4, "78", 2)           = 2
[pid 20118] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20118] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20118] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20118] exit_group(0)               = ?
[pid 20118] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20118, 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 20119 attached
, child_tidptr=0x555555af35d0) = 20119
[pid 20119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20119] setpgid(0, 0)               = 0
[pid 20119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20119] write(3, "1000", 4)         = 4
[pid 20119] close(3)                    = 0
[pid 20119] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20119] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20119] write(4, "78", 2)           = 2
[pid 20119] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20119] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20119] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20119] exit_group(0)               = ?
[pid 20119] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20119, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20120 attached
, child_tidptr=0x555555af35d0) = 20120
[pid 20120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20120] setpgid(0, 0)               = 0
[pid 20120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20120] write(3, "1000", 4)         = 4
[pid 20120] close(3)                    = 0
[pid 20120] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20120] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20120] write(4, "78", 2)           = 2
[pid 20120] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20120] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20120] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20120] exit_group(0)               = ?
[pid 20120] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20120, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20121 attached
, child_tidptr=0x555555af35d0) = 20121
[pid 20121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20121] setpgid(0, 0)               = 0
[pid 20121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20121] write(3, "1000", 4)         = 4
[pid 20121] close(3)                    = 0
[pid 20121] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20121] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20121] write(4, "78", 2)           = 2
[pid 20121] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20121] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20121] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20121] exit_group(0)               = ?
[pid 20121] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20121, 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=0x555555af35d0) = 20122
./strace-static-x86_64: Process 20122 attached
[pid 20122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20122] setpgid(0, 0)               = 0
[pid 20122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20122] write(3, "1000", 4)         = 4
[pid 20122] close(3)                    = 0
[pid 20122] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20122] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20122] write(4, "78", 2)           = 2
[pid 20122] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20122] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20122] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20122] exit_group(0)               = ?
[pid 20122] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20122, 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=0x555555af35d0) = 20123
./strace-static-x86_64: Process 20123 attached
[pid 20123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20123] setpgid(0, 0)               = 0
[pid 20123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20123] write(3, "1000", 4)         = 4
[pid 20123] close(3)                    = 0
[pid 20123] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20123] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20123] write(4, "78", 2)           = 2
[pid 20123] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20123] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20123] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20123] exit_group(0)               = ?
[pid 20123] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20123, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20124 attached
, child_tidptr=0x555555af35d0) = 20124
[pid 20124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20124] setpgid(0, 0)               = 0
[pid 20124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20124] write(3, "1000", 4)         = 4
[pid 20124] close(3)                    = 0
[pid 20124] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20124] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20124] write(4, "78", 2)           = 2
[pid 20124] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20124] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20124] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20124] exit_group(0)               = ?
[pid 20124] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20124, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20125 attached
, child_tidptr=0x555555af35d0) = 20125
[pid 20125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20125] setpgid(0, 0)               = 0
[pid 20125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20125] write(3, "1000", 4)         = 4
[pid 20125] close(3)                    = 0
[pid 20125] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20125] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20125] write(4, "78", 2)           = 2
[pid 20125] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20125] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20125] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20125] exit_group(0)               = ?
[pid 20125] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20125, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20126 attached
, child_tidptr=0x555555af35d0) = 20126
[pid 20126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20126] setpgid(0, 0)               = 0
[pid 20126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20126] write(3, "1000", 4)         = 4
[pid 20126] close(3)                    = 0
[pid 20126] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20126] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20126] write(4, "78", 2)           = 2
[pid 20126] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20126] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20126] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20126] exit_group(0)               = ?
[pid 20126] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20126, 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=0x555555af35d0) = 20127
./strace-static-x86_64: Process 20127 attached
[pid 20127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20127] setpgid(0, 0)               = 0
[pid 20127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20127] write(3, "1000", 4)         = 4
[pid 20127] close(3)                    = 0
[pid 20127] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20127] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20127] write(4, "78", 2)           = 2
[pid 20127] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20127] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20127] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20127] exit_group(0)               = ?
[pid 20127] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20127, 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 20128 attached
, child_tidptr=0x555555af35d0) = 20128
[pid 20128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20128] setpgid(0, 0)               = 0
[pid 20128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20128] write(3, "1000", 4)         = 4
[pid 20128] close(3)                    = 0
[pid 20128] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20128] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20128] write(4, "78", 2)           = 2
[pid 20128] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20128] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20128] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20128] exit_group(0)               = ?
[pid 20128] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20128, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20129 attached
, child_tidptr=0x555555af35d0) = 20129
[pid 20129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20129] setpgid(0, 0)               = 0
[pid 20129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20129] write(3, "1000", 4)         = 4
[pid 20129] close(3)                    = 0
[pid 20129] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20129] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20129] write(4, "78", 2)           = 2
[pid 20129] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20129] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20129] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20129] exit_group(0)               = ?
[pid 20129] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20129, 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 20130 attached
, child_tidptr=0x555555af35d0) = 20130
[pid 20130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20130] setpgid(0, 0)               = 0
[pid 20130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20130] write(3, "1000", 4)         = 4
[pid 20130] close(3)                    = 0
[pid 20130] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20130] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20130] write(4, "78", 2)           = 2
[pid 20130] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20130] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20130] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20130] exit_group(0)               = ?
[pid 20130] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20130, 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=0x555555af35d0) = 20131
./strace-static-x86_64: Process 20131 attached
[pid 20131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20131] setpgid(0, 0)               = 0
[pid 20131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20131] write(3, "1000", 4)         = 4
[pid 20131] close(3)                    = 0
[pid 20131] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20131] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20131] write(4, "78", 2)           = 2
[pid 20131] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20131] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20131] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20131] exit_group(0)               = ?
[pid 20131] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20131, 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 20132 attached
, child_tidptr=0x555555af35d0) = 20132
[pid 20132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20132] setpgid(0, 0)               = 0
[pid 20132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20132] write(3, "1000", 4)         = 4
[pid 20132] close(3)                    = 0
[pid 20132] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20132] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20132] write(4, "78", 2)           = 2
[pid 20132] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20132] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20132] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20132] exit_group(0)               = ?
[pid 20132] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20132, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20133 attached
, child_tidptr=0x555555af35d0) = 20133
[pid 20133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20133] setpgid(0, 0)               = 0
[pid 20133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20133] write(3, "1000", 4)         = 4
[pid 20133] close(3)                    = 0
[pid 20133] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20133] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20133] write(4, "78", 2)           = 2
[pid 20133] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20133] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20133] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20133] exit_group(0)               = ?
[pid 20133] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20133, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20134 attached
, child_tidptr=0x555555af35d0) = 20134
[pid 20134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20134] setpgid(0, 0)               = 0
[pid 20134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20134] write(3, "1000", 4)         = 4
[pid 20134] close(3)                    = 0
[pid 20134] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20134] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20134] write(4, "78", 2)           = 2
[pid 20134] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20134] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20134] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20134] exit_group(0)               = ?
[pid 20134] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20134, 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 20135 attached
, child_tidptr=0x555555af35d0) = 20135
[pid 20135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20135] setpgid(0, 0)               = 0
[pid 20135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20135] write(3, "1000", 4)         = 4
[pid 20135] close(3)                    = 0
[pid 20135] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20135] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20135] write(4, "78", 2)           = 2
[pid 20135] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20135] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20135] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20135] exit_group(0)               = ?
[pid 20135] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20135, 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=0x555555af35d0) = 20136
./strace-static-x86_64: Process 20136 attached
[pid 20136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20136] setpgid(0, 0)               = 0
[pid 20136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20136] write(3, "1000", 4)         = 4
[pid 20136] close(3)                    = 0
[pid 20136] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20136] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20136] write(4, "78", 2)           = 2
[pid 20136] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20136] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20136] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20136] exit_group(0)               = ?
[pid 20136] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20136, 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 20137 attached
, child_tidptr=0x555555af35d0) = 20137
[pid 20137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20137] setpgid(0, 0)               = 0
[pid 20137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20137] write(3, "1000", 4)         = 4
[pid 20137] close(3)                    = 0
[pid 20137] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20137] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20137] write(4, "78", 2)           = 2
[pid 20137] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20137] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20137] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20137] exit_group(0)               = ?
[pid 20137] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20137, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20138
./strace-static-x86_64: Process 20138 attached
[pid 20138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20138] setpgid(0, 0)               = 0
[pid 20138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20138] write(3, "1000", 4)         = 4
[pid 20138] close(3)                    = 0
[pid 20138] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20138] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20138] write(4, "78", 2)           = 2
[pid 20138] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20138] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20138] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20138] exit_group(0)               = ?
[pid 20138] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20138, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20139
./strace-static-x86_64: Process 20139 attached
[pid 20139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20139] setpgid(0, 0)               = 0
[pid 20139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20139] write(3, "1000", 4)         = 4
[pid 20139] close(3)                    = 0
[pid 20139] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20139] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20139] write(4, "78", 2)           = 2
[pid 20139] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20139] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20139] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20139] exit_group(0)               = ?
[pid 20139] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20139, 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 20140 attached
, child_tidptr=0x555555af35d0) = 20140
[pid 20140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20140] setpgid(0, 0)               = 0
[pid 20140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20140] write(3, "1000", 4)         = 4
[pid 20140] close(3)                    = 0
[pid 20140] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20140] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20140] write(4, "78", 2)           = 2
[pid 20140] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20140] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20140] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20140] exit_group(0)               = ?
[pid 20140] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20140, 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 20141 attached
, child_tidptr=0x555555af35d0) = 20141
[pid 20141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20141] setpgid(0, 0)               = 0
[pid 20141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20141] write(3, "1000", 4)         = 4
[pid 20141] close(3)                    = 0
[pid 20141] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20141] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20141] write(4, "78", 2)           = 2
[pid 20141] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20141] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20141] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20141] exit_group(0)               = ?
[pid 20141] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20141, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20142
./strace-static-x86_64: Process 20142 attached
[pid 20142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20142] setpgid(0, 0)               = 0
[pid 20142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20142] write(3, "1000", 4)         = 4
[pid 20142] close(3)                    = 0
[pid 20142] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20142] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20142] write(4, "78", 2)           = 2
[pid 20142] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20142] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20142] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20142] exit_group(0)               = ?
[pid 20142] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20142, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20143
./strace-static-x86_64: Process 20143 attached
[pid 20143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20143] setpgid(0, 0)               = 0
[pid 20143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20143] write(3, "1000", 4)         = 4
[pid 20143] close(3)                    = 0
[pid 20143] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20143] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20143] write(4, "78", 2)           = 2
[pid 20143] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20143] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20143] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20143] exit_group(0)               = ?
[pid 20143] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20143, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20144
./strace-static-x86_64: Process 20144 attached
[pid 20144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20144] setpgid(0, 0)               = 0
[pid 20144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20144] write(3, "1000", 4)         = 4
[pid 20144] close(3)                    = 0
[pid 20144] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20144] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20144] write(4, "78", 2)           = 2
[pid 20144] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20144] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20144] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20144] exit_group(0)               = ?
[pid 20144] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20144, 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 20145 attached
, child_tidptr=0x555555af35d0) = 20145
[pid 20145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20145] setpgid(0, 0)               = 0
[pid 20145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20145] write(3, "1000", 4)         = 4
[pid 20145] close(3)                    = 0
[pid 20145] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20145] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20145] write(4, "78", 2)           = 2
[pid 20145] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20145] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20145] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20145] exit_group(0)               = ?
[pid 20145] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20145, 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=0x555555af35d0) = 20146
./strace-static-x86_64: Process 20146 attached
[pid 20146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20146] setpgid(0, 0)               = 0
[pid 20146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20146] write(3, "1000", 4)         = 4
[pid 20146] close(3)                    = 0
[pid 20146] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20146] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20146] write(4, "78", 2)           = 2
[pid 20146] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20146] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20146] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20146] exit_group(0)               = ?
[pid 20146] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20146, 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 20147 attached
, child_tidptr=0x555555af35d0) = 20147
[pid 20147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20147] setpgid(0, 0)               = 0
[pid 20147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20147] write(3, "1000", 4)         = 4
[pid 20147] close(3)                    = 0
[pid 20147] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20147] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20147] write(4, "78", 2)           = 2
[pid 20147] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20147] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20147] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20147] exit_group(0)               = ?
[pid 20147] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20147, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20148
./strace-static-x86_64: Process 20148 attached
[pid 20148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20148] setpgid(0, 0)               = 0
[pid 20148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20148] write(3, "1000", 4)         = 4
[pid 20148] close(3)                    = 0
[pid 20148] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20148] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20148] write(4, "78", 2)           = 2
[pid 20148] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20148] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20148] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20148] exit_group(0)               = ?
[pid 20148] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20148, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20149
./strace-static-x86_64: Process 20149 attached
[pid 20149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20149] setpgid(0, 0)               = 0
[pid 20149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20149] write(3, "1000", 4)         = 4
[pid 20149] close(3)                    = 0
[pid 20149] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20149] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20149] write(4, "78", 2)           = 2
[pid 20149] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20149] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20149] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20149] exit_group(0)               = ?
[pid 20149] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20149, 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=0x555555af35d0) = 20150
./strace-static-x86_64: Process 20150 attached
[pid 20150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20150] setpgid(0, 0)               = 0
[pid 20150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20150] write(3, "1000", 4)         = 4
[pid 20150] close(3)                    = 0
[pid 20150] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20150] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20150] write(4, "78", 2)           = 2
[pid 20150] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20150] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20150] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20150] exit_group(0)               = ?
[pid 20150] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20150, 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=0x555555af35d0) = 20151
./strace-static-x86_64: Process 20151 attached
[pid 20151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20151] setpgid(0, 0)               = 0
[pid 20151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20151] write(3, "1000", 4)         = 4
[pid 20151] close(3)                    = 0
[pid 20151] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20151] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20151] write(4, "78", 2)           = 2
[pid 20151] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20151] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20151] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20151] exit_group(0)               = ?
[pid 20151] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20151, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20152 attached
, child_tidptr=0x555555af35d0) = 20152
[pid 20152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20152] setpgid(0, 0)               = 0
[pid 20152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20152] write(3, "1000", 4)         = 4
[pid 20152] close(3)                    = 0
[pid 20152] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20152] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20152] write(4, "78", 2)           = 2
[pid 20152] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20152] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20152] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20152] exit_group(0)               = ?
[pid 20152] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20152, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20153 attached
, child_tidptr=0x555555af35d0) = 20153
[pid 20153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20153] setpgid(0, 0)               = 0
[pid 20153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20153] write(3, "1000", 4)         = 4
[pid 20153] close(3)                    = 0
[pid 20153] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20153] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20153] write(4, "78", 2)           = 2
[pid 20153] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20153] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20153] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20153] exit_group(0)               = ?
[pid 20153] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20153, 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=0x555555af35d0) = 20154
./strace-static-x86_64: Process 20154 attached
[pid 20154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20154] setpgid(0, 0)               = 0
[pid 20154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20154] write(3, "1000", 4)         = 4
[pid 20154] close(3)                    = 0
[pid 20154] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20154] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20154] write(4, "78", 2)           = 2
[pid 20154] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20154] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20154] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20154] exit_group(0)               = ?
[pid 20154] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20154, 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 20155 attached
, child_tidptr=0x555555af35d0) = 20155
[pid 20155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20155] setpgid(0, 0)               = 0
[pid 20155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20155] write(3, "1000", 4)         = 4
[pid 20155] close(3)                    = 0
[pid 20155] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20155] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20155] write(4, "78", 2)           = 2
[pid 20155] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20155] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20155] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20155] exit_group(0)               = ?
[pid 20155] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20155, 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 20156 attached
, child_tidptr=0x555555af35d0) = 20156
[pid 20156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20156] setpgid(0, 0)               = 0
[pid 20156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20156] write(3, "1000", 4)         = 4
[pid 20156] close(3)                    = 0
[pid 20156] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20156] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20156] write(4, "78", 2)           = 2
[pid 20156] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20156] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20156] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20156] exit_group(0)               = ?
[pid 20156] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20156, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20157
./strace-static-x86_64: Process 20157 attached
[pid 20157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20157] setpgid(0, 0)               = 0
[pid 20157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20157] write(3, "1000", 4)         = 4
[pid 20157] close(3)                    = 0
[pid 20157] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20157] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20157] write(4, "78", 2)           = 2
[pid 20157] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20157] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20157] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20157] exit_group(0)               = ?
[pid 20157] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20157, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20158 attached
, child_tidptr=0x555555af35d0) = 20158
[pid 20158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20158] setpgid(0, 0)               = 0
[pid 20158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20158] write(3, "1000", 4)         = 4
[pid 20158] close(3)                    = 0
[pid 20158] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20158] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20158] write(4, "78", 2)           = 2
[pid 20158] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20158] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20158] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20158] exit_group(0)               = ?
[pid 20158] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20158, 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=0x555555af35d0) = 20159
./strace-static-x86_64: Process 20159 attached
[pid 20159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20159] setpgid(0, 0)               = 0
[pid 20159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20159] write(3, "1000", 4)         = 4
[pid 20159] close(3)                    = 0
[pid 20159] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20159] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20159] write(4, "78", 2)           = 2
[pid 20159] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20159] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20159] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20159] exit_group(0)               = ?
[pid 20159] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20159, 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=0x555555af35d0) = 20160
./strace-static-x86_64: Process 20160 attached
[pid 20160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20160] setpgid(0, 0)               = 0
[pid 20160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20160] write(3, "1000", 4)         = 4
[pid 20160] close(3)                    = 0
[pid 20160] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20160] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20160] write(4, "78", 2)           = 2
[pid 20160] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20160] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20160] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20160] exit_group(0)               = ?
[pid 20160] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20160, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20161
./strace-static-x86_64: Process 20161 attached
[pid 20161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20161] setpgid(0, 0)               = 0
[pid 20161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20161] write(3, "1000", 4)         = 4
[pid 20161] close(3)                    = 0
[pid 20161] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20161] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20161] write(4, "78", 2)           = 2
[pid 20161] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20161] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20161] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20161] exit_group(0)               = ?
[pid 20161] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20161, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20162 attached
, child_tidptr=0x555555af35d0) = 20162
[pid 20162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20162] setpgid(0, 0)               = 0
[pid 20162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20162] write(3, "1000", 4)         = 4
[pid 20162] close(3)                    = 0
[pid 20162] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20162] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20162] write(4, "78", 2)           = 2
[pid 20162] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20162] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20162] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20162] exit_group(0)               = ?
[pid 20162] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20162, 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=0x555555af35d0) = 20163
./strace-static-x86_64: Process 20163 attached
[pid 20163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20163] setpgid(0, 0)               = 0
[pid 20163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20163] write(3, "1000", 4)         = 4
[pid 20163] close(3)                    = 0
[pid 20163] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20163] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20163] write(4, "78", 2)           = 2
[pid 20163] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20163] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20163] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20163] exit_group(0)               = ?
[pid 20163] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20163, 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=0x555555af35d0) = 20164
./strace-static-x86_64: Process 20164 attached
[pid 20164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20164] setpgid(0, 0)               = 0
[pid 20164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20164] write(3, "1000", 4)         = 4
[pid 20164] close(3)                    = 0
[pid 20164] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20164] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20164] write(4, "78", 2)           = 2
[pid 20164] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20164] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20164] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20164] exit_group(0)               = ?
[pid 20164] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20164, 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=0x555555af35d0) = 20165
./strace-static-x86_64: Process 20165 attached
[pid 20165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20165] setpgid(0, 0)               = 0
[pid 20165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20165] write(3, "1000", 4)         = 4
[pid 20165] close(3)                    = 0
[pid 20165] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20165] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20165] write(4, "78", 2)           = 2
[pid 20165] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20165] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20165] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20165] exit_group(0)               = ?
[pid 20165] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20165, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20166
./strace-static-x86_64: Process 20166 attached
[pid 20166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20166] setpgid(0, 0)               = 0
[pid 20166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20166] write(3, "1000", 4)         = 4
[pid 20166] close(3)                    = 0
[pid 20166] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20166] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20166] write(4, "78", 2)           = 2
[pid 20166] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20166] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20166] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20166] exit_group(0)               = ?
[pid 20166] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20166, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20167 attached
, child_tidptr=0x555555af35d0) = 20167
[pid 20167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20167] setpgid(0, 0)               = 0
[pid 20167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20167] write(3, "1000", 4)         = 4
[pid 20167] close(3)                    = 0
[pid 20167] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20167] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20167] write(4, "78", 2)           = 2
[pid 20167] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20167] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20167] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20167] exit_group(0)               = ?
[pid 20167] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20167, 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=0x555555af35d0) = 20168
./strace-static-x86_64: Process 20168 attached
[pid 20168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20168] setpgid(0, 0)               = 0
[pid 20168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20168] write(3, "1000", 4)         = 4
[pid 20168] close(3)                    = 0
[pid 20168] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20168] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20168] write(4, "78", 2)           = 2
[pid 20168] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20168] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20168] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20168] exit_group(0)               = ?
[pid 20168] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20168, 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 20169 attached
, child_tidptr=0x555555af35d0) = 20169
[pid 20169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20169] setpgid(0, 0)               = 0
[pid 20169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20169] write(3, "1000", 4)         = 4
[pid 20169] close(3)                    = 0
[pid 20169] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20169] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20169] write(4, "78", 2)           = 2
[pid 20169] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20169] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20169] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20169] exit_group(0)               = ?
[pid 20169] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20169, 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 20170 attached
, child_tidptr=0x555555af35d0) = 20170
[pid 20170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20170] setpgid(0, 0)               = 0
[pid 20170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20170] write(3, "1000", 4)         = 4
[pid 20170] close(3)                    = 0
[pid 20170] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20170] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20170] write(4, "78", 2)           = 2
[pid 20170] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20170] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20170] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20170] exit_group(0)               = ?
[pid 20170] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20170, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20171 attached
, child_tidptr=0x555555af35d0) = 20171
[pid 20171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20171] setpgid(0, 0)               = 0
[pid 20171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20171] write(3, "1000", 4)         = 4
[pid 20171] close(3)                    = 0
[pid 20171] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20171] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20171] write(4, "78", 2)           = 2
[pid 20171] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20171] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20171] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20171] exit_group(0)               = ?
[pid 20171] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20171, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20172 attached
, child_tidptr=0x555555af35d0) = 20172
[pid 20172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20172] setpgid(0, 0)               = 0
[pid 20172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20172] write(3, "1000", 4)         = 4
[pid 20172] close(3)                    = 0
[pid 20172] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20172] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20172] write(4, "78", 2)           = 2
[pid 20172] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20172] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20172] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20172] exit_group(0)               = ?
[pid 20172] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20172, 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 20173 attached
, child_tidptr=0x555555af35d0) = 20173
[pid 20173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20173] setpgid(0, 0)               = 0
[pid 20173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20173] write(3, "1000", 4)         = 4
[pid 20173] close(3)                    = 0
[pid 20173] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20173] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20173] write(4, "78", 2)           = 2
[pid 20173] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20173] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20173] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20173] exit_group(0)               = ?
[pid 20173] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20173, 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 20174 attached
, child_tidptr=0x555555af35d0) = 20174
[pid 20174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20174] setpgid(0, 0)               = 0
[pid 20174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20174] write(3, "1000", 4)         = 4
[pid 20174] close(3)                    = 0
[pid 20174] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20174] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20174] write(4, "78", 2)           = 2
[pid 20174] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20174] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20174] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20174] exit_group(0)               = ?
[pid 20174] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20174, 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 20175 attached
, child_tidptr=0x555555af35d0) = 20175
[pid 20175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20175] setpgid(0, 0)               = 0
[pid 20175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20175] write(3, "1000", 4)         = 4
[pid 20175] close(3)                    = 0
[pid 20175] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20175] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20175] write(4, "78", 2)           = 2
[pid 20175] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20175] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20175] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20175] exit_group(0)               = ?
[pid 20175] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20175, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20176 attached
, child_tidptr=0x555555af35d0) = 20176
[pid 20176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20176] setpgid(0, 0)               = 0
[pid 20176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20176] write(3, "1000", 4)         = 4
[pid 20176] close(3)                    = 0
[pid 20176] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20176] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20176] write(4, "78", 2)           = 2
[pid 20176] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20176] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20176] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20176] exit_group(0)               = ?
[pid 20176] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20176, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20177 attached
, child_tidptr=0x555555af35d0) = 20177
[pid 20177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20177] setpgid(0, 0)               = 0
[pid 20177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20177] write(3, "1000", 4)         = 4
[pid 20177] close(3)                    = 0
[pid 20177] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20177] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20177] write(4, "78", 2)           = 2
[pid 20177] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20177] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20177] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20177] exit_group(0)               = ?
[pid 20177] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20177, 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 20178 attached
, child_tidptr=0x555555af35d0) = 20178
[pid 20178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20178] setpgid(0, 0)               = 0
[pid 20178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20178] write(3, "1000", 4)         = 4
[pid 20178] close(3)                    = 0
[pid 20178] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20178] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20178] write(4, "78", 2)           = 2
[pid 20178] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20178] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20178] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20178] exit_group(0)               = ?
[pid 20178] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20178, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20179
./strace-static-x86_64: Process 20179 attached
[pid 20179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20179] setpgid(0, 0)               = 0
[pid 20179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20179] write(3, "1000", 4)         = 4
[pid 20179] close(3)                    = 0
[pid 20179] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20179] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20179] write(4, "78", 2)           = 2
[pid 20179] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20179] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20179] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20179] exit_group(0)               = ?
[pid 20179] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20179, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20180 attached
, child_tidptr=0x555555af35d0) = 20180
[pid 20180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20180] setpgid(0, 0)               = 0
[pid 20180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20180] write(3, "1000", 4)         = 4
[pid 20180] close(3)                    = 0
[pid 20180] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20180] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20180] write(4, "78", 2)           = 2
[pid 20180] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20180] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20180] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20180] exit_group(0)               = ?
[pid 20180] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20180, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20181
./strace-static-x86_64: Process 20181 attached
[pid 20181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20181] setpgid(0, 0)               = 0
[pid 20181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20181] write(3, "1000", 4)         = 4
[pid 20181] close(3)                    = 0
[pid 20181] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20181] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20181] write(4, "78", 2)           = 2
[pid 20181] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20181] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20181] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20181] exit_group(0)               = ?
[pid 20181] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20181, 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=0x555555af35d0) = 20182
./strace-static-x86_64: Process 20182 attached
[pid 20182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20182] setpgid(0, 0)               = 0
[pid 20182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20182] write(3, "1000", 4)         = 4
[pid 20182] close(3)                    = 0
[pid 20182] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20182] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20182] write(4, "78", 2)           = 2
[pid 20182] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20182] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20182] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20182] exit_group(0)               = ?
[pid 20182] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20182, 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 20183 attached
, child_tidptr=0x555555af35d0) = 20183
[pid 20183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20183] setpgid(0, 0)               = 0
[pid 20183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20183] write(3, "1000", 4)         = 4
[pid 20183] close(3)                    = 0
[pid 20183] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20183] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20183] write(4, "78", 2)           = 2
[pid 20183] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20183] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20183] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20183] exit_group(0)               = ?
[pid 20183] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20183, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20184 attached
, child_tidptr=0x555555af35d0) = 20184
[pid 20184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20184] setpgid(0, 0)               = 0
[pid 20184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20184] write(3, "1000", 4)         = 4
[pid 20184] close(3)                    = 0
[pid 20184] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20184] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20184] write(4, "78", 2)           = 2
[pid 20184] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20184] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20184] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20184] exit_group(0)               = ?
[pid 20184] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20184, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20185
./strace-static-x86_64: Process 20185 attached
[pid 20185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20185] setpgid(0, 0)               = 0
[pid 20185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20185] write(3, "1000", 4)         = 4
[pid 20185] close(3)                    = 0
[pid 20185] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20185] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20185] write(4, "78", 2)           = 2
[pid 20185] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20185] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20185] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20185] exit_group(0)               = ?
[pid 20185] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20185, 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=0x555555af35d0) = 20186
./strace-static-x86_64: Process 20186 attached
[pid 20186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20186] setpgid(0, 0)               = 0
[pid 20186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20186] write(3, "1000", 4)         = 4
[pid 20186] close(3)                    = 0
[pid 20186] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20186] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20186] write(4, "78", 2)           = 2
[pid 20186] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20186] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20186] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20186] exit_group(0)               = ?
[pid 20186] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20186, 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 20187 attached
, child_tidptr=0x555555af35d0) = 20187
[pid 20187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20187] setpgid(0, 0)               = 0
[pid 20187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20187] write(3, "1000", 4)         = 4
[pid 20187] close(3)                    = 0
[pid 20187] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20187] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20187] write(4, "78", 2)           = 2
[pid 20187] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20187] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20187] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20187] exit_group(0)               = ?
[pid 20187] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20187, 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 20188 attached
, child_tidptr=0x555555af35d0) = 20188
[pid 20188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20188] setpgid(0, 0)               = 0
[pid 20188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20188] write(3, "1000", 4)         = 4
[pid 20188] close(3)                    = 0
[pid 20188] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20188] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20188] write(4, "78", 2)           = 2
[pid 20188] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20188] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20188] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20188] exit_group(0)               = ?
[pid 20188] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20188, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20189 attached
, child_tidptr=0x555555af35d0) = 20189
[pid 20189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20189] setpgid(0, 0)               = 0
[pid 20189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20189] write(3, "1000", 4)         = 4
[pid 20189] close(3)                    = 0
[pid 20189] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20189] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20189] write(4, "78", 2)           = 2
[pid 20189] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20189] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20189] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20189] exit_group(0)               = ?
[pid 20189] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20189, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20190 attached
, child_tidptr=0x555555af35d0) = 20190
[pid 20190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20190] setpgid(0, 0)               = 0
[pid 20190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20190] write(3, "1000", 4)         = 4
[pid 20190] close(3)                    = 0
[pid 20190] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20190] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20190] write(4, "78", 2)           = 2
[pid 20190] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20190] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20190] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20190] exit_group(0)               = ?
[pid 20190] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20190, 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 20191 attached
, child_tidptr=0x555555af35d0) = 20191
[pid 20191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20191] setpgid(0, 0)               = 0
[pid 20191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20191] write(3, "1000", 4)         = 4
[pid 20191] close(3)                    = 0
[pid 20191] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20191] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20191] write(4, "78", 2)           = 2
[pid 20191] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20191] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20191] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20191] exit_group(0)               = ?
[pid 20191] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20191, 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=0x555555af35d0) = 20192
./strace-static-x86_64: Process 20192 attached
[pid 20192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20192] setpgid(0, 0)               = 0
[pid 20192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20192] write(3, "1000", 4)         = 4
[pid 20192] close(3)                    = 0
[pid 20192] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20192] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20192] write(4, "78", 2)           = 2
[pid 20192] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20192] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20192] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20192] exit_group(0)               = ?
[pid 20192] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20192, 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=0x555555af35d0) = 20193
./strace-static-x86_64: Process 20193 attached
[pid 20193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20193] setpgid(0, 0)               = 0
[pid 20193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20193] write(3, "1000", 4)         = 4
[pid 20193] close(3)                    = 0
[pid 20193] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20193] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20193] write(4, "78", 2)           = 2
[pid 20193] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20193] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20193] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20193] exit_group(0)               = ?
[pid 20193] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20193, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20194 attached
, child_tidptr=0x555555af35d0) = 20194
[pid 20194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20194] setpgid(0, 0)               = 0
[pid 20194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20194] write(3, "1000", 4)         = 4
[pid 20194] close(3)                    = 0
[pid 20194] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20194] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20194] write(4, "78", 2)           = 2
[pid 20194] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20194] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20194] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20194] exit_group(0)               = ?
[pid 20194] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20194, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20195 attached
, child_tidptr=0x555555af35d0) = 20195
[pid 20195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20195] setpgid(0, 0)               = 0
[pid 20195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20195] write(3, "1000", 4)         = 4
[pid 20195] close(3)                    = 0
[pid 20195] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20195] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20195] write(4, "78", 2)           = 2
[pid 20195] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20195] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20195] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20195] exit_group(0)               = ?
[pid 20195] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20195, 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=0x555555af35d0) = 20196
./strace-static-x86_64: Process 20196 attached
[pid 20196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20196] setpgid(0, 0)               = 0
[pid 20196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20196] write(3, "1000", 4)         = 4
[pid 20196] close(3)                    = 0
[pid 20196] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20196] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20196] write(4, "78", 2)           = 2
[pid 20196] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20196] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20196] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20196] exit_group(0)               = ?
[pid 20196] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20196, 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 20197 attached
, child_tidptr=0x555555af35d0) = 20197
[pid 20197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20197] setpgid(0, 0)               = 0
[pid 20197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20197] write(3, "1000", 4)         = 4
[pid 20197] close(3)                    = 0
[pid 20197] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20197] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20197] write(4, "78", 2)           = 2
[pid 20197] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20197] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20197] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20197] exit_group(0)               = ?
[pid 20197] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20197, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20198
./strace-static-x86_64: Process 20198 attached
[pid 20198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20198] setpgid(0, 0)               = 0
[pid 20198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20198] write(3, "1000", 4)         = 4
[pid 20198] close(3)                    = 0
[pid 20198] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20198] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20198] write(4, "78", 2)           = 2
[pid 20198] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20198] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20198] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20198] exit_group(0)               = ?
[pid 20198] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20198, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20199
./strace-static-x86_64: Process 20199 attached
[pid 20199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20199] setpgid(0, 0)               = 0
[pid 20199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20199] write(3, "1000", 4)         = 4
[pid 20199] close(3)                    = 0
[pid 20199] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20199] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20199] write(4, "78", 2)           = 2
[pid 20199] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20199] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20199] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20199] exit_group(0)               = ?
[pid 20199] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20199, 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=0x555555af35d0) = 20200
./strace-static-x86_64: Process 20200 attached
[pid 20200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20200] setpgid(0, 0)               = 0
[pid 20200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20200] write(3, "1000", 4)         = 4
[pid 20200] close(3)                    = 0
[pid 20200] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20200] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20200] write(4, "78", 2)           = 2
[pid 20200] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20200] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20200] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20200] exit_group(0)               = ?
[pid 20200] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20200, 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 20201 attached
, child_tidptr=0x555555af35d0) = 20201
[pid 20201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20201] setpgid(0, 0)               = 0
[pid 20201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20201] write(3, "1000", 4)         = 4
[pid 20201] close(3)                    = 0
[pid 20201] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20201] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20201] write(4, "78", 2)           = 2
[pid 20201] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20201] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20201] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20201] exit_group(0)               = ?
[pid 20201] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20201, 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=0x555555af35d0) = 20202
./strace-static-x86_64: Process 20202 attached
[pid 20202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20202] setpgid(0, 0)               = 0
[pid 20202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20202] write(3, "1000", 4)         = 4
[pid 20202] close(3)                    = 0
[pid 20202] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20202] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20202] write(4, "78", 2)           = 2
[pid 20202] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20202] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20202] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20202] exit_group(0)               = ?
[pid 20202] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20202, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20203 attached
, child_tidptr=0x555555af35d0) = 20203
[pid 20203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20203] setpgid(0, 0)               = 0
[pid 20203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20203] write(3, "1000", 4)         = 4
[pid 20203] close(3)                    = 0
[pid 20203] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20203] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20203] write(4, "78", 2)           = 2
[pid 20203] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20203] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20203] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20203] exit_group(0)               = ?
[pid 20203] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20203, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20204 attached
, child_tidptr=0x555555af35d0) = 20204
[pid 20204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20204] setpgid(0, 0)               = 0
[pid 20204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20204] write(3, "1000", 4)         = 4
[pid 20204] close(3)                    = 0
[pid 20204] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20204] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20204] write(4, "78", 2)           = 2
[pid 20204] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20204] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20204] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20204] exit_group(0)               = ?
[pid 20204] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20204, 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 20205 attached
, child_tidptr=0x555555af35d0) = 20205
[pid 20205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20205] setpgid(0, 0)               = 0
[pid 20205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20205] write(3, "1000", 4)         = 4
[pid 20205] close(3)                    = 0
[pid 20205] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20205] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20205] write(4, "78", 2)           = 2
[pid 20205] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20205] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20205] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20205] exit_group(0)               = ?
[pid 20205] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20205, si_uid=0, si_status=0, si_utime=1, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20206 attached
, child_tidptr=0x555555af35d0) = 20206
[pid 20206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20206] setpgid(0, 0)               = 0
[pid 20206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20206] write(3, "1000", 4)         = 4
[pid 20206] close(3)                    = 0
[pid 20206] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20206] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20206] write(4, "78", 2)           = 2
[pid 20206] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20206] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20206] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20206] exit_group(0)               = ?
[pid 20206] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20206, si_uid=0, si_status=0, si_utime=1, 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 20207 attached
, child_tidptr=0x555555af35d0) = 20207
[pid 20207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20207] setpgid(0, 0)               = 0
[pid 20207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20207] write(3, "1000", 4)         = 4
[pid 20207] close(3)                    = 0
[pid 20207] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20207] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20207] write(4, "78", 2)           = 2
[pid 20207] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20207] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20207] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20207] exit_group(0)               = ?
[pid 20207] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20207, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20208 attached
, child_tidptr=0x555555af35d0) = 20208
[pid 20208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20208] setpgid(0, 0)               = 0
[pid 20208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20208] write(3, "1000", 4)         = 4
[pid 20208] close(3)                    = 0
[pid 20208] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20208] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20208] write(4, "78", 2)           = 2
[pid 20208] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20208] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20208] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20208] exit_group(0)               = ?
[pid 20208] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20208, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20209 attached
, child_tidptr=0x555555af35d0) = 20209
[pid 20209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20209] setpgid(0, 0)               = 0
[pid 20209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20209] write(3, "1000", 4)         = 4
[pid 20209] close(3)                    = 0
[pid 20209] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20209] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20209] write(4, "78", 2)           = 2
[pid 20209] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20209] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20209] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20209] exit_group(0)               = ?
[pid 20209] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20209, 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=0x555555af35d0) = 20210
./strace-static-x86_64: Process 20210 attached
[pid 20210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20210] setpgid(0, 0)               = 0
[pid 20210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20210] write(3, "1000", 4)         = 4
[pid 20210] close(3)                    = 0
[pid 20210] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20210] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20210] write(4, "78", 2)           = 2
[pid 20210] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20210] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20210] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20210] exit_group(0)               = ?
[pid 20210] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20210, 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=0x555555af35d0) = 20211
./strace-static-x86_64: Process 20211 attached
[pid 20211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20211] setpgid(0, 0)               = 0
[pid 20211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20211] write(3, "1000", 4)         = 4
[pid 20211] close(3)                    = 0
[pid 20211] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20211] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20211] write(4, "78", 2)           = 2
[pid 20211] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20211] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20211] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20211] exit_group(0)               = ?
[pid 20211] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20211, 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 20212 attached
, child_tidptr=0x555555af35d0) = 20212
[pid 20212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20212] setpgid(0, 0)               = 0
[pid 20212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20212] write(3, "1000", 4)         = 4
[pid 20212] close(3)                    = 0
[pid 20212] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20212] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20212] write(4, "78", 2)           = 2
[pid 20212] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20212] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20212] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20212] exit_group(0)               = ?
[pid 20212] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20212, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20213
./strace-static-x86_64: Process 20213 attached
[pid 20213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20213] setpgid(0, 0)               = 0
[pid 20213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20213] write(3, "1000", 4)         = 4
[pid 20213] close(3)                    = 0
[pid 20213] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20213] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20213] write(4, "78", 2)           = 2
[pid 20213] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20213] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20213] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20213] exit_group(0)               = ?
[pid 20213] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20213, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20214 attached
, child_tidptr=0x555555af35d0) = 20214
[pid 20214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20214] setpgid(0, 0)               = 0
[pid 20214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20214] write(3, "1000", 4)         = 4
[pid 20214] close(3)                    = 0
[pid 20214] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20214] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20214] write(4, "78", 2)           = 2
[pid 20214] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20214] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20214] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20214] exit_group(0)               = ?
[pid 20214] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20214, 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=0x555555af35d0) = 20215
./strace-static-x86_64: Process 20215 attached
[pid 20215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20215] setpgid(0, 0)               = 0
[pid 20215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20215] write(3, "1000", 4)         = 4
[pid 20215] close(3)                    = 0
[pid 20215] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20215] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20215] write(4, "78", 2)           = 2
[pid 20215] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20215] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20215] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20215] exit_group(0)               = ?
[pid 20215] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20215, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20216 attached
, child_tidptr=0x555555af35d0) = 20216
[pid 20216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20216] setpgid(0, 0)               = 0
[pid 20216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20216] write(3, "1000", 4)         = 4
[pid 20216] close(3)                    = 0
[pid 20216] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20216] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20216] write(4, "78", 2)           = 2
[pid 20216] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20216] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20216] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20216] exit_group(0)               = ?
[pid 20216] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20216, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20217 attached
, child_tidptr=0x555555af35d0) = 20217
[pid 20217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20217] setpgid(0, 0)               = 0
[pid 20217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20217] write(3, "1000", 4)         = 4
[pid 20217] close(3)                    = 0
[pid 20217] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20217] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20217] write(4, "78", 2)           = 2
[pid 20217] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20217] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20217] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20217] exit_group(0)               = ?
[pid 20217] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20217, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20218
./strace-static-x86_64: Process 20218 attached
[pid 20218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20218] setpgid(0, 0)               = 0
[pid 20218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20218] write(3, "1000", 4)         = 4
[pid 20218] close(3)                    = 0
[pid 20218] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20218] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20218] write(4, "78", 2)           = 2
[pid 20218] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20218] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20218] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20218] exit_group(0)               = ?
[pid 20218] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20218, 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=0x555555af35d0) = 20219
./strace-static-x86_64: Process 20219 attached
[pid 20219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20219] setpgid(0, 0)               = 0
[pid 20219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20219] write(3, "1000", 4)         = 4
[pid 20219] close(3)                    = 0
[pid 20219] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20219] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20219] write(4, "78", 2)           = 2
[pid 20219] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20219] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20219] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20219] exit_group(0)               = ?
[pid 20219] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20219, 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 20220 attached
, child_tidptr=0x555555af35d0) = 20220
[pid 20220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20220] setpgid(0, 0)               = 0
[pid 20220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20220] write(3, "1000", 4)         = 4
[pid 20220] close(3)                    = 0
[pid 20220] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20220] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20220] write(4, "78", 2)           = 2
[pid 20220] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20220] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20220] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20220] exit_group(0)               = ?
[pid 20220] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20220, 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=0x555555af35d0) = 20221
./strace-static-x86_64: Process 20221 attached
[pid 20221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20221] setpgid(0, 0)               = 0
[pid 20221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20221] write(3, "1000", 4)         = 4
[pid 20221] close(3)                    = 0
[pid 20221] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20221] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20221] write(4, "78", 2)           = 2
[pid 20221] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20221] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20221] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20221] exit_group(0)               = ?
[pid 20221] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20221, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20222 attached
, child_tidptr=0x555555af35d0) = 20222
[pid 20222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20222] setpgid(0, 0)               = 0
[pid 20222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20222] write(3, "1000", 4)         = 4
[pid 20222] close(3)                    = 0
[pid 20222] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20222] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20222] write(4, "78", 2)           = 2
[pid 20222] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20222] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20222] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20222] exit_group(0)               = ?
[pid 20222] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20222, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20223 attached
, child_tidptr=0x555555af35d0) = 20223
[pid 20223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20223] setpgid(0, 0)               = 0
[pid 20223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20223] write(3, "1000", 4)         = 4
[pid 20223] close(3)                    = 0
[pid 20223] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20223] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20223] write(4, "78", 2)           = 2
[pid 20223] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20223] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20223] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20223] exit_group(0)               = ?
[pid 20223] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20223, 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=0x555555af35d0) = 20224
./strace-static-x86_64: Process 20224 attached
[pid 20224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20224] setpgid(0, 0)               = 0
[pid 20224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20224] write(3, "1000", 4)         = 4
[pid 20224] close(3)                    = 0
[pid 20224] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20224] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20224] write(4, "78", 2)           = 2
[pid 20224] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20224] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20224] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20224] exit_group(0)               = ?
[pid 20224] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20224, 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 20225 attached
, child_tidptr=0x555555af35d0) = 20225
[pid 20225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20225] setpgid(0, 0)               = 0
[pid 20225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20225] write(3, "1000", 4)         = 4
[pid 20225] close(3)                    = 0
[pid 20225] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20225] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20225] write(4, "78", 2)           = 2
[pid 20225] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20225] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20225] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20225] exit_group(0)               = ?
[pid 20225] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20225, 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 20226 attached
, child_tidptr=0x555555af35d0) = 20226
[pid 20226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20226] setpgid(0, 0)               = 0
[pid 20226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20226] write(3, "1000", 4)         = 4
[pid 20226] close(3)                    = 0
[pid 20226] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20226] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20226] write(4, "78", 2)           = 2
[pid 20226] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20226] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20226] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20226] exit_group(0)               = ?
[pid 20226] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20226, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20227
./strace-static-x86_64: Process 20227 attached
[pid 20227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20227] setpgid(0, 0)               = 0
[pid 20227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20227] write(3, "1000", 4)         = 4
[pid 20227] close(3)                    = 0
[pid 20227] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20227] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20227] write(4, "78", 2)           = 2
[pid 20227] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20227] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20227] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20227] exit_group(0)               = ?
[pid 20227] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20227, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20228 attached
, child_tidptr=0x555555af35d0) = 20228
[pid 20228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20228] setpgid(0, 0)               = 0
[pid 20228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20228] write(3, "1000", 4)         = 4
[pid 20228] close(3)                    = 0
[pid 20228] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20228] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20228] write(4, "78", 2)           = 2
[pid 20228] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20228] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20228] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20228] exit_group(0)               = ?
[pid 20228] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20228, 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 20229 attached
, child_tidptr=0x555555af35d0) = 20229
[pid 20229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20229] setpgid(0, 0)               = 0
[pid 20229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20229] write(3, "1000", 4)         = 4
[pid 20229] close(3)                    = 0
[pid 20229] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20229] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20229] write(4, "78", 2)           = 2
[pid 20229] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20229] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20229] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20229] exit_group(0)               = ?
[pid 20229] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20229, 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 20230 attached
, child_tidptr=0x555555af35d0) = 20230
[pid 20230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20230] setpgid(0, 0)               = 0
[pid 20230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20230] write(3, "1000", 4)         = 4
[pid 20230] close(3)                    = 0
[pid 20230] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20230] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20230] write(4, "78", 2)           = 2
[pid 20230] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20230] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20230] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20230] exit_group(0)               = ?
[pid 20230] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20230, 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 20231 attached
, child_tidptr=0x555555af35d0) = 20231
[pid 20231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20231] setpgid(0, 0)               = 0
[pid 20231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20231] write(3, "1000", 4)         = 4
[pid 20231] close(3)                    = 0
[pid 20231] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20231] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20231] write(4, "78", 2)           = 2
[pid 20231] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20231] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20231] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20231] exit_group(0)               = ?
[pid 20231] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20231, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20232 attached
, child_tidptr=0x555555af35d0) = 20232
[pid 20232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20232] setpgid(0, 0)               = 0
[pid 20232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20232] write(3, "1000", 4)         = 4
[pid 20232] close(3)                    = 0
[pid 20232] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20232] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20232] write(4, "78", 2)           = 2
[pid 20232] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20232] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20232] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20232] exit_group(0)               = ?
[pid 20232] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20232, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20233 attached
, child_tidptr=0x555555af35d0) = 20233
[pid 20233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20233] setpgid(0, 0)               = 0
[pid 20233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20233] write(3, "1000", 4)         = 4
[pid 20233] close(3)                    = 0
[pid 20233] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20233] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20233] write(4, "78", 2)           = 2
[pid 20233] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20233] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20233] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20233] exit_group(0)               = ?
[pid 20233] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20233, 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 20234 attached
, child_tidptr=0x555555af35d0) = 20234
[pid 20234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20234] setpgid(0, 0)               = 0
[pid 20234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20234] write(3, "1000", 4)         = 4
[pid 20234] close(3)                    = 0
[pid 20234] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20234] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20234] write(4, "78", 2)           = 2
[pid 20234] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20234] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20234] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20234] exit_group(0)               = ?
[pid 20234] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20234, 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 20235 attached
, child_tidptr=0x555555af35d0) = 20235
[pid 20235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20235] setpgid(0, 0)               = 0
[pid 20235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20235] write(3, "1000", 4)         = 4
[pid 20235] close(3)                    = 0
[pid 20235] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20235] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20235] write(4, "78", 2)           = 2
[pid 20235] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20235] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20235] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20235] exit_group(0)               = ?
[pid 20235] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20235, 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 20236 attached
, child_tidptr=0x555555af35d0) = 20236
[pid 20236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20236] setpgid(0, 0)               = 0
[pid 20236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20236] write(3, "1000", 4)         = 4
[pid 20236] close(3)                    = 0
[pid 20236] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20236] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20236] write(4, "78", 2)           = 2
[pid 20236] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20236] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20236] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20236] exit_group(0)               = ?
[pid 20236] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20236, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20237 attached
, child_tidptr=0x555555af35d0) = 20237
[pid 20237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20237] setpgid(0, 0)               = 0
[pid 20237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20237] write(3, "1000", 4)         = 4
[pid 20237] close(3)                    = 0
[pid 20237] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20237] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20237] write(4, "78", 2)           = 2
[pid 20237] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20237] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20237] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20237] exit_group(0)               = ?
[pid 20237] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20237, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20238 attached
, child_tidptr=0x555555af35d0) = 20238
[pid 20238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20238] setpgid(0, 0)               = 0
[pid 20238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20238] write(3, "1000", 4)         = 4
[pid 20238] close(3)                    = 0
[pid 20238] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20238] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20238] write(4, "78", 2)           = 2
[pid 20238] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20238] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20238] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20238] exit_group(0)               = ?
[pid 20238] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20238, 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 20239 attached
, child_tidptr=0x555555af35d0) = 20239
[pid 20239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20239] setpgid(0, 0)               = 0
[pid 20239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20239] write(3, "1000", 4)         = 4
[pid 20239] close(3)                    = 0
[pid 20239] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20239] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20239] write(4, "78", 2)           = 2
[pid 20239] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20239] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20239] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20239] exit_group(0)               = ?
[pid 20239] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20239, 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 20240 attached
, child_tidptr=0x555555af35d0) = 20240
[pid 20240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20240] setpgid(0, 0)               = 0
[pid 20240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20240] write(3, "1000", 4)         = 4
[pid 20240] close(3)                    = 0
[pid 20240] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20240] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20240] write(4, "78", 2)           = 2
[pid 20240] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20240] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20240] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20240] exit_group(0)               = ?
[pid 20240] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20240, 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 20241 attached
, child_tidptr=0x555555af35d0) = 20241
[pid 20241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20241] setpgid(0, 0)               = 0
[pid 20241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20241] write(3, "1000", 4)         = 4
[pid 20241] close(3)                    = 0
[pid 20241] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20241] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20241] write(4, "78", 2)           = 2
[pid 20241] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20241] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20241] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20241] exit_group(0)               = ?
[pid 20241] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20241, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20242 attached
, child_tidptr=0x555555af35d0) = 20242
[pid 20242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20242] setpgid(0, 0)               = 0
[pid 20242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20242] write(3, "1000", 4)         = 4
[pid 20242] close(3)                    = 0
[pid 20242] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20242] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20242] write(4, "78", 2)           = 2
[pid 20242] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20242] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20242] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20242] exit_group(0)               = ?
[pid 20242] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20242, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20243
./strace-static-x86_64: Process 20243 attached
[pid 20243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20243] setpgid(0, 0)               = 0
[pid 20243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20243] write(3, "1000", 4)         = 4
[pid 20243] close(3)                    = 0
[pid 20243] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20243] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20243] write(4, "78", 2)           = 2
[pid 20243] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20243] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20243] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20243] exit_group(0)               = ?
[pid 20243] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20243, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20244 attached
, child_tidptr=0x555555af35d0) = 20244
[pid 20244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20244] setpgid(0, 0)               = 0
[pid 20244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20244] write(3, "1000", 4)         = 4
[pid 20244] close(3)                    = 0
[pid 20244] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20244] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20244] write(4, "78", 2)           = 2
[pid 20244] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20244] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20244] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20244] exit_group(0)               = ?
[pid 20244] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20244, 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 20245 attached
, child_tidptr=0x555555af35d0) = 20245
[pid 20245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20245] setpgid(0, 0)               = 0
[pid 20245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20245] write(3, "1000", 4)         = 4
[pid 20245] close(3)                    = 0
[pid 20245] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20245] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20245] write(4, "78", 2)           = 2
[pid 20245] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20245] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20245] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20245] exit_group(0)               = ?
[pid 20245] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20245, 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 20246 attached
, child_tidptr=0x555555af35d0) = 20246
[pid 20246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20246] setpgid(0, 0)               = 0
[pid 20246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20246] write(3, "1000", 4)         = 4
[pid 20246] close(3)                    = 0
[pid 20246] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20246] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20246] write(4, "78", 2)           = 2
[pid 20246] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20246] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20246] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20246] exit_group(0)               = ?
[pid 20246] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20246, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20247
./strace-static-x86_64: Process 20247 attached
[pid 20247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20247] setpgid(0, 0)               = 0
[pid 20247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20247] write(3, "1000", 4)         = 4
[pid 20247] close(3)                    = 0
[pid 20247] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20247] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20247] write(4, "78", 2)           = 2
[pid 20247] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20247] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20247] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20247] exit_group(0)               = ?
[pid 20247] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20247, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20248
./strace-static-x86_64: Process 20248 attached
[pid 20248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20248] setpgid(0, 0)               = 0
[pid 20248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20248] write(3, "1000", 4)         = 4
[pid 20248] close(3)                    = 0
[pid 20248] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20248] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20248] write(4, "78", 2)           = 2
[pid 20248] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20248] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20248] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20248] exit_group(0)               = ?
[pid 20248] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20248, 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 20249 attached
, child_tidptr=0x555555af35d0) = 20249
[pid 20249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20249] setpgid(0, 0)               = 0
[pid 20249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20249] write(3, "1000", 4)         = 4
[pid 20249] close(3)                    = 0
[pid 20249] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20249] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20249] write(4, "78", 2)           = 2
[pid 20249] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20249] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20249] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20249] exit_group(0)               = ?
[pid 20249] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20249, 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=0x555555af35d0) = 20250
./strace-static-x86_64: Process 20250 attached
[pid 20250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20250] setpgid(0, 0)               = 0
[pid 20250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20250] write(3, "1000", 4)         = 4
[pid 20250] close(3)                    = 0
[pid 20250] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20250] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20250] write(4, "78", 2)           = 2
[pid 20250] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20250] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20250] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20250] exit_group(0)               = ?
[pid 20250] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20250, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20251
./strace-static-x86_64: Process 20251 attached
[pid 20251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20251] setpgid(0, 0)               = 0
[pid 20251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20251] write(3, "1000", 4)         = 4
[pid 20251] close(3)                    = 0
[pid 20251] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20251] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20251] write(4, "78", 2)           = 2
[pid 20251] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20251] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20251] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20251] exit_group(0)               = ?
[pid 20251] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20251, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20252 attached
, child_tidptr=0x555555af35d0) = 20252
[pid 20252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20252] setpgid(0, 0)               = 0
[pid 20252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20252] write(3, "1000", 4)         = 4
[pid 20252] close(3)                    = 0
[pid 20252] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20252] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20252] write(4, "78", 2)           = 2
[pid 20252] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20252] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20252] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20252] exit_group(0)               = ?
[pid 20252] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20252, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20253 attached
, child_tidptr=0x555555af35d0) = 20253
[pid 20253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20253] setpgid(0, 0)               = 0
[pid 20253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20253] write(3, "1000", 4)         = 4
[pid 20253] close(3)                    = 0
[pid 20253] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20253] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20253] write(4, "78", 2)           = 2
[pid 20253] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20253] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20253] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20253] exit_group(0)               = ?
[pid 20253] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20253, 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 20254 attached
, child_tidptr=0x555555af35d0) = 20254
[pid 20254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20254] setpgid(0, 0)               = 0
[pid 20254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20254] write(3, "1000", 4)         = 4
[pid 20254] close(3)                    = 0
[pid 20254] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20254] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20254] write(4, "78", 2)           = 2
[pid 20254] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20254] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20254] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20254] exit_group(0)               = ?
[pid 20254] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20254, 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 20255 attached
, child_tidptr=0x555555af35d0) = 20255
[pid 20255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20255] setpgid(0, 0)               = 0
[pid 20255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20255] write(3, "1000", 4)         = 4
[pid 20255] close(3)                    = 0
[pid 20255] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20255] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20255] write(4, "78", 2)           = 2
[pid 20255] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20255] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20255] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20255] exit_group(0)               = ?
[pid 20255] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20255, 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=0x555555af35d0) = 20256
./strace-static-x86_64: Process 20256 attached
[pid 20256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20256] setpgid(0, 0)               = 0
[pid 20256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20256] write(3, "1000", 4)         = 4
[pid 20256] close(3)                    = 0
[pid 20256] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20256] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20256] write(4, "78", 2)           = 2
[pid 20256] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20256] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20256] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20256] exit_group(0)               = ?
[pid 20256] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20256, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20257
./strace-static-x86_64: Process 20257 attached
[pid 20257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20257] setpgid(0, 0)               = 0
[pid 20257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20257] write(3, "1000", 4)         = 4
[pid 20257] close(3)                    = 0
[pid 20257] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20257] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20257] write(4, "78", 2)           = 2
[pid 20257] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20257] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20257] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20257] exit_group(0)               = ?
[pid 20257] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20257, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20258
./strace-static-x86_64: Process 20258 attached
[pid 20258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20258] setpgid(0, 0)               = 0
[pid 20258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20258] write(3, "1000", 4)         = 4
[pid 20258] close(3)                    = 0
[pid 20258] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20258] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20258] write(4, "78", 2)           = 2
[pid 20258] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20258] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20258] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20258] exit_group(0)               = ?
[pid 20258] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20258, 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=0x555555af35d0) = 20259
./strace-static-x86_64: Process 20259 attached
[pid 20259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20259] setpgid(0, 0)               = 0
[pid 20259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20259] write(3, "1000", 4)         = 4
[pid 20259] close(3)                    = 0
[pid 20259] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20259] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20259] write(4, "78", 2)           = 2
[pid 20259] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20259] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20259] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20259] exit_group(0)               = ?
[pid 20259] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20259, 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 20260 attached
, child_tidptr=0x555555af35d0) = 20260
[pid 20260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20260] setpgid(0, 0)               = 0
[pid 20260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20260] write(3, "1000", 4)         = 4
[pid 20260] close(3)                    = 0
[pid 20260] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20260] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20260] write(4, "78", 2)           = 2
[pid 20260] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20260] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20260] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20260] exit_group(0)               = ?
[pid 20260] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20260, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20261 attached
, child_tidptr=0x555555af35d0) = 20261
[pid 20261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20261] setpgid(0, 0)               = 0
[pid 20261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20261] write(3, "1000", 4)         = 4
[pid 20261] close(3)                    = 0
[pid 20261] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20261] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20261] write(4, "78", 2)           = 2
[pid 20261] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20261] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20261] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20261] exit_group(0)               = ?
[pid 20261] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20261, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20262
./strace-static-x86_64: Process 20262 attached
[pid 20262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20262] setpgid(0, 0)               = 0
[pid 20262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20262] write(3, "1000", 4)         = 4
[pid 20262] close(3)                    = 0
[pid 20262] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20262] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20262] write(4, "78", 2)           = 2
[pid 20262] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20262] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20262] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20262] exit_group(0)               = ?
[pid 20262] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20262, 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 20263 attached
, child_tidptr=0x555555af35d0) = 20263
[pid 20263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20263] setpgid(0, 0)               = 0
[pid 20263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20263] write(3, "1000", 4)         = 4
[pid 20263] close(3)                    = 0
[pid 20263] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20263] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20263] write(4, "78", 2)           = 2
[pid 20263] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20263] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20263] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20263] exit_group(0)               = ?
[pid 20263] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20263, 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 20264 attached
, child_tidptr=0x555555af35d0) = 20264
[pid 20264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20264] setpgid(0, 0)               = 0
[pid 20264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20264] write(3, "1000", 4)         = 4
[pid 20264] close(3)                    = 0
[pid 20264] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20264] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20264] write(4, "78", 2)           = 2
[pid 20264] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20264] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20264] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20264] exit_group(0)               = ?
[pid 20264] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20264, 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 20265 attached
, child_tidptr=0x555555af35d0) = 20265
[pid 20265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20265] setpgid(0, 0)               = 0
[pid 20265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20265] write(3, "1000", 4)         = 4
[pid 20265] close(3)                    = 0
[pid 20265] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20265] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20265] write(4, "78", 2)           = 2
[pid 20265] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20265] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20265] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20265] exit_group(0)               = ?
[pid 20265] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20265, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20266 attached
, child_tidptr=0x555555af35d0) = 20266
[pid 20266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20266] setpgid(0, 0)               = 0
[pid 20266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20266] write(3, "1000", 4)         = 4
[pid 20266] close(3)                    = 0
[pid 20266] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20266] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20266] write(4, "78", 2)           = 2
[pid 20266] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20266] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20266] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20266] exit_group(0)               = ?
[pid 20266] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20266, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20267 attached
, child_tidptr=0x555555af35d0) = 20267
[pid 20267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20267] setpgid(0, 0)               = 0
[pid 20267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20267] write(3, "1000", 4)         = 4
[pid 20267] close(3)                    = 0
[pid 20267] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20267] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20267] write(4, "78", 2)           = 2
[pid 20267] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20267] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20267] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20267] exit_group(0)               = ?
[pid 20267] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20267, 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 20268 attached
, child_tidptr=0x555555af35d0) = 20268
[pid 20268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20268] setpgid(0, 0)               = 0
[pid 20268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20268] write(3, "1000", 4)         = 4
[pid 20268] close(3)                    = 0
[pid 20268] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20268] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20268] write(4, "78", 2)           = 2
[pid 20268] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20268] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20268] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20268] exit_group(0)               = ?
[pid 20268] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20268, 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=0x555555af35d0) = 20269
./strace-static-x86_64: Process 20269 attached
[pid 20269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20269] setpgid(0, 0)               = 0
[pid 20269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20269] write(3, "1000", 4)         = 4
[pid 20269] close(3)                    = 0
[pid 20269] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20269] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20269] write(4, "78", 2)           = 2
[pid 20269] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20269] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20269] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20269] exit_group(0)               = ?
[pid 20269] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20269, 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=0x555555af35d0) = 20270
./strace-static-x86_64: Process 20270 attached
[pid 20270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20270] setpgid(0, 0)               = 0
[pid 20270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20270] write(3, "1000", 4)         = 4
[pid 20270] close(3)                    = 0
[pid 20270] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20270] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20270] write(4, "78", 2)           = 2
[pid 20270] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20270] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20270] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20270] exit_group(0)               = ?
[pid 20270] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20270, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20271
./strace-static-x86_64: Process 20271 attached
[pid 20271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20271] setpgid(0, 0)               = 0
[pid 20271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20271] write(3, "1000", 4)         = 4
[pid 20271] close(3)                    = 0
[pid 20271] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20271] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20271] write(4, "78", 2)           = 2
[pid 20271] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20271] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20271] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20271] exit_group(0)               = ?
[pid 20271] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20271, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20272 attached
, child_tidptr=0x555555af35d0) = 20272
[pid 20272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20272] setpgid(0, 0)               = 0
[pid 20272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20272] write(3, "1000", 4)         = 4
[pid 20272] close(3)                    = 0
[pid 20272] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20272] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20272] write(4, "78", 2)           = 2
[pid 20272] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20272] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20272] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20272] exit_group(0)               = ?
[pid 20272] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20272, 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=0x555555af35d0) = 20273
./strace-static-x86_64: Process 20273 attached
[pid 20273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20273] setpgid(0, 0)               = 0
[pid 20273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20273] write(3, "1000", 4)         = 4
[pid 20273] close(3)                    = 0
[pid 20273] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20273] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20273] write(4, "78", 2)           = 2
[pid 20273] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20273] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20273] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20273] exit_group(0)               = ?
[pid 20273] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20273, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20274
./strace-static-x86_64: Process 20274 attached
[pid 20274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20274] setpgid(0, 0)               = 0
[pid 20274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20274] write(3, "1000", 4)         = 4
[pid 20274] close(3)                    = 0
[pid 20274] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20274] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20274] write(4, "78", 2)           = 2
[pid 20274] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20274] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20274] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20274] exit_group(0)               = ?
[pid 20274] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20274, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20275
./strace-static-x86_64: Process 20275 attached
[pid 20275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20275] setpgid(0, 0)               = 0
[pid 20275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20275] write(3, "1000", 4)         = 4
[pid 20275] close(3)                    = 0
[pid 20275] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20275] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20275] write(4, "78", 2)           = 2
[pid 20275] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20275] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20275] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20275] exit_group(0)               = ?
[pid 20275] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20275, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20276
./strace-static-x86_64: Process 20276 attached
[pid 20276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20276] setpgid(0, 0)               = 0
[pid 20276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20276] write(3, "1000", 4)         = 4
[pid 20276] close(3)                    = 0
[pid 20276] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20276] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20276] write(4, "78", 2)           = 2
[pid 20276] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20276] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20276] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20276] exit_group(0)               = ?
[pid 20276] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20276, 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 20277 attached
, child_tidptr=0x555555af35d0) = 20277
[pid 20277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20277] setpgid(0, 0)               = 0
[pid 20277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20277] write(3, "1000", 4)         = 4
[pid 20277] close(3)                    = 0
[pid 20277] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20277] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20277] write(4, "78", 2)           = 2
[pid 20277] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20277] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20277] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20277] exit_group(0)               = ?
[pid 20277] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20277, 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 20278 attached
, child_tidptr=0x555555af35d0) = 20278
[pid 20278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20278] setpgid(0, 0)               = 0
[pid 20278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20278] write(3, "1000", 4)         = 4
[pid 20278] close(3)                    = 0
[pid 20278] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20278] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20278] write(4, "78", 2)           = 2
[pid 20278] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20278] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20278] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20278] exit_group(0)               = ?
[pid 20278] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20278, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20279 attached
, child_tidptr=0x555555af35d0) = 20279
[pid 20279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20279] setpgid(0, 0)               = 0
[pid 20279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20279] write(3, "1000", 4)         = 4
[pid 20279] close(3)                    = 0
[pid 20279] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20279] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20279] write(4, "78", 2)           = 2
[pid 20279] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20279] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20279] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20279] exit_group(0)               = ?
[pid 20279] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20279, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20280 attached
 <unfinished ...>
[pid 20280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20280] setpgid(0, 0)               = 0
[pid 20280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  3600] <... clone resumed>, child_tidptr=0x555555af35d0) = 20280
[pid 20280] <... openat resumed>)       = 3
[pid 20280] write(3, "1000", 4)         = 4
[pid 20280] close(3)                    = 0
[pid 20280] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20280] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20280] write(4, "78", 2)           = 2
[pid 20280] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20280] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20280] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20280] exit_group(0)               = ?
[pid 20280] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20280, 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 20281 attached
, child_tidptr=0x555555af35d0) = 20281
[pid 20281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20281] setpgid(0, 0)               = 0
[pid 20281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20281] write(3, "1000", 4)         = 4
[pid 20281] close(3)                    = 0
[pid 20281] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20281] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20281] write(4, "78", 2)           = 2
[pid 20281] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20281] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20281] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20281] exit_group(0)               = ?
[pid 20281] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20281, 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 20282 attached
, child_tidptr=0x555555af35d0) = 20282
[pid 20282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20282] setpgid(0, 0)               = 0
[pid 20282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20282] write(3, "1000", 4)         = 4
[pid 20282] close(3)                    = 0
[pid 20282] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20282] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20282] write(4, "78", 2)           = 2
[pid 20282] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20282] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20282] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20282] exit_group(0)               = ?
[pid 20282] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20282, 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=0x555555af35d0) = 20283
./strace-static-x86_64: Process 20283 attached
[pid 20283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20283] setpgid(0, 0)               = 0
[pid 20283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20283] write(3, "1000", 4)         = 4
[pid 20283] close(3)                    = 0
[pid 20283] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20283] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20283] write(4, "78", 2)           = 2
[pid 20283] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20283] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20283] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20283] exit_group(0)               = ?
[pid 20283] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20283, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20284 attached
, child_tidptr=0x555555af35d0) = 20284
[pid 20284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20284] setpgid(0, 0)               = 0
[pid 20284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20284] write(3, "1000", 4)         = 4
[pid 20284] close(3)                    = 0
[pid 20284] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20284] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20284] write(4, "78", 2)           = 2
[pid 20284] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20284] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20284] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20284] exit_group(0)               = ?
[pid 20284] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20284, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20285 attached
, child_tidptr=0x555555af35d0) = 20285
[pid 20285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20285] setpgid(0, 0)               = 0
[pid 20285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20285] write(3, "1000", 4)         = 4
[pid 20285] close(3)                    = 0
[pid 20285] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20285] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20285] write(4, "78", 2)           = 2
[pid 20285] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20285] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20285] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20285] exit_group(0)               = ?
[pid 20285] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20285, 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 20286 attached
, child_tidptr=0x555555af35d0) = 20286
[pid 20286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20286] setpgid(0, 0)               = 0
[pid 20286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20286] write(3, "1000", 4)         = 4
[pid 20286] close(3)                    = 0
[pid 20286] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20286] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20286] write(4, "78", 2)           = 2
[pid 20286] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20286] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20286] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20286] exit_group(0)               = ?
[pid 20286] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20286, 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 20287 attached
, child_tidptr=0x555555af35d0) = 20287
[pid 20287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20287] setpgid(0, 0)               = 0
[pid 20287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20287] write(3, "1000", 4)         = 4
[pid 20287] close(3)                    = 0
[pid 20287] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20287] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20287] write(4, "78", 2)           = 2
[pid 20287] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20287] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20287] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20287] exit_group(0)               = ?
[pid 20287] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20287, 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 20288 attached
, child_tidptr=0x555555af35d0) = 20288
[pid 20288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20288] setpgid(0, 0)               = 0
[pid 20288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20288] write(3, "1000", 4)         = 4
[pid 20288] close(3)                    = 0
[pid 20288] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20288] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20288] write(4, "78", 2)           = 2
[pid 20288] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20288] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20288] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20288] exit_group(0)               = ?
[pid 20288] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20288, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20289 attached
, child_tidptr=0x555555af35d0) = 20289
[pid 20289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20289] setpgid(0, 0)               = 0
[pid 20289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20289] write(3, "1000", 4)         = 4
[pid 20289] close(3)                    = 0
[pid 20289] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20289] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20289] write(4, "78", 2)           = 2
[pid 20289] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20289] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20289] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20289] exit_group(0)               = ?
[pid 20289] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20289, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20290 attached
, child_tidptr=0x555555af35d0) = 20290
[pid 20290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20290] setpgid(0, 0)               = 0
[pid 20290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20290] write(3, "1000", 4)         = 4
[pid 20290] close(3)                    = 0
[pid 20290] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20290] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20290] write(4, "78", 2)           = 2
[pid 20290] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20290] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20290] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20290] exit_group(0)               = ?
[pid 20290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20290, 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=0x555555af35d0) = 20291
./strace-static-x86_64: Process 20291 attached
[pid 20291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20291] setpgid(0, 0)               = 0
[pid 20291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20291] write(3, "1000", 4)         = 4
[pid 20291] close(3)                    = 0
[pid 20291] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20291] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20291] write(4, "78", 2)           = 2
[pid 20291] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20291] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20291] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20291] exit_group(0)               = ?
[pid 20291] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20291, 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 20292 attached
, child_tidptr=0x555555af35d0) = 20292
[pid 20292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20292] setpgid(0, 0)               = 0
[pid 20292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20292] write(3, "1000", 4)         = 4
[pid 20292] close(3)                    = 0
[pid 20292] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20292] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20292] write(4, "78", 2)           = 2
[pid 20292] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20292] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20292] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20292] exit_group(0)               = ?
[pid 20292] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20292, 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 20293 attached
, child_tidptr=0x555555af35d0) = 20293
[pid 20293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20293] setpgid(0, 0)               = 0
[pid 20293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20293] write(3, "1000", 4)         = 4
[pid 20293] close(3)                    = 0
[pid 20293] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20293] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20293] write(4, "78", 2)           = 2
[pid 20293] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20293] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20293] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20293] exit_group(0)               = ?
[pid 20293] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20293, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20294 attached
, child_tidptr=0x555555af35d0) = 20294
[pid 20294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20294] setpgid(0, 0)               = 0
[pid 20294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20294] write(3, "1000", 4)         = 4
[pid 20294] close(3)                    = 0
[pid 20294] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20294] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20294] write(4, "78", 2)           = 2
[pid 20294] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20294] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20294] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20294] exit_group(0)               = ?
[pid 20294] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20294, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20295
./strace-static-x86_64: Process 20295 attached
[pid 20295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20295] setpgid(0, 0)               = 0
[pid 20295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20295] write(3, "1000", 4)         = 4
[pid 20295] close(3)                    = 0
[pid 20295] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20295] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20295] write(4, "78", 2)           = 2
[pid 20295] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20295] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20295] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20295] exit_group(0)               = ?
[pid 20295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20295, 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=0x555555af35d0) = 20296
./strace-static-x86_64: Process 20296 attached
[pid 20296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20296] setpgid(0, 0)               = 0
[pid 20296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20296] write(3, "1000", 4)         = 4
[pid 20296] close(3)                    = 0
[pid 20296] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20296] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20296] write(4, "78", 2)           = 2
[pid 20296] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20296] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20296] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20296] exit_group(0)               = ?
[pid 20296] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20296, 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 20297 attached
, child_tidptr=0x555555af35d0) = 20297
[pid 20297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20297] setpgid(0, 0)               = 0
[pid 20297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20297] write(3, "1000", 4)         = 4
[pid 20297] close(3)                    = 0
[pid 20297] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20297] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20297] write(4, "78", 2)           = 2
[pid 20297] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20297] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20297] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20297] exit_group(0)               = ?
[pid 20297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20297, 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 20298 attached
, child_tidptr=0x555555af35d0) = 20298
[pid 20298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20298] setpgid(0, 0)               = 0
[pid 20298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20298] write(3, "1000", 4)         = 4
[pid 20298] close(3)                    = 0
[pid 20298] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20298] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20298] write(4, "78", 2)           = 2
[pid 20298] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20298] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20298] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20298] exit_group(0)               = ?
[pid 20298] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20298, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20299 attached
, child_tidptr=0x555555af35d0) = 20299
[pid 20299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20299] setpgid(0, 0)               = 0
[pid 20299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20299] write(3, "1000", 4)         = 4
[pid 20299] close(3)                    = 0
[pid 20299] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20299] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20299] write(4, "78", 2)           = 2
[pid 20299] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20299] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20299] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20299] exit_group(0)               = ?
[pid 20299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20299, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20300
./strace-static-x86_64: Process 20300 attached
[pid 20300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20300] setpgid(0, 0)               = 0
[pid 20300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20300] write(3, "1000", 4)         = 4
[pid 20300] close(3)                    = 0
[pid 20300] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20300] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20300] write(4, "78", 2)           = 2
[pid 20300] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20300] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20300] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20300] exit_group(0)               = ?
[pid 20300] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20300, 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=0x555555af35d0) = 20301
./strace-static-x86_64: Process 20301 attached
[pid 20301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20301] setpgid(0, 0)               = 0
[pid 20301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20301] write(3, "1000", 4)         = 4
[pid 20301] close(3)                    = 0
[pid 20301] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20301] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20301] write(4, "78", 2)           = 2
[pid 20301] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20301] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20301] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20301] exit_group(0)               = ?
[pid 20301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20301, 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=0x555555af35d0) = 20302
./strace-static-x86_64: Process 20302 attached
[pid 20302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20302] setpgid(0, 0)               = 0
[pid 20302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20302] write(3, "1000", 4)         = 4
[pid 20302] close(3)                    = 0
[pid 20302] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20302] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20302] write(4, "78", 2)           = 2
[pid 20302] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20302] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20302] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20302] exit_group(0)               = ?
[pid 20302] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20302, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20303
./strace-static-x86_64: Process 20303 attached
[pid 20303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20303] setpgid(0, 0)               = 0
[pid 20303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20303] write(3, "1000", 4)         = 4
[pid 20303] close(3)                    = 0
[pid 20303] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20303] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20303] write(4, "78", 2)           = 2
[pid 20303] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20303] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20303] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20303] exit_group(0)               = ?
[pid 20303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20303, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20304 attached
, child_tidptr=0x555555af35d0) = 20304
[pid 20304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20304] setpgid(0, 0)               = 0
[pid 20304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20304] write(3, "1000", 4)         = 4
[pid 20304] close(3)                    = 0
[pid 20304] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20304] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20304] write(4, "78", 2)           = 2
[pid 20304] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20304] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20304] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20304] exit_group(0)               = ?
[pid 20304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20304, 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 20305 attached
, child_tidptr=0x555555af35d0) = 20305
[pid 20305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20305] setpgid(0, 0)               = 0
[pid 20305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20305] write(3, "1000", 4)         = 4
[pid 20305] close(3)                    = 0
[pid 20305] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20305] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20305] write(4, "78", 2)           = 2
[pid 20305] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20305] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20305] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20305] exit_group(0)               = ?
[pid 20305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20305, 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 20306 attached
, child_tidptr=0x555555af35d0) = 20306
[pid 20306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20306] setpgid(0, 0)               = 0
[pid 20306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20306] write(3, "1000", 4)         = 4
[pid 20306] close(3)                    = 0
[pid 20306] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20306] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20306] write(4, "78", 2)           = 2
[pid 20306] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20306] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20306] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20306] exit_group(0)               = ?
[pid 20306] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20306, 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 20307 attached
, child_tidptr=0x555555af35d0) = 20307
[pid 20307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20307] setpgid(0, 0)               = 0
[pid 20307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20307] write(3, "1000", 4)         = 4
[pid 20307] close(3)                    = 0
[pid 20307] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20307] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20307] write(4, "78", 2)           = 2
[pid 20307] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20307] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20307] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20307] exit_group(0)               = ?
[pid 20307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20307, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20308 attached
, child_tidptr=0x555555af35d0) = 20308
[pid 20308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20308] setpgid(0, 0)               = 0
[pid 20308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20308] write(3, "1000", 4)         = 4
[pid 20308] close(3)                    = 0
[pid 20308] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20308] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20308] write(4, "78", 2)           = 2
[pid 20308] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20308] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20308] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20308] exit_group(0)               = ?
[pid 20308] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20308, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20309 attached
, child_tidptr=0x555555af35d0) = 20309
[pid 20309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20309] setpgid(0, 0)               = 0
[pid 20309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20309] write(3, "1000", 4)         = 4
[pid 20309] close(3)                    = 0
[pid 20309] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20309] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20309] write(4, "78", 2)           = 2
[pid 20309] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20309] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20309] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20309] exit_group(0)               = ?
[pid 20309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20309, 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=0x555555af35d0) = 20310
./strace-static-x86_64: Process 20310 attached
[pid 20310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20310] setpgid(0, 0)               = 0
[pid 20310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20310] write(3, "1000", 4)         = 4
[pid 20310] close(3)                    = 0
[pid 20310] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20310] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20310] write(4, "78", 2)           = 2
[pid 20310] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20310] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20310] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20310] exit_group(0)               = ?
[pid 20310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20310, 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 20311 attached
, child_tidptr=0x555555af35d0) = 20311
[pid 20311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20311] setpgid(0, 0)               = 0
[pid 20311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20311] write(3, "1000", 4)         = 4
[pid 20311] close(3)                    = 0
[pid 20311] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20311] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20311] write(4, "78", 2)           = 2
[pid 20311] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20311] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20311] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20311] exit_group(0)               = ?
[pid 20311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20311, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20312 attached
, child_tidptr=0x555555af35d0) = 20312
[pid 20312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20312] setpgid(0, 0)               = 0
[pid 20312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20312] write(3, "1000", 4)         = 4
[pid 20312] close(3)                    = 0
[pid 20312] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20312] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20312] write(4, "78", 2)           = 2
[pid 20312] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20312] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20312] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20312] exit_group(0)               = ?
[pid 20312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20312, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20313 attached
, child_tidptr=0x555555af35d0) = 20313
[pid 20313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20313] setpgid(0, 0)               = 0
[pid 20313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20313] write(3, "1000", 4)         = 4
[pid 20313] close(3)                    = 0
[pid 20313] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20313] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20313] write(4, "78", 2)           = 2
[pid 20313] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20313] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20313] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20313] exit_group(0)               = ?
[pid 20313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20313, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20314 attached
, child_tidptr=0x555555af35d0) = 20314
[pid 20314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20314] setpgid(0, 0)               = 0
[pid 20314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20314] write(3, "1000", 4)         = 4
[pid 20314] close(3)                    = 0
[pid 20314] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20314] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20314] write(4, "78", 2)           = 2
[pid 20314] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20314] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20314] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20314] exit_group(0)               = ?
[pid 20314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20314, 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 20315 attached
, child_tidptr=0x555555af35d0) = 20315
[pid 20315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20315] setpgid(0, 0)               = 0
[pid 20315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20315] write(3, "1000", 4)         = 4
[pid 20315] close(3)                    = 0
[pid 20315] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20315] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20315] write(4, "78", 2)           = 2
[pid 20315] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20315] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20315] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20315] exit_group(0)               = ?
[pid 20315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20315, 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 20316 attached
, child_tidptr=0x555555af35d0) = 20316
[pid 20316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20316] setpgid(0, 0)               = 0
[pid 20316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20316] write(3, "1000", 4)         = 4
[pid 20316] close(3)                    = 0
[pid 20316] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20316] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20316] write(4, "78", 2)           = 2
[pid 20316] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20316] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20316] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20316] exit_group(0)               = ?
[pid 20316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20316, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20317
./strace-static-x86_64: Process 20317 attached
[pid 20317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20317] setpgid(0, 0)               = 0
[pid 20317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20317] write(3, "1000", 4)         = 4
[pid 20317] close(3)                    = 0
[pid 20317] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20317] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20317] write(4, "78", 2)           = 2
[pid 20317] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20317] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20317] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20317] exit_group(0)               = ?
[pid 20317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20317, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20318
./strace-static-x86_64: Process 20318 attached
[pid 20318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20318] setpgid(0, 0)               = 0
[pid 20318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20318] write(3, "1000", 4)         = 4
[pid 20318] close(3)                    = 0
[pid 20318] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20318] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20318] write(4, "78", 2)           = 2
[pid 20318] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20318] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20318] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20318] exit_group(0)               = ?
[pid 20318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20318, 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 20319 attached
, child_tidptr=0x555555af35d0) = 20319
[pid 20319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20319] setpgid(0, 0)               = 0
[pid 20319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20319] write(3, "1000", 4)         = 4
[pid 20319] close(3)                    = 0
[pid 20319] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20319] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20319] write(4, "78", 2)           = 2
[pid 20319] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20319] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20319] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20319] exit_group(0)               = ?
[pid 20319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20319, 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=0x555555af35d0) = 20320
./strace-static-x86_64: Process 20320 attached
[pid 20320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20320] setpgid(0, 0)               = 0
[pid 20320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20320] write(3, "1000", 4)         = 4
[pid 20320] close(3)                    = 0
[pid 20320] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20320] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20320] write(4, "78", 2)           = 2
[pid 20320] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20320] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20320] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20320] exit_group(0)               = ?
[pid 20320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20320, 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 20321 attached
, child_tidptr=0x555555af35d0) = 20321
[pid 20321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20321] setpgid(0, 0)               = 0
[pid 20321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20321] write(3, "1000", 4)         = 4
[pid 20321] close(3)                    = 0
[pid 20321] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20321] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20321] write(4, "78", 2)           = 2
[pid 20321] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20321] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20321] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20321] exit_group(0)               = ?
[pid 20321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20321, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20322 attached
, child_tidptr=0x555555af35d0) = 20322
[pid 20322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20322] setpgid(0, 0)               = 0
[pid 20322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20322] write(3, "1000", 4)         = 4
[pid 20322] close(3)                    = 0
[pid 20322] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20322] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20322] write(4, "78", 2)           = 2
[pid 20322] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20322] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20322] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20322] exit_group(0)               = ?
[pid 20322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20322, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20323 attached
, child_tidptr=0x555555af35d0) = 20323
[pid 20323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20323] setpgid(0, 0)               = 0
[pid 20323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20323] write(3, "1000", 4)         = 4
[pid 20323] close(3)                    = 0
[pid 20323] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20323] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20323] write(4, "78", 2)           = 2
[pid 20323] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20323] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20323] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20323] exit_group(0)               = ?
[pid 20323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20323, 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 20324 attached
, child_tidptr=0x555555af35d0) = 20324
[pid 20324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20324] setpgid(0, 0)               = 0
[pid 20324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20324] write(3, "1000", 4)         = 4
[pid 20324] close(3)                    = 0
[pid 20324] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20324] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20324] write(4, "78", 2)           = 2
[pid 20324] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20324] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20324] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20324] exit_group(0)               = ?
[pid 20324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20324, 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 20325 attached
, child_tidptr=0x555555af35d0) = 20325
[pid 20325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20325] setpgid(0, 0)               = 0
[pid 20325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20325] write(3, "1000", 4)         = 4
[pid 20325] close(3)                    = 0
[pid 20325] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20325] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20325] write(4, "78", 2)           = 2
[pid 20325] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20325] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20325] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20325] exit_group(0)               = ?
[pid 20325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20325, 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 20326 attached
, child_tidptr=0x555555af35d0) = 20326
[pid 20326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20326] setpgid(0, 0)               = 0
[pid 20326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20326] write(3, "1000", 4)         = 4
[pid 20326] close(3)                    = 0
[pid 20326] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20326] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20326] write(4, "78", 2)           = 2
[pid 20326] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20326] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20326] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20326] exit_group(0)               = ?
[pid 20326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20326, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20327
./strace-static-x86_64: Process 20327 attached
[pid 20327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20327] setpgid(0, 0)               = 0
[pid 20327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20327] write(3, "1000", 4)         = 4
[pid 20327] close(3)                    = 0
[pid 20327] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20327] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20327] write(4, "78", 2)           = 2
[pid 20327] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20327] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20327] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20327] exit_group(0)               = ?
[pid 20327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20327, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20328 attached
, child_tidptr=0x555555af35d0) = 20328
[pid 20328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20328] setpgid(0, 0)               = 0
[pid 20328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20328] write(3, "1000", 4)         = 4
[pid 20328] close(3)                    = 0
[pid 20328] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20328] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20328] write(4, "78", 2)           = 2
[pid 20328] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20328] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20328] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20328] exit_group(0)               = ?
[pid 20328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20328, 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 20329 attached
, child_tidptr=0x555555af35d0) = 20329
[pid 20329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20329] setpgid(0, 0)               = 0
[pid 20329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20329] write(3, "1000", 4)         = 4
[pid 20329] close(3)                    = 0
[pid 20329] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20329] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20329] write(4, "78", 2)           = 2
[pid 20329] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20329] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20329] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20329] exit_group(0)               = ?
[pid 20329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20329, 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 20330 attached
, child_tidptr=0x555555af35d0) = 20330
[pid 20330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20330] setpgid(0, 0)               = 0
[pid 20330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20330] write(3, "1000", 4)         = 4
[pid 20330] close(3)                    = 0
[pid 20330] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20330] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20330] write(4, "78", 2)           = 2
[pid 20330] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20330] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20330] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20330] exit_group(0)               = ?
[pid 20330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20330, 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 20331 attached
, child_tidptr=0x555555af35d0) = 20331
[pid 20331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20331] setpgid(0, 0)               = 0
[pid 20331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20331] write(3, "1000", 4)         = 4
[pid 20331] close(3)                    = 0
[pid 20331] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20331] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20331] write(4, "78", 2)           = 2
[pid 20331] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20331] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20331] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20331] exit_group(0)               = ?
[pid 20331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20331, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20332
./strace-static-x86_64: Process 20332 attached
[pid 20332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20332] setpgid(0, 0)               = 0
[pid 20332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20332] write(3, "1000", 4)         = 4
[pid 20332] close(3)                    = 0
[pid 20332] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20332] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20332] write(4, "78", 2)           = 2
[pid 20332] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20332] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20332] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20332] exit_group(0)               = ?
[pid 20332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20332, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20333
./strace-static-x86_64: Process 20333 attached
[pid 20333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20333] setpgid(0, 0)               = 0
[pid 20333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20333] write(3, "1000", 4)         = 4
[pid 20333] close(3)                    = 0
[pid 20333] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20333] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20333] write(4, "78", 2)           = 2
[pid 20333] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20333] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20333] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20333] exit_group(0)               = ?
[pid 20333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20333, 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 20334 attached
, child_tidptr=0x555555af35d0) = 20334
[pid 20334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20334] setpgid(0, 0)               = 0
[pid 20334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20334] write(3, "1000", 4)         = 4
[pid 20334] close(3)                    = 0
[pid 20334] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20334] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20334] write(4, "78", 2)           = 2
[pid 20334] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20334] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20334] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20334] exit_group(0)               = ?
[pid 20334] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20334, 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=0x555555af35d0) = 20335
./strace-static-x86_64: Process 20335 attached
[pid 20335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20335] setpgid(0, 0)               = 0
[pid 20335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20335] write(3, "1000", 4)         = 4
[pid 20335] close(3)                    = 0
[pid 20335] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20335] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20335] write(4, "78", 2)           = 2
[pid 20335] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20335] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20335] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20335] exit_group(0)               = ?
[pid 20335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20335, 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 20336 attached
, child_tidptr=0x555555af35d0) = 20336
[pid 20336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20336] setpgid(0, 0)               = 0
[pid 20336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20336] write(3, "1000", 4)         = 4
[pid 20336] close(3)                    = 0
[pid 20336] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20336] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20336] write(4, "78", 2)           = 2
[pid 20336] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20336] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20336] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20336] exit_group(0)               = ?
[pid 20336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20336, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20337 attached
, child_tidptr=0x555555af35d0) = 20337
[pid 20337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20337] setpgid(0, 0)               = 0
[pid 20337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20337] write(3, "1000", 4)         = 4
[pid 20337] close(3)                    = 0
[pid 20337] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20337] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20337] write(4, "78", 2)           = 2
[pid 20337] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20337] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20337] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20337] exit_group(0)               = ?
[pid 20337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20337, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20338 attached
, child_tidptr=0x555555af35d0) = 20338
[pid 20338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20338] setpgid(0, 0)               = 0
[pid 20338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20338] write(3, "1000", 4)         = 4
[pid 20338] close(3)                    = 0
[pid 20338] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20338] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20338] write(4, "78", 2)           = 2
[pid 20338] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20338] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20338] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20338] exit_group(0)               = ?
[pid 20338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20338, 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 20339 attached
, child_tidptr=0x555555af35d0) = 20339
[pid 20339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20339] setpgid(0, 0)               = 0
[pid 20339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20339] write(3, "1000", 4)         = 4
[pid 20339] close(3)                    = 0
[pid 20339] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20339] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20339] write(4, "78", 2)           = 2
[pid 20339] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20339] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20339] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20339] exit_group(0)               = ?
[pid 20339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20339, 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=0x555555af35d0) = 20340
./strace-static-x86_64: Process 20340 attached
[pid 20340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20340] setpgid(0, 0)               = 0
[pid 20340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20340] write(3, "1000", 4)         = 4
[pid 20340] close(3)                    = 0
[pid 20340] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20340] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20340] write(4, "78", 2)           = 2
[pid 20340] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20340] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20340] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20340] exit_group(0)               = ?
[pid 20340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20340, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20341
./strace-static-x86_64: Process 20341 attached
[pid 20341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20341] setpgid(0, 0)               = 0
[pid 20341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20341] write(3, "1000", 4)         = 4
[pid 20341] close(3)                    = 0
[pid 20341] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20341] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20341] write(4, "78", 2)           = 2
[pid 20341] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20341] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20341] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20341] exit_group(0)               = ?
[pid 20341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20341, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20342
./strace-static-x86_64: Process 20342 attached
[pid 20342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20342] setpgid(0, 0)               = 0
[pid 20342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20342] write(3, "1000", 4)         = 4
[pid 20342] close(3)                    = 0
[pid 20342] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20342] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20342] write(4, "78", 2)           = 2
[pid 20342] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20342] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20342] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20342] exit_group(0)               = ?
[pid 20342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20342, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20343
./strace-static-x86_64: Process 20343 attached
[pid 20343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20343] setpgid(0, 0)               = 0
[pid 20343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20343] write(3, "1000", 4)         = 4
[pid 20343] close(3)                    = 0
[pid 20343] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20343] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20343] write(4, "78", 2)           = 2
[pid 20343] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20343] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20343] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20343] exit_group(0)               = ?
[pid 20343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20343, 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 20344 attached
, child_tidptr=0x555555af35d0) = 20344
[pid 20344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20344] setpgid(0, 0)               = 0
[pid 20344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20344] write(3, "1000", 4)         = 4
[pid 20344] close(3)                    = 0
[pid 20344] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20344] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20344] write(4, "78", 2)           = 2
[pid 20344] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20344] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20344] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20344] exit_group(0)               = ?
[pid 20344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20344, 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 20345 attached
, child_tidptr=0x555555af35d0) = 20345
[pid 20345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20345] setpgid(0, 0)               = 0
[pid 20345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20345] write(3, "1000", 4)         = 4
[pid 20345] close(3)                    = 0
[pid 20345] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20345] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20345] write(4, "78", 2)           = 2
[pid 20345] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20345] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20345] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20345] exit_group(0)               = ?
[pid 20345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20345, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20346 attached
, child_tidptr=0x555555af35d0) = 20346
[pid 20346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20346] setpgid(0, 0)               = 0
[pid 20346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20346] write(3, "1000", 4)         = 4
[pid 20346] close(3)                    = 0
[pid 20346] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20346] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20346] write(4, "78", 2)           = 2
[pid 20346] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20346] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20346] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20346] exit_group(0)               = ?
[pid 20346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20346, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20347 attached
, child_tidptr=0x555555af35d0) = 20347
[pid 20347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20347] setpgid(0, 0)               = 0
[pid 20347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20347] write(3, "1000", 4)         = 4
[pid 20347] close(3)                    = 0
[pid 20347] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20347] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20347] write(4, "78", 2)           = 2
[pid 20347] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20347] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20347] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20347] exit_group(0)               = ?
[pid 20347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20347, 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 20348 attached
, child_tidptr=0x555555af35d0) = 20348
[pid 20348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20348] setpgid(0, 0)               = 0
[pid 20348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20348] write(3, "1000", 4)         = 4
[pid 20348] close(3)                    = 0
[pid 20348] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20348] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20348] write(4, "78", 2)           = 2
[pid 20348] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20348] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20348] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20348] exit_group(0)               = ?
[pid 20348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20348, 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 20349 attached
, child_tidptr=0x555555af35d0) = 20349
[pid 20349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20349] setpgid(0, 0)               = 0
[pid 20349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20349] write(3, "1000", 4)         = 4
[pid 20349] close(3)                    = 0
[pid 20349] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20349] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20349] write(4, "78", 2)           = 2
[pid 20349] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20349] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20349] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20349] exit_group(0)               = ?
[pid 20349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20349, 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=0x555555af35d0) = 20350
./strace-static-x86_64: Process 20350 attached
[pid 20350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20350] setpgid(0, 0)               = 0
[pid 20350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20350] write(3, "1000", 4)         = 4
[pid 20350] close(3)                    = 0
[pid 20350] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20350] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20350] write(4, "78", 2)           = 2
[pid 20350] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20350] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20350] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20350] exit_group(0)               = ?
[pid 20350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20350, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20351 attached
, child_tidptr=0x555555af35d0) = 20351
[pid 20351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20351] setpgid(0, 0)               = 0
[pid 20351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20351] write(3, "1000", 4)         = 4
[pid 20351] close(3)                    = 0
[pid 20351] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20351] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20351] write(4, "78", 2)           = 2
[pid 20351] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20351] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20351] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20351] exit_group(0)               = ?
[pid 20351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20351, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20352 attached
, child_tidptr=0x555555af35d0) = 20352
[pid 20352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20352] setpgid(0, 0)               = 0
[pid 20352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20352] write(3, "1000", 4)         = 4
[pid 20352] close(3)                    = 0
[pid 20352] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20352] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20352] write(4, "78", 2)           = 2
[pid 20352] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20352] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20352] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20352] exit_group(0)               = ?
[pid 20352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20352, 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=0x555555af35d0) = 20353
./strace-static-x86_64: Process 20353 attached
[pid 20353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20353] setpgid(0, 0)               = 0
[pid 20353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20353] write(3, "1000", 4)         = 4
[pid 20353] close(3)                    = 0
[pid 20353] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20353] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20353] write(4, "78", 2)           = 2
[pid 20353] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20353] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20353] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20353] exit_group(0)               = ?
[pid 20353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20353, 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=0x555555af35d0) = 20354
./strace-static-x86_64: Process 20354 attached
[pid 20354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20354] setpgid(0, 0)               = 0
[pid 20354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20354] write(3, "1000", 4)         = 4
[pid 20354] close(3)                    = 0
[pid 20354] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20354] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20354] write(4, "78", 2)           = 2
[pid 20354] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20354] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20354] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20354] exit_group(0)               = ?
[pid 20354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20354, 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 20355 attached
, child_tidptr=0x555555af35d0) = 20355
[pid 20355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20355] setpgid(0, 0)               = 0
[pid 20355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20355] write(3, "1000", 4)         = 4
[pid 20355] close(3)                    = 0
[pid 20355] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20355] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20355] write(4, "78", 2)           = 2
[pid 20355] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20355] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20355] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20355] exit_group(0)               = ?
[pid 20355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20355, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20356
./strace-static-x86_64: Process 20356 attached
[pid 20356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20356] setpgid(0, 0)               = 0
[pid 20356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20356] write(3, "1000", 4)         = 4
[pid 20356] close(3)                    = 0
[pid 20356] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20356] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20356] write(4, "78", 2)           = 2
[pid 20356] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20356] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20356] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20356] exit_group(0)               = ?
[pid 20356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20356, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20357 attached
, child_tidptr=0x555555af35d0) = 20357
[pid 20357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20357] setpgid(0, 0)               = 0
[pid 20357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20357] write(3, "1000", 4)         = 4
[pid 20357] close(3)                    = 0
[pid 20357] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20357] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20357] write(4, "78", 2)           = 2
[pid 20357] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20357] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20357] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20357] exit_group(0)               = ?
[pid 20357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20357, 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 20358 attached
, child_tidptr=0x555555af35d0) = 20358
[pid 20358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20358] setpgid(0, 0)               = 0
[pid 20358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20358] write(3, "1000", 4)         = 4
[pid 20358] close(3)                    = 0
[pid 20358] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20358] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20358] write(4, "78", 2)           = 2
[pid 20358] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20358] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20358] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20358] exit_group(0)               = ?
[pid 20358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20358, 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 20359 attached
, child_tidptr=0x555555af35d0) = 20359
[pid 20359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20359] setpgid(0, 0)               = 0
[pid 20359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20359] write(3, "1000", 4)         = 4
[pid 20359] close(3)                    = 0
[pid 20359] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20359] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20359] write(4, "78", 2)           = 2
[pid 20359] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20359] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20359] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20359] exit_group(0)               = ?
[pid 20359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20359, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20360
./strace-static-x86_64: Process 20360 attached
[pid 20360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20360] setpgid(0, 0)               = 0
[pid 20360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20360] write(3, "1000", 4)         = 4
[pid 20360] close(3)                    = 0
[pid 20360] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20360] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20360] write(4, "78", 2)           = 2
[pid 20360] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20360] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20360] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20360] exit_group(0)               = ?
[pid 20360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20360, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20361 attached
, child_tidptr=0x555555af35d0) = 20361
[pid 20361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20361] setpgid(0, 0)               = 0
[pid 20361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20361] write(3, "1000", 4)         = 4
[pid 20361] close(3)                    = 0
[pid 20361] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20361] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20361] write(4, "78", 2)           = 2
[pid 20361] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20361] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20361] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20361] exit_group(0)               = ?
[pid 20361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20361, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20362
./strace-static-x86_64: Process 20362 attached
[pid 20362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20362] setpgid(0, 0)               = 0
[pid 20362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20362] write(3, "1000", 4)         = 4
[pid 20362] close(3)                    = 0
[pid 20362] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20362] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20362] write(4, "78", 2)           = 2
[pid 20362] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20362] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20362] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20362] exit_group(0)               = ?
[pid 20362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20362, 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=0x555555af35d0) = 20363
./strace-static-x86_64: Process 20363 attached
[pid 20363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20363] setpgid(0, 0)               = 0
[pid 20363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20363] write(3, "1000", 4)         = 4
[pid 20363] close(3)                    = 0
[pid 20363] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20363] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20363] write(4, "78", 2)           = 2
[pid 20363] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20363] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20363] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20363] exit_group(0)               = ?
[pid 20363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20363, 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 20364 attached
, child_tidptr=0x555555af35d0) = 20364
[pid 20364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20364] setpgid(0, 0)               = 0
[pid 20364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20364] write(3, "1000", 4)         = 4
[pid 20364] close(3)                    = 0
[pid 20364] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20364] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20364] write(4, "78", 2)           = 2
[pid 20364] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20364] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20364] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20364] exit_group(0)               = ?
[pid 20364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20364, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20365 attached
, child_tidptr=0x555555af35d0) = 20365
[pid 20365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20365] setpgid(0, 0)               = 0
[pid 20365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20365] write(3, "1000", 4)         = 4
[pid 20365] close(3)                    = 0
[pid 20365] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20365] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20365] write(4, "78", 2)           = 2
[pid 20365] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20365] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20365] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20365] exit_group(0)               = ?
[pid 20365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20365, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20366 attached
, child_tidptr=0x555555af35d0) = 20366
[pid 20366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20366] setpgid(0, 0)               = 0
[pid 20366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20366] write(3, "1000", 4)         = 4
[pid 20366] close(3)                    = 0
[pid 20366] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20366] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20366] write(4, "78", 2)           = 2
[pid 20366] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20366] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20366] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20366] exit_group(0)               = ?
[pid 20366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20366, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20367 attached
, child_tidptr=0x555555af35d0) = 20367
[pid 20367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20367] setpgid(0, 0)               = 0
[pid 20367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20367] write(3, "1000", 4)         = 4
[pid 20367] close(3)                    = 0
[pid 20367] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20367] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20367] write(4, "78", 2)           = 2
[pid 20367] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20367] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20367] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20367] exit_group(0)               = ?
[pid 20367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20367, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20368 attached
, child_tidptr=0x555555af35d0) = 20368
[pid 20368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20368] setpgid(0, 0)               = 0
[pid 20368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20368] write(3, "1000", 4)         = 4
[pid 20368] close(3)                    = 0
[pid 20368] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20368] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20368] write(4, "78", 2)           = 2
[pid 20368] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20368] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20368] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20368] exit_group(0)               = ?
[pid 20368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20368, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20369 attached
, child_tidptr=0x555555af35d0) = 20369
[pid 20369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20369] setpgid(0, 0)               = 0
[pid 20369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20369] write(3, "1000", 4)         = 4
[pid 20369] close(3)                    = 0
[pid 20369] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20369] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20369] write(4, "78", 2)           = 2
[pid 20369] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20369] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20369] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20369] exit_group(0)               = ?
[pid 20369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20369, 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 20370 attached
, child_tidptr=0x555555af35d0) = 20370
[pid 20370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20370] setpgid(0, 0)               = 0
[pid 20370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20370] write(3, "1000", 4)         = 4
[pid 20370] close(3)                    = 0
[pid 20370] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20370] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20370] write(4, "78", 2)           = 2
[pid 20370] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20370] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20370] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20370] exit_group(0)               = ?
[pid 20370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20370, 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 20371 attached
, child_tidptr=0x555555af35d0) = 20371
[pid 20371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20371] setpgid(0, 0)               = 0
[pid 20371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20371] write(3, "1000", 4)         = 4
[pid 20371] close(3)                    = 0
[pid 20371] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20371] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20371] write(4, "78", 2)           = 2
[pid 20371] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20371] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20371] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20371] exit_group(0)               = ?
[pid 20371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20371, 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=0x555555af35d0) = 20372
./strace-static-x86_64: Process 20372 attached
[pid 20372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20372] setpgid(0, 0)               = 0
[pid 20372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20372] write(3, "1000", 4)         = 4
[pid 20372] close(3)                    = 0
[pid 20372] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20372] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20372] write(4, "78", 2)           = 2
[pid 20372] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20372] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20372] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20372] exit_group(0)               = ?
[pid 20372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20372, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20373
./strace-static-x86_64: Process 20373 attached
[pid 20373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20373] setpgid(0, 0)               = 0
[pid 20373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20373] write(3, "1000", 4)         = 4
[pid 20373] close(3)                    = 0
[pid 20373] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20373] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20373] write(4, "78", 2)           = 2
[pid 20373] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20373] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20373] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20373] exit_group(0)               = ?
[pid 20373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20373, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20374 attached
, child_tidptr=0x555555af35d0) = 20374
[pid 20374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20374] setpgid(0, 0)               = 0
[pid 20374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20374] write(3, "1000", 4)         = 4
[pid 20374] close(3)                    = 0
[pid 20374] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20374] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20374] write(4, "78", 2)           = 2
[pid 20374] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20374] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20374] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20374] exit_group(0)               = ?
[pid 20374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20374, 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 20375 attached
, child_tidptr=0x555555af35d0) = 20375
[pid 20375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20375] setpgid(0, 0)               = 0
[pid 20375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20375] write(3, "1000", 4)         = 4
[pid 20375] close(3)                    = 0
[pid 20375] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20375] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20375] write(4, "78", 2)           = 2
[pid 20375] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20375] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20375] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20375] exit_group(0)               = ?
[pid 20375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20375, 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 20376 attached
 <unfinished ...>
[pid 20376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20376] setpgid(0, 0)               = 0
[pid  3600] <... clone resumed>, child_tidptr=0x555555af35d0) = 20376
[pid 20376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20376] write(3, "1000", 4)         = 4
[pid 20376] close(3)                    = 0
[pid 20376] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20376] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20376] write(4, "78", 2)           = 2
[pid 20376] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20376] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20376] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20376] exit_group(0)               = ?
[pid 20376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20376, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20377 attached
, child_tidptr=0x555555af35d0) = 20377
[pid 20377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20377] setpgid(0, 0)               = 0
[pid 20377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20377] write(3, "1000", 4)         = 4
[pid 20377] close(3)                    = 0
[pid 20377] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20377] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20377] write(4, "78", 2)           = 2
[pid 20377] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20377] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20377] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20377] exit_group(0)               = ?
[pid 20377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20377, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20378 attached
, child_tidptr=0x555555af35d0) = 20378
[pid 20378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20378] setpgid(0, 0)               = 0
[pid 20378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20378] write(3, "1000", 4)         = 4
[pid 20378] close(3)                    = 0
[pid 20378] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20378] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20378] write(4, "78", 2)           = 2
[pid 20378] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20378] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20378] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20378] exit_group(0)               = ?
[pid 20378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20378, 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 20379 attached
, child_tidptr=0x555555af35d0) = 20379
[pid 20379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20379] setpgid(0, 0)               = 0
[pid 20379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20379] write(3, "1000", 4)         = 4
[pid 20379] close(3)                    = 0
[pid 20379] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20379] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20379] write(4, "78", 2)           = 2
[pid 20379] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20379] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20379] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20379] exit_group(0)               = ?
[pid 20379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20379, 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 20380 attached
, child_tidptr=0x555555af35d0) = 20380
[pid 20380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20380] setpgid(0, 0)               = 0
[pid 20380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20380] write(3, "1000", 4)         = 4
[pid 20380] close(3)                    = 0
[pid 20380] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20380] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20380] write(4, "78", 2)           = 2
[pid 20380] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20380] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20380] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20380] exit_group(0)               = ?
[pid 20380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20380, 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 20381 attached
, child_tidptr=0x555555af35d0) = 20381
[pid 20381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20381] setpgid(0, 0)               = 0
[pid 20381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20381] write(3, "1000", 4)         = 4
[pid 20381] close(3)                    = 0
[pid 20381] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20381] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20381] write(4, "78", 2)           = 2
[pid 20381] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20381] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20381] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20381] exit_group(0)               = ?
[pid 20381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20381, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20382 attached
, child_tidptr=0x555555af35d0) = 20382
[pid 20382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20382] setpgid(0, 0)               = 0
[pid 20382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20382] write(3, "1000", 4)         = 4
[pid 20382] close(3)                    = 0
[pid 20382] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20382] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20382] write(4, "78", 2)           = 2
[pid 20382] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20382] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20382] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20382] exit_group(0)               = ?
[pid 20382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20382, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20383 attached
, child_tidptr=0x555555af35d0) = 20383
[pid 20383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20383] setpgid(0, 0)               = 0
[pid 20383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20383] write(3, "1000", 4)         = 4
[pid 20383] close(3)                    = 0
[pid 20383] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20383] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20383] write(4, "78", 2)           = 2
[pid 20383] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20383] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20383] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20383] exit_group(0)               = ?
[pid 20383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20383, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20384 attached
, child_tidptr=0x555555af35d0) = 20384
[pid 20384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20384] setpgid(0, 0)               = 0
[pid 20384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20384] write(3, "1000", 4)         = 4
[pid 20384] close(3)                    = 0
[pid 20384] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20384] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20384] write(4, "78", 2)           = 2
[pid 20384] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20384] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20384] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20384] exit_group(0)               = ?
[pid 20384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20384, 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 20385 attached
, child_tidptr=0x555555af35d0) = 20385
[pid 20385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20385] setpgid(0, 0)               = 0
[pid 20385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20385] write(3, "1000", 4)         = 4
[pid 20385] close(3)                    = 0
[pid 20385] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20385] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20385] write(4, "78", 2)           = 2
[pid 20385] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20385] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20385] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20385] exit_group(0)               = ?
[pid 20385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20385, 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 20386 attached
, child_tidptr=0x555555af35d0) = 20386
[pid 20386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20386] setpgid(0, 0)               = 0
[pid 20386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20386] write(3, "1000", 4)         = 4
[pid 20386] close(3)                    = 0
[pid 20386] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20386] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20386] write(4, "78", 2)           = 2
[pid 20386] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20386] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20386] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20386] exit_group(0)               = ?
[pid 20386] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20386, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20387 attached
, child_tidptr=0x555555af35d0) = 20387
[pid 20387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20387] setpgid(0, 0)               = 0
[pid 20387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20387] write(3, "1000", 4)         = 4
[pid 20387] close(3)                    = 0
[pid 20387] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20387] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20387] write(4, "78", 2)           = 2
[pid 20387] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20387] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20387] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20387] exit_group(0)               = ?
[pid 20387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20387, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20388 attached
, child_tidptr=0x555555af35d0) = 20388
[pid 20388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20388] setpgid(0, 0)               = 0
[pid 20388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20388] write(3, "1000", 4)         = 4
[pid 20388] close(3)                    = 0
[pid 20388] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20388] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20388] write(4, "78", 2)           = 2
[pid 20388] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20388] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20388] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20388] exit_group(0)               = ?
[pid 20388] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20388, 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 20389 attached
, child_tidptr=0x555555af35d0) = 20389
[pid 20389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20389] setpgid(0, 0)               = 0
[pid 20389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20389] write(3, "1000", 4)         = 4
[pid 20389] close(3)                    = 0
[pid 20389] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20389] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20389] write(4, "78", 2)           = 2
[pid 20389] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20389] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20389] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20389] exit_group(0)               = ?
[pid 20389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20389, 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 20390 attached
, child_tidptr=0x555555af35d0) = 20390
[pid 20390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20390] setpgid(0, 0)               = 0
[pid 20390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20390] write(3, "1000", 4)         = 4
[pid 20390] close(3)                    = 0
[pid 20390] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20390] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20390] write(4, "78", 2)           = 2
[pid 20390] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20390] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20390] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20390] exit_group(0)               = ?
[pid 20390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20390, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20391 attached
, child_tidptr=0x555555af35d0) = 20391
[pid 20391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20391] setpgid(0, 0)               = 0
[pid 20391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20391] write(3, "1000", 4)         = 4
[pid 20391] close(3)                    = 0
[pid 20391] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20391] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20391] write(4, "78", 2)           = 2
[pid 20391] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20391] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20391] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20391] exit_group(0)               = ?
[pid 20391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20391, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20392
./strace-static-x86_64: Process 20392 attached
[pid 20392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20392] setpgid(0, 0)               = 0
[pid 20392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20392] write(3, "1000", 4)         = 4
[pid 20392] close(3)                    = 0
[pid 20392] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20392] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20392] write(4, "78", 2)           = 2
[pid 20392] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20392] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20392] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20392] exit_group(0)               = ?
[pid 20392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20392, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20393 attached
, child_tidptr=0x555555af35d0) = 20393
[pid 20393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20393] setpgid(0, 0)               = 0
[pid 20393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20393] write(3, "1000", 4)         = 4
[pid 20393] close(3)                    = 0
[pid 20393] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20393] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20393] write(4, "78", 2)           = 2
[pid 20393] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20393] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20393] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20393] exit_group(0)               = ?
[pid 20393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20393, 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=0x555555af35d0) = 20394
./strace-static-x86_64: Process 20394 attached
[pid 20394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20394] setpgid(0, 0)               = 0
[pid 20394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20394] write(3, "1000", 4)         = 4
[pid 20394] close(3)                    = 0
[pid 20394] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20394] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20394] write(4, "78", 2)           = 2
[pid 20394] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20394] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20394] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20394] exit_group(0)               = ?
[pid 20394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20394, 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 20395 attached
, child_tidptr=0x555555af35d0) = 20395
[pid 20395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20395] setpgid(0, 0)               = 0
[pid 20395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20395] write(3, "1000", 4)         = 4
[pid 20395] close(3)                    = 0
[pid 20395] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20395] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20395] write(4, "78", 2)           = 2
[pid 20395] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20395] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20395] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20395] exit_group(0)               = ?
[pid 20395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20395, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20396
./strace-static-x86_64: Process 20396 attached
[pid 20396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20396] setpgid(0, 0)               = 0
[pid 20396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20396] write(3, "1000", 4)         = 4
[pid 20396] close(3)                    = 0
[pid 20396] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20396] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20396] write(4, "78", 2)           = 2
[pid 20396] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20396] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20396] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20396] exit_group(0)               = ?
[pid 20396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20396, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20397 attached
, child_tidptr=0x555555af35d0) = 20397
[pid 20397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20397] setpgid(0, 0)               = 0
[pid 20397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20397] write(3, "1000", 4)         = 4
[pid 20397] close(3)                    = 0
[pid 20397] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20397] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20397] write(4, "78", 2)           = 2
[pid 20397] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20397] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20397] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20397] exit_group(0)               = ?
[pid 20397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20397, 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=0x555555af35d0) = 20398
./strace-static-x86_64: Process 20398 attached
[pid 20398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20398] setpgid(0, 0)               = 0
[pid 20398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20398] write(3, "1000", 4)         = 4
[pid 20398] close(3)                    = 0
[pid 20398] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20398] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20398] write(4, "78", 2)           = 2
[pid 20398] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20398] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20398] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20398] exit_group(0)               = ?
[pid 20398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20398, 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=0x555555af35d0) = 20399
./strace-static-x86_64: Process 20399 attached
[pid 20399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20399] setpgid(0, 0)               = 0
[pid 20399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20399] write(3, "1000", 4)         = 4
[pid 20399] close(3)                    = 0
[pid 20399] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20399] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20399] write(4, "78", 2)           = 2
[pid 20399] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20399] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20399] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20399] exit_group(0)               = ?
[pid 20399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20399, si_uid=0, si_status=0, si_utime=1, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20400
./strace-static-x86_64: Process 20400 attached
[pid 20400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20400] setpgid(0, 0)               = 0
[pid 20400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20400] write(3, "1000", 4)         = 4
[pid 20400] close(3)                    = 0
[pid 20400] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20400] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20400] write(4, "78", 2)           = 2
[pid 20400] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20400] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20400] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20400] exit_group(0)               = ?
[pid 20400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20400, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20401 attached
, child_tidptr=0x555555af35d0) = 20401
[pid 20401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20401] setpgid(0, 0)               = 0
[pid 20401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20401] write(3, "1000", 4)         = 4
[pid 20401] close(3)                    = 0
[pid 20401] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20401] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20401] write(4, "78", 2)           = 2
[pid 20401] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20401] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20401] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20401] exit_group(0)               = ?
[pid 20401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20401, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20402 attached
, child_tidptr=0x555555af35d0) = 20402
[pid 20402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20402] setpgid(0, 0)               = 0
[pid 20402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20402] write(3, "1000", 4)         = 4
[pid 20402] close(3)                    = 0
[pid 20402] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20402] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20402] write(4, "78", 2)           = 2
[pid 20402] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20402] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20402] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20402] exit_group(0)               = ?
[pid 20402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20402, 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 20403 attached
, child_tidptr=0x555555af35d0) = 20403
[pid 20403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20403] setpgid(0, 0)               = 0
[pid 20403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20403] write(3, "1000", 4)         = 4
[pid 20403] close(3)                    = 0
[pid 20403] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20403] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20403] write(4, "78", 2)           = 2
[pid 20403] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20403] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20403] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20403] exit_group(0)               = ?
[pid 20403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20403, 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 20404 attached
, child_tidptr=0x555555af35d0) = 20404
[pid 20404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20404] setpgid(0, 0)               = 0
[pid 20404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20404] write(3, "1000", 4)         = 4
[pid 20404] close(3)                    = 0
[pid 20404] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20404] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20404] write(4, "78", 2)           = 2
[pid 20404] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20404] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20404] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20404] exit_group(0)               = ?
[pid 20404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20404, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20405 attached
, child_tidptr=0x555555af35d0) = 20405
[pid 20405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20405] setpgid(0, 0)               = 0
[pid 20405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20405] write(3, "1000", 4)         = 4
[pid 20405] close(3)                    = 0
[pid 20405] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20405] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20405] write(4, "78", 2)           = 2
[pid 20405] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20405] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20405] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20405] exit_group(0)               = ?
[pid 20405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20405, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20406 attached
, child_tidptr=0x555555af35d0) = 20406
[pid 20406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20406] setpgid(0, 0)               = 0
[pid 20406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20406] write(3, "1000", 4)         = 4
[pid 20406] close(3)                    = 0
[pid 20406] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20406] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20406] write(4, "78", 2)           = 2
[pid 20406] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20406] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20406] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20406] exit_group(0)               = ?
[pid 20406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20406, 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=0x555555af35d0) = 20407
./strace-static-x86_64: Process 20407 attached
[pid 20407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20407] setpgid(0, 0)               = 0
[pid 20407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20407] write(3, "1000", 4)         = 4
[pid 20407] close(3)                    = 0
[pid 20407] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20407] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20407] write(4, "78", 2)           = 2
[pid 20407] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20407] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20407] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20407] exit_group(0)               = ?
[pid 20407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20407, 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 20408 attached
, child_tidptr=0x555555af35d0) = 20408
[pid 20408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20408] setpgid(0, 0)               = 0
[pid 20408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20408] write(3, "1000", 4)         = 4
[pid 20408] close(3)                    = 0
[pid 20408] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20408] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20408] write(4, "78", 2)           = 2
[pid 20408] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20408] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20408] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20408] exit_group(0)               = ?
[pid 20408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20408, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20409 attached
, child_tidptr=0x555555af35d0) = 20409
[pid 20409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20409] setpgid(0, 0)               = 0
[pid 20409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20409] write(3, "1000", 4)         = 4
[pid 20409] close(3)                    = 0
[pid 20409] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20409] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20409] write(4, "78", 2)           = 2
[pid 20409] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20409] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20409] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20409] exit_group(0)               = ?
[pid 20409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20409, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20410
./strace-static-x86_64: Process 20410 attached
[pid 20410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20410] setpgid(0, 0)               = 0
[pid 20410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20410] write(3, "1000", 4)         = 4
[pid 20410] close(3)                    = 0
[pid 20410] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20410] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20410] write(4, "78", 2)           = 2
[pid 20410] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20410] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20410] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20410] exit_group(0)               = ?
[pid 20410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20410, 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=0x555555af35d0) = 20411
./strace-static-x86_64: Process 20411 attached
[pid 20411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20411] setpgid(0, 0)               = 0
[pid 20411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20411] write(3, "1000", 4)         = 4
[pid 20411] close(3)                    = 0
[pid 20411] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20411] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20411] write(4, "78", 2)           = 2
[pid 20411] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20411] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20411] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20411] exit_group(0)               = ?
[pid 20411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20411, 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 20412 attached
, child_tidptr=0x555555af35d0) = 20412
[pid 20412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20412] setpgid(0, 0)               = 0
[pid 20412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20412] write(3, "1000", 4)         = 4
[pid 20412] close(3)                    = 0
[pid 20412] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20412] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20412] write(4, "78", 2)           = 2
[pid 20412] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20412] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20412] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20412] exit_group(0)               = ?
[pid 20412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20412, 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 20413 attached
, child_tidptr=0x555555af35d0) = 20413
[pid 20413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20413] setpgid(0, 0)               = 0
[pid 20413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20413] write(3, "1000", 4)         = 4
[pid 20413] close(3)                    = 0
[pid 20413] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20413] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20413] write(4, "78", 2)           = 2
[pid 20413] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20413] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20413] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20413] exit_group(0)               = ?
[pid 20413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20413, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20414 attached
, child_tidptr=0x555555af35d0) = 20414
[pid 20414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20414] setpgid(0, 0)               = 0
[pid 20414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20414] write(3, "1000", 4)         = 4
[pid 20414] close(3)                    = 0
[pid 20414] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20414] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20414] write(4, "78", 2)           = 2
[pid 20414] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20414] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20414] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20414] exit_group(0)               = ?
[pid 20414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20414, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20415 attached
, child_tidptr=0x555555af35d0) = 20415
[pid 20415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20415] setpgid(0, 0)               = 0
[pid 20415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20415] write(3, "1000", 4)         = 4
[pid 20415] close(3)                    = 0
[pid 20415] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20415] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20415] write(4, "78", 2)           = 2
[pid 20415] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20415] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20415] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20415] exit_group(0)               = ?
[pid 20415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20415, 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=0x555555af35d0) = 20416
./strace-static-x86_64: Process 20416 attached
[pid 20416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20416] setpgid(0, 0)               = 0
[pid 20416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20416] write(3, "1000", 4)         = 4
[pid 20416] close(3)                    = 0
[pid 20416] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20416] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20416] write(4, "78", 2)           = 2
[pid 20416] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20416] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20416] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20416] exit_group(0)               = ?
[pid 20416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20416, 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=0x555555af35d0) = 20417
./strace-static-x86_64: Process 20417 attached
[pid 20417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20417] setpgid(0, 0)               = 0
[pid 20417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20417] write(3, "1000", 4)         = 4
[pid 20417] close(3)                    = 0
[pid 20417] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20417] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20417] write(4, "78", 2)           = 2
[pid 20417] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20417] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20417] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20417] exit_group(0)               = ?
[pid 20417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20417, 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=0x555555af35d0) = 20418
./strace-static-x86_64: Process 20418 attached
[pid 20418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20418] setpgid(0, 0)               = 0
[pid 20418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20418] write(3, "1000", 4)         = 4
[pid 20418] close(3)                    = 0
[pid 20418] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20418] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20418] write(4, "78", 2)           = 2
[pid 20418] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20418] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20418] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20418] exit_group(0)               = ?
[pid 20418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20418, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20419
./strace-static-x86_64: Process 20419 attached
[pid 20419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20419] setpgid(0, 0)               = 0
[pid 20419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20419] write(3, "1000", 4)         = 4
[pid 20419] close(3)                    = 0
[pid 20419] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20419] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20419] write(4, "78", 2)           = 2
[pid 20419] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20419] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20419] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20419] exit_group(0)               = ?
[pid 20419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20419, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20420
./strace-static-x86_64: Process 20420 attached
[pid 20420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20420] setpgid(0, 0)               = 0
[pid 20420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20420] write(3, "1000", 4)         = 4
[pid 20420] close(3)                    = 0
[pid 20420] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20420] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20420] write(4, "78", 2)           = 2
[pid 20420] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20420] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20420] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20420] exit_group(0)               = ?
[pid 20420] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20420, 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=0x555555af35d0) = 20421
./strace-static-x86_64: Process 20421 attached
[pid 20421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20421] setpgid(0, 0)               = 0
[pid 20421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20421] write(3, "1000", 4)         = 4
[pid 20421] close(3)                    = 0
[pid 20421] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20421] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20421] write(4, "78", 2)           = 2
[pid 20421] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20421] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20421] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20421] exit_group(0)               = ?
[pid 20421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20421, 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 20422 attached
, child_tidptr=0x555555af35d0) = 20422
[pid 20422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20422] setpgid(0, 0)               = 0
[pid 20422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20422] write(3, "1000", 4)         = 4
[pid 20422] close(3)                    = 0
[pid 20422] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20422] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20422] write(4, "78", 2)           = 2
[pid 20422] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20422] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20422] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20422] exit_group(0)               = ?
[pid 20422] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20422, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20423 attached
, child_tidptr=0x555555af35d0) = 20423
[pid 20423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20423] setpgid(0, 0)               = 0
[pid 20423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20423] write(3, "1000", 4)         = 4
[pid 20423] close(3)                    = 0
[pid 20423] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20423] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20423] write(4, "78", 2)           = 2
[pid 20423] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20423] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20423] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20423] exit_group(0)               = ?
[pid 20423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20423, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20424 attached
, child_tidptr=0x555555af35d0) = 20424
[pid 20424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20424] setpgid(0, 0)               = 0
[pid 20424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20424] write(3, "1000", 4)         = 4
[pid 20424] close(3)                    = 0
[pid 20424] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20424] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20424] write(4, "78", 2)           = 2
[pid 20424] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20424] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20424] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20424] exit_group(0)               = ?
[pid 20424] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20424, 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 20425 attached
, child_tidptr=0x555555af35d0) = 20425
[pid 20425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20425] setpgid(0, 0)               = 0
[pid 20425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20425] write(3, "1000", 4)         = 4
[pid 20425] close(3)                    = 0
[pid 20425] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20425] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20425] write(4, "78", 2)           = 2
[pid 20425] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20425] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20425] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20425] exit_group(0)               = ?
[pid 20425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20425, 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=0x555555af35d0) = 20426
./strace-static-x86_64: Process 20426 attached
[pid 20426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20426] setpgid(0, 0)               = 0
[pid 20426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20426] write(3, "1000", 4)         = 4
[pid 20426] close(3)                    = 0
[pid 20426] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20426] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20426] write(4, "78", 2)           = 2
[pid 20426] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20426] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20426] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20426] exit_group(0)               = ?
[pid 20426] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20426, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20427
./strace-static-x86_64: Process 20427 attached
[pid 20427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20427] setpgid(0, 0)               = 0
[pid 20427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20427] write(3, "1000", 4)         = 4
[pid 20427] close(3)                    = 0
[pid 20427] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20427] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20427] write(4, "78", 2)           = 2
[pid 20427] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20427] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20427] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20427] exit_group(0)               = ?
[pid 20427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20427, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20428
./strace-static-x86_64: Process 20428 attached
[pid 20428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20428] setpgid(0, 0)               = 0
[pid 20428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20428] write(3, "1000", 4)         = 4
[pid 20428] close(3)                    = 0
[pid 20428] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20428] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20428] write(4, "78", 2)           = 2
[pid 20428] ioctl(3, LOOP_CTL_ADD, 12)  = 12
[pid 20428] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20428] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 EBUSY (Device or resource busy)
[pid 20428] exit_group(0)               = ?
[pid 20428] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20428, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20429 attached
, child_tidptr=0x555555af35d0) = 20429
[pid 20429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20429] setpgid(0, 0)               = 0
[pid 20429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20429] write(3, "1000", 4)         = 4
[pid 20429] close(3)                    = 0
[pid 20429] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20429] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20429] write(4, "78", 2)           = 2
[pid 20429] ioctl(3, LOOP_CTL_ADD, 12)  = -1 EEXIST (File exists)
[pid 20429] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20429] ioctl(5, LOOP_CTL_REMOVE, 12) = 0
[pid 20429] exit_group(0)               = ?
[pid 20429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20429, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20430
./strace-static-x86_64: Process 20430 attached
[pid 20430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20430] setpgid(0, 0)               = 0
[pid 20430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20430] write(3, "1000", 4)         = 4
[pid 20430] close(3)                    = 0
[pid 20430] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20430] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20430] write(4, "78", 2)           = 2
[pid 20430] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20430] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20430] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20430] exit_group(0)               = ?
[pid 20430] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20430, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20431 attached
, child_tidptr=0x555555af35d0) = 20431
[pid 20431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20431] setpgid(0, 0)               = 0
[pid 20431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20431] write(3, "1000", 4)         = 4
[pid 20431] close(3)                    = 0
[pid 20431] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20431] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20431] write(4, "78", 2)           = 2
[pid 20431] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20431] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20431] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20431] exit_group(0)               = ?
[pid 20431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20431, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20432
./strace-static-x86_64: Process 20432 attached
[pid 20432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20432] setpgid(0, 0)               = 0
[pid 20432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20432] write(3, "1000", 4)         = 4
[pid 20432] close(3)                    = 0
[pid 20432] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20432] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20432] write(4, "78", 2)           = 2
[pid 20432] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20432] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20432] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20432] exit_group(0)               = ?
[pid 20432] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20432, 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=0x555555af35d0) = 20433
./strace-static-x86_64: Process 20433 attached
[pid 20433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20433] setpgid(0, 0)               = 0
[pid 20433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20433] write(3, "1000", 4)         = 4
[pid 20433] close(3)                    = 0
[pid 20433] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20433] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20433] write(4, "78", 2)           = 2
[pid 20433] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20433] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20433] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20433] exit_group(0)               = ?
[pid 20433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20433, 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=0x555555af35d0) = 20434
./strace-static-x86_64: Process 20434 attached
[pid 20434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20434] setpgid(0, 0)               = 0
[pid 20434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20434] write(3, "1000", 4)         = 4
[pid 20434] close(3)                    = 0
[pid 20434] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20434] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20434] write(4, "78", 2)           = 2
[pid 20434] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20434] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20434] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20434] exit_group(0)               = ?
[pid 20434] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20434, 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 20435 attached
, child_tidptr=0x555555af35d0) = 20435
[pid 20435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20435] setpgid(0, 0)               = 0
[pid 20435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20435] write(3, "1000", 4)         = 4
[pid 20435] close(3)                    = 0
[pid 20435] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20435] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20435] write(4, "78", 2)           = 2
[pid 20435] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20435] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20435] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20435] exit_group(0)               = ?
[pid 20435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20435, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20436 attached
, child_tidptr=0x555555af35d0) = 20436
[pid 20436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20436] setpgid(0, 0)               = 0
[pid 20436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20436] write(3, "1000", 4)         = 4
[pid 20436] close(3)                    = 0
[pid 20436] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20436] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20436] write(4, "78", 2)           = 2
[pid 20436] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20436] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20436] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20436] exit_group(0)               = ?
[pid 20436] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20436, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20437
./strace-static-x86_64: Process 20437 attached
[pid 20437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20437] setpgid(0, 0)               = 0
[pid 20437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20437] write(3, "1000", 4)         = 4
[pid 20437] close(3)                    = 0
[pid 20437] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20437] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20437] write(4, "78", 2)           = 2
[pid 20437] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20437] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20437] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20437] exit_group(0)               = ?
[pid 20437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20437, 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=0x555555af35d0) = 20438
./strace-static-x86_64: Process 20438 attached
[pid 20438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20438] setpgid(0, 0)               = 0
[pid 20438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20438] write(3, "1000", 4)         = 4
[pid 20438] close(3)                    = 0
[pid 20438] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20438] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20438] write(4, "78", 2)           = 2
[pid 20438] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20438] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20438] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20438] exit_group(0)               = ?
[pid 20438] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20438, 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 20439 attached
, child_tidptr=0x555555af35d0) = 20439
[pid 20439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20439] setpgid(0, 0)               = 0
[pid 20439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20439] write(3, "1000", 4)         = 4
[pid 20439] close(3)                    = 0
[pid 20439] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20439] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20439] write(4, "78", 2)           = 2
[pid 20439] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20439] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20439] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20439] exit_group(0)               = ?
[pid 20439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20439, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20440 attached
, child_tidptr=0x555555af35d0) = 20440
[pid 20440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20440] setpgid(0, 0)               = 0
[pid 20440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20440] write(3, "1000", 4)         = 4
[pid 20440] close(3)                    = 0
[pid 20440] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20440] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20440] write(4, "78", 2)           = 2
[pid 20440] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20440] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20440] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20440] exit_group(0)               = ?
[pid 20440] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20440, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20441 attached
, child_tidptr=0x555555af35d0) = 20441
[pid 20441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20441] setpgid(0, 0)               = 0
[pid 20441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20441] write(3, "1000", 4)         = 4
[pid 20441] close(3)                    = 0
[pid 20441] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20441] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20441] write(4, "78", 2)           = 2
[pid 20441] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20441] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20441] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20441] exit_group(0)               = ?
[pid 20441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20441, 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 20442 attached
, child_tidptr=0x555555af35d0) = 20442
[pid 20442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20442] setpgid(0, 0)               = 0
[pid 20442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20442] write(3, "1000", 4)         = 4
[pid 20442] close(3)                    = 0
[pid 20442] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20442] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20442] write(4, "78", 2)           = 2
[pid 20442] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20442] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20442] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20442] exit_group(0)               = ?
[pid 20442] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20442, 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 20443 attached
, child_tidptr=0x555555af35d0) = 20443
[pid 20443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20443] setpgid(0, 0)               = 0
[pid 20443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20443] write(3, "1000", 4)         = 4
[pid 20443] close(3)                    = 0
[pid 20443] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20443] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20443] write(4, "78", 2)           = 2
[pid 20443] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20443] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20443] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20443] exit_group(0)               = ?
[pid 20443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20443, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20444 attached
, child_tidptr=0x555555af35d0) = 20444
[pid 20444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20444] setpgid(0, 0)               = 0
[pid 20444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20444] write(3, "1000", 4)         = 4
[pid 20444] close(3)                    = 0
[pid 20444] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20444] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20444] write(4, "78", 2)           = 2
[pid 20444] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20444] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20444] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20444] exit_group(0)               = ?
[pid 20444] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20444, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20445 attached
, child_tidptr=0x555555af35d0) = 20445
[pid 20445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20445] setpgid(0, 0)               = 0
[pid 20445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20445] write(3, "1000", 4)         = 4
[pid 20445] close(3)                    = 0
[pid 20445] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20445] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20445] write(4, "78", 2)           = 2
[pid 20445] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20445] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20445] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20445] exit_group(0)               = ?
[pid 20445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20445, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20446 attached
, child_tidptr=0x555555af35d0) = 20446
[pid 20446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20446] setpgid(0, 0)               = 0
[pid 20446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20446] write(3, "1000", 4)         = 4
[pid 20446] close(3)                    = 0
[pid 20446] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20446] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20446] write(4, "78", 2)           = 2
[pid 20446] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20446] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20446] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20446] exit_group(0)               = ?
[pid 20446] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20446, 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=0x555555af35d0) = 20447
./strace-static-x86_64: Process 20447 attached
[pid 20447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20447] setpgid(0, 0)               = 0
[pid 20447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20447] write(3, "1000", 4)         = 4
[pid 20447] close(3)                    = 0
[pid 20447] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20447] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20447] write(4, "78", 2)           = 2
[pid 20447] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20447] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20447] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20447] exit_group(0)               = ?
[pid 20447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20447, 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 20448 attached
, child_tidptr=0x555555af35d0) = 20448
[pid 20448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20448] setpgid(0, 0)               = 0
[pid 20448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20448] write(3, "1000", 4)         = 4
[pid 20448] close(3)                    = 0
[pid 20448] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20448] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20448] write(4, "78", 2)           = 2
[pid 20448] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20448] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20448] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20448] exit_group(0)               = ?
[pid 20448] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20448, 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 20449 attached
, child_tidptr=0x555555af35d0) = 20449
[pid 20449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20449] setpgid(0, 0)               = 0
[pid 20449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20449] write(3, "1000", 4)         = 4
[pid 20449] close(3)                    = 0
[pid 20449] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20449] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20449] write(4, "78", 2)           = 2
[pid 20449] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20449] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20449] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20449] exit_group(0)               = ?
[pid 20449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20449, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20450 attached
, child_tidptr=0x555555af35d0) = 20450
[pid 20450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20450] setpgid(0, 0)               = 0
[pid 20450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20450] write(3, "1000", 4)         = 4
[pid 20450] close(3)                    = 0
[pid 20450] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20450] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20450] write(4, "78", 2)           = 2
[pid 20450] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20450] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20450] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20450] exit_group(0)               = ?
[pid 20450] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20450, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20451 attached
, child_tidptr=0x555555af35d0) = 20451
[pid 20451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20451] setpgid(0, 0)               = 0
[pid 20451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20451] write(3, "1000", 4)         = 4
[pid 20451] close(3)                    = 0
[pid 20451] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20451] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20451] write(4, "78", 2)           = 2
[pid 20451] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20451] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20451] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20451] exit_group(0)               = ?
[pid 20451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20451, 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 20452 attached
, child_tidptr=0x555555af35d0) = 20452
[pid 20452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20452] setpgid(0, 0)               = 0
[pid 20452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20452] write(3, "1000", 4)         = 4
[pid 20452] close(3)                    = 0
[pid 20452] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20452] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20452] write(4, "78", 2)           = 2
[pid 20452] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20452] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20452] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20452] exit_group(0)               = ?
[pid 20452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20452, 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 20453 attached
, child_tidptr=0x555555af35d0) = 20453
[pid 20453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20453] setpgid(0, 0)               = 0
[pid 20453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20453] write(3, "1000", 4)         = 4
[pid 20453] close(3)                    = 0
[pid 20453] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20453] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20453] write(4, "78", 2)           = 2
[pid 20453] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20453] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20453] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20453] exit_group(0)               = ?
[pid 20453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20453, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20454 attached
, child_tidptr=0x555555af35d0) = 20454
[pid 20454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20454] setpgid(0, 0)               = 0
[pid 20454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20454] write(3, "1000", 4)         = 4
[pid 20454] close(3)                    = 0
[pid 20454] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20454] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20454] write(4, "78", 2)           = 2
[pid 20454] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20454] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20454] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20454] exit_group(0)               = ?
[pid 20454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20454, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20455 attached
, child_tidptr=0x555555af35d0) = 20455
[pid 20455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20455] setpgid(0, 0)               = 0
[pid 20455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20455] write(3, "1000", 4)         = 4
[pid 20455] close(3)                    = 0
[pid 20455] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20455] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20455] write(4, "78", 2)           = 2
[pid 20455] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20455] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20455] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20455] exit_group(0)               = ?
[pid 20455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20455, 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 20456 attached
, child_tidptr=0x555555af35d0) = 20456
[pid 20456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20456] setpgid(0, 0)               = 0
[pid 20456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20456] write(3, "1000", 4)         = 4
[pid 20456] close(3)                    = 0
[pid 20456] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20456] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20456] write(4, "78", 2)           = 2
[pid 20456] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20456] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20456] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20456] exit_group(0)               = ?
[pid 20456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20456, 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 20457 attached
, child_tidptr=0x555555af35d0) = 20457
[pid 20457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20457] setpgid(0, 0)               = 0
[pid 20457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20457] write(3, "1000", 4)         = 4
[pid 20457] close(3)                    = 0
[pid 20457] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20457] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20457] write(4, "78", 2)           = 2
[pid 20457] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20457] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20457] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20457] exit_group(0)               = ?
[pid 20457] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20457, 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 20458 attached
, child_tidptr=0x555555af35d0) = 20458
[pid 20458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20458] setpgid(0, 0)               = 0
[pid 20458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20458] write(3, "1000", 4)         = 4
[pid 20458] close(3)                    = 0
[pid 20458] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20458] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20458] write(4, "78", 2)           = 2
[pid 20458] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20458] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20458] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20458] exit_group(0)               = ?
[pid 20458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20458, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20459 attached
, child_tidptr=0x555555af35d0) = 20459
[pid 20459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20459] setpgid(0, 0)               = 0
[pid 20459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20459] write(3, "1000", 4)         = 4
[pid 20459] close(3)                    = 0
[pid 20459] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20459] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20459] write(4, "78", 2)           = 2
[pid 20459] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20459] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20459] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20459] exit_group(0)               = ?
[pid 20459] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20459, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20460 attached
, child_tidptr=0x555555af35d0) = 20460
[pid 20460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20460] setpgid(0, 0)               = 0
[pid 20460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20460] write(3, "1000", 4)         = 4
[pid 20460] close(3)                    = 0
[pid 20460] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20460] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20460] write(4, "78", 2)           = 2
[pid 20460] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20460] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20460] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20460] exit_group(0)               = ?
[pid 20460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20460, 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 20461 attached
, child_tidptr=0x555555af35d0) = 20461
[pid 20461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20461] setpgid(0, 0)               = 0
[pid 20461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20461] write(3, "1000", 4)         = 4
[pid 20461] close(3)                    = 0
[pid 20461] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20461] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20461] write(4, "78", 2)           = 2
[pid 20461] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20461] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20461] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20461] exit_group(0)               = ?
[pid 20461] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20461, 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=0x555555af35d0) = 20462
./strace-static-x86_64: Process 20462 attached
[pid 20462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20462] setpgid(0, 0)               = 0
[pid 20462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20462] write(3, "1000", 4)         = 4
[pid 20462] close(3)                    = 0
[pid 20462] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20462] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20462] write(4, "78", 2)           = 2
[pid 20462] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20462] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20462] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20462] exit_group(0)               = ?
[pid 20462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20462, 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 20463 attached
, child_tidptr=0x555555af35d0) = 20463
[pid 20463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20463] setpgid(0, 0)               = 0
[pid 20463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20463] write(3, "1000", 4)         = 4
[pid 20463] close(3)                    = 0
[pid 20463] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20463] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20463] write(4, "78", 2)           = 2
[pid 20463] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20463] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20463] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20463] exit_group(0)               = ?
[pid 20463] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20463, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20464 attached
, child_tidptr=0x555555af35d0) = 20464
[pid 20464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20464] setpgid(0, 0)               = 0
[pid 20464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20464] write(3, "1000", 4)         = 4
[pid 20464] close(3)                    = 0
[pid 20464] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20464] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20464] write(4, "78", 2)           = 2
[pid 20464] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20464] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20464] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20464] exit_group(0)               = ?
[pid 20464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20464, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20465 attached
, child_tidptr=0x555555af35d0) = 20465
[pid 20465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20465] setpgid(0, 0)               = 0
[pid 20465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20465] write(3, "1000", 4)         = 4
[pid 20465] close(3)                    = 0
[pid 20465] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20465] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20465] write(4, "78", 2)           = 2
[pid 20465] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20465] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20465] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20465] exit_group(0)               = ?
[pid 20465] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20465, 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=0x555555af35d0) = 20466
./strace-static-x86_64: Process 20466 attached
[pid 20466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20466] setpgid(0, 0)               = 0
[pid 20466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20466] write(3, "1000", 4)         = 4
[pid 20466] close(3)                    = 0
[pid 20466] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20466] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20466] write(4, "78", 2)           = 2
[pid 20466] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20466] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20466] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20466] exit_group(0)               = ?
[pid 20466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20466, 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 20467 attached
, child_tidptr=0x555555af35d0) = 20467
[pid 20467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20467] setpgid(0, 0)               = 0
[pid 20467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20467] write(3, "1000", 4)         = 4
[pid 20467] close(3)                    = 0
[pid 20467] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20467] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20467] write(4, "78", 2)           = 2
[pid 20467] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20467] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20467] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20467] exit_group(0)               = ?
[pid 20467] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20467, 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=0x555555af35d0) = 20468
./strace-static-x86_64: Process 20468 attached
[pid 20468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20468] setpgid(0, 0)               = 0
[pid 20468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20468] write(3, "1000", 4)         = 4
[pid 20468] close(3)                    = 0
[pid 20468] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20468] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20468] write(4, "78", 2)           = 2
[pid 20468] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20468] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20468] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20468] exit_group(0)               = ?
[pid 20468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20468, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20469 attached
, child_tidptr=0x555555af35d0) = 20469
[pid 20469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20469] setpgid(0, 0)               = 0
[pid 20469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20469] write(3, "1000", 4)         = 4
[pid 20469] close(3)                    = 0
[pid 20469] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20469] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20469] write(4, "78", 2)           = 2
[pid 20469] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20469] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20469] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20469] exit_group(0)               = ?
[pid 20469] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20469, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20470 attached
, child_tidptr=0x555555af35d0) = 20470
[pid 20470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20470] setpgid(0, 0)               = 0
[pid 20470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20470] write(3, "1000", 4)         = 4
[pid 20470] close(3)                    = 0
[pid 20470] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20470] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20470] write(4, "78", 2)           = 2
[pid 20470] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20470] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20470] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20470] exit_group(0)               = ?
[pid 20470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20470, 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 20471 attached
, child_tidptr=0x555555af35d0) = 20471
[pid 20471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20471] setpgid(0, 0)               = 0
[pid 20471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20471] write(3, "1000", 4)         = 4
[pid 20471] close(3)                    = 0
[pid 20471] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20471] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20471] write(4, "78", 2)           = 2
[pid 20471] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20471] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20471] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20471] exit_group(0)               = ?
[pid 20471] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20471, 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 20472 attached
, child_tidptr=0x555555af35d0) = 20472
[pid 20472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20472] setpgid(0, 0)               = 0
[pid 20472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20472] write(3, "1000", 4)         = 4
[pid 20472] close(3)                    = 0
[pid 20472] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20472] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20472] write(4, "78", 2)           = 2
[pid 20472] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20472] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20472] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20472] exit_group(0)               = ?
[pid 20472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20472, 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 20473 attached
, child_tidptr=0x555555af35d0) = 20473
[pid 20473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20473] setpgid(0, 0)               = 0
[pid 20473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20473] write(3, "1000", 4)         = 4
[pid 20473] close(3)                    = 0
[pid 20473] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20473] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20473] write(4, "78", 2)           = 2
[pid 20473] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20473] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20473] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20473] exit_group(0)               = ?
[pid 20473] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20473, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20474 attached
, child_tidptr=0x555555af35d0) = 20474
[pid 20474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20474] setpgid(0, 0)               = 0
[pid 20474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20474] write(3, "1000", 4)         = 4
[pid 20474] close(3)                    = 0
[pid 20474] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20474] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20474] write(4, "78", 2)           = 2
[pid 20474] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20474] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20474] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20474] exit_group(0)               = ?
[pid 20474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20474, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20475 attached
, child_tidptr=0x555555af35d0) = 20475
[pid 20475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20475] setpgid(0, 0)               = 0
[pid 20475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20475] write(3, "1000", 4)         = 4
[pid 20475] close(3)                    = 0
[pid 20475] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20475] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20475] write(4, "78", 2)           = 2
[pid 20475] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20475] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20475] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20475] exit_group(0)               = ?
[pid 20475] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20475, 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 20476 attached
, child_tidptr=0x555555af35d0) = 20476
[pid 20476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20476] setpgid(0, 0)               = 0
[pid 20476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20476] write(3, "1000", 4)         = 4
[pid 20476] close(3)                    = 0
[pid 20476] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20476] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20476] write(4, "78", 2)           = 2
[pid 20476] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20476] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20476] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20476] exit_group(0)               = ?
[pid 20476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20476, 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 20477 attached
, child_tidptr=0x555555af35d0) = 20477
[pid 20477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20477] setpgid(0, 0)               = 0
[pid 20477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20477] write(3, "1000", 4)         = 4
[pid 20477] close(3)                    = 0
[pid 20477] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20477] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20477] write(4, "78", 2)           = 2
[pid 20477] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20477] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20477] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20477] exit_group(0)               = ?
[pid 20477] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20477, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20478 attached
, child_tidptr=0x555555af35d0) = 20478
[pid 20478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20478] setpgid(0, 0)               = 0
[pid 20478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20478] write(3, "1000", 4)         = 4
[pid 20478] close(3)                    = 0
[pid 20478] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20478] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20478] write(4, "78", 2)           = 2
[pid 20478] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20478] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20478] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20478] exit_group(0)               = ?
[pid 20478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20478, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20479
./strace-static-x86_64: Process 20479 attached
[pid 20479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20479] setpgid(0, 0)               = 0
[pid 20479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20479] write(3, "1000", 4)         = 4
[pid 20479] close(3)                    = 0
[pid 20479] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20479] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20479] write(4, "78", 2)           = 2
[pid 20479] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20479] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20479] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20479] exit_group(0)               = ?
[pid 20479] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20479, 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 20480 attached
, child_tidptr=0x555555af35d0) = 20480
[pid 20480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20480] setpgid(0, 0)               = 0
[pid 20480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20480] write(3, "1000", 4)         = 4
[pid 20480] close(3)                    = 0
[pid 20480] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20480] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20480] write(4, "78", 2)           = 2
[pid 20480] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20480] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20480] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20480] exit_group(0)               = ?
[pid 20480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20480, 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 20481 attached
, child_tidptr=0x555555af35d0) = 20481
[pid 20481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20481] setpgid(0, 0)               = 0
[pid 20481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20481] write(3, "1000", 4)         = 4
[pid 20481] close(3)                    = 0
[pid 20481] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20481] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20481] write(4, "78", 2)           = 2
[pid 20481] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20481] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20481] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20481] exit_group(0)               = ?
[pid 20481] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20481, 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 20482 attached
, child_tidptr=0x555555af35d0) = 20482
[pid 20482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20482] setpgid(0, 0)               = 0
[pid 20482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20482] write(3, "1000", 4)         = 4
[pid 20482] close(3)                    = 0
[pid 20482] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20482] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20482] write(4, "78", 2)           = 2
[pid 20482] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20482] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20482] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20482] exit_group(0)               = ?
[pid 20482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20482, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20483 attached
, child_tidptr=0x555555af35d0) = 20483
[pid 20483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20483] setpgid(0, 0)               = 0
[pid 20483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20483] write(3, "1000", 4)         = 4
[pid 20483] close(3)                    = 0
[pid 20483] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20483] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20483] write(4, "78", 2)           = 2
[pid 20483] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20483] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20483] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20483] exit_group(0)               = ?
[pid 20483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20483, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20484 attached
, child_tidptr=0x555555af35d0) = 20484
[pid 20484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20484] setpgid(0, 0)               = 0
[pid 20484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20484] write(3, "1000", 4)         = 4
[pid 20484] close(3)                    = 0
[pid 20484] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20484] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20484] write(4, "78", 2)           = 2
[pid 20484] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20484] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20484] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20484] exit_group(0)               = ?
[pid 20484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20484, 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 20485 attached
, child_tidptr=0x555555af35d0) = 20485
[pid 20485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20485] setpgid(0, 0)               = 0
[pid 20485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20485] write(3, "1000", 4)         = 4
[pid 20485] close(3)                    = 0
[pid 20485] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20485] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20485] write(4, "78", 2)           = 2
[pid 20485] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20485] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20485] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20485] exit_group(0)               = ?
[pid 20485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20485, 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=0x555555af35d0) = 20486
./strace-static-x86_64: Process 20486 attached
[pid 20486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20486] setpgid(0, 0)               = 0
[pid 20486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20486] write(3, "1000", 4)         = 4
[pid 20486] close(3)                    = 0
[pid 20486] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20486] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20486] write(4, "78", 2)           = 2
[pid 20486] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20486] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20486] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20486] exit_group(0)               = ?
[pid 20486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20486, 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 20487 attached
, child_tidptr=0x555555af35d0) = 20487
[pid 20487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20487] setpgid(0, 0)               = 0
[pid 20487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20487] write(3, "1000", 4)         = 4
[pid 20487] close(3)                    = 0
[pid 20487] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20487] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20487] write(4, "78", 2)           = 2
[pid 20487] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20487] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20487] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20487] exit_group(0)               = ?
[pid 20487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20487, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20488 attached
, child_tidptr=0x555555af35d0) = 20488
[pid 20488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20488] setpgid(0, 0)               = 0
[pid 20488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20488] write(3, "1000", 4)         = 4
[pid 20488] close(3)                    = 0
[pid 20488] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20488] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20488] write(4, "78", 2)           = 2
[pid 20488] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20488] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20488] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20488] exit_group(0)               = ?
[pid 20488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20488, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20489
./strace-static-x86_64: Process 20489 attached
[pid 20489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20489] setpgid(0, 0)               = 0
[pid 20489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20489] write(3, "1000", 4)         = 4
[pid 20489] close(3)                    = 0
[pid 20489] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20489] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20489] write(4, "78", 2)           = 2
[pid 20489] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20489] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20489] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20489] exit_group(0)               = ?
[pid 20489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20489, 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 20490 attached
, child_tidptr=0x555555af35d0) = 20490
[pid 20490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20490] setpgid(0, 0)               = 0
[pid 20490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20490] write(3, "1000", 4)         = 4
[pid 20490] close(3)                    = 0
[pid 20490] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20490] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20490] write(4, "78", 2)           = 2
[pid 20490] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20490] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20490] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20490] exit_group(0)               = ?
[pid 20490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20490, 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 20491 attached
, child_tidptr=0x555555af35d0) = 20491
[pid 20491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20491] setpgid(0, 0)               = 0
[pid 20491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20491] write(3, "1000", 4)         = 4
[pid 20491] close(3)                    = 0
[pid 20491] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20491] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20491] write(4, "78", 2)           = 2
[pid 20491] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20491] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20491] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20491] exit_group(0)               = ?
[pid 20491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20491, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20492
./strace-static-x86_64: Process 20492 attached
[pid 20492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20492] setpgid(0, 0)               = 0
[pid 20492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20492] write(3, "1000", 4)         = 4
[pid 20492] close(3)                    = 0
[pid 20492] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20492] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20492] write(4, "78", 2)           = 2
[pid 20492] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20492] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20492] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20492] exit_group(0)               = ?
[pid 20492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20492, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20493
./strace-static-x86_64: Process 20493 attached
[pid 20493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20493] setpgid(0, 0)               = 0
[pid 20493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20493] write(3, "1000", 4)         = 4
[pid 20493] close(3)                    = 0
[pid 20493] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20493] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20493] write(4, "78", 2)           = 2
[pid 20493] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20493] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20493] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20493] exit_group(0)               = ?
[pid 20493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20493, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555af35d0) = 20494
./strace-static-x86_64: Process 20494 attached
[pid 20494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20494] setpgid(0, 0)               = 0
[pid 20494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20494] write(3, "1000", 4)         = 4
[pid 20494] close(3)                    = 0
[pid 20494] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20494] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20494] write(4, "78", 2)           = 2
[pid 20494] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20494] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20494] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20494] exit_group(0)               = ?
[pid 20494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20494, 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 20495 attached
, child_tidptr=0x555555af35d0) = 20495
[pid 20495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20495] setpgid(0, 0)               = 0
[pid 20495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20495] write(3, "1000", 4)         = 4
[pid 20495] close(3)                    = 0
[pid 20495] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20495] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20495] write(4, "78", 2)           = 2
[pid 20495] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20495] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20495] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20495] exit_group(0)               = ?
[pid 20495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20495, 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 20496 attached
, child_tidptr=0x555555af35d0) = 20496
[pid 20496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20496] setpgid(0, 0)               = 0
[pid 20496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20496] write(3, "1000", 4)         = 4
[pid 20496] close(3)                    = 0
[pid 20496] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20496] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20496] write(4, "78", 2)           = 2
[pid 20496] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20496] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20496] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20496] exit_group(0)               = ?
[pid 20496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20496, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20497 attached
, child_tidptr=0x555555af35d0) = 20497
[pid 20497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20497] setpgid(0, 0)               = 0
[pid 20497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20497] write(3, "1000", 4)         = 4
[pid 20497] close(3)                    = 0
[pid 20497] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20497] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20497] write(4, "78", 2)           = 2
[pid 20497] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20497] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20497] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20497] exit_group(0)               = ?
[pid 20497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20497, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 20498 attached
, child_tidptr=0x555555af35d0) = 20498
[pid 20498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 20498] setpgid(0, 0)               = 0
[pid 20498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 20498] write(3, "1000", 4)         = 4
[pid 20498] close(3)                    = 0
[pid 20498] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 3
[pid 20498] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 20498] write(4, "78", 2)           = 2
[pid 20498] ioctl(3, LOOP_CTL_ADD, 12)  = -1 ENOMEM (Cannot allocate memory)
[pid 20498] openat(AT_FDCWD, "/dev/loop-control", O_RDONLY) = 5
[pid 20498] ioctl(5, LOOP_CTL_REMOVE, 12) = -1 ENODEV (No such device)
[pid 20498] exit_group(0)               = ?
[pid 20498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20498, 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 20499 attached
, child_tidptr=0x555555af35d0) = 20499
[pid 20499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0